CONG HOA XA- HQI CHU NGHiA VIET NAM DOc 14p - Ttr do - Hanh pink

U6ng Bi, ngay 18 thong 01 ?fan? 2019

(11/ BAN NHAN DAN THANH PHO UONG BI

S6: 145/UBND-DVKTNN

PHVONG AN Bao ve thkrc vat vu Xuan 2019

De chit dOng phang ch6ng sau, be;nh, boo ye an toan cho san xuat vu Xuan nam 2019, UBND thanh ph6 Uong Bi xay dkmg Phtrcrng an boo ve thkrc vat (PABVTV) vu Xuan nam 2019 veri nhang n6i dung chit y&I sau day:

I. TINH HiNH THOI TIET VA CAY TRONG

I. Tinh hinh theei tiet

Theo Trung tam dir boo khi tugng flu:1y van, hi'n tugng ENSO c6 xu huang ti6p tkic tang nhanh. Theo do, tang thai El Nino dugc du boo duy tri trong cac thong cuoi nam 2018 va nira dau nam 2019 voi xac suat khoang 70-80%. Nh* d6 thong 1 va thong 2 nam 2019 6 mirc cao hcm TBNN ding thgi kS7 khoang 0,5°C; thong 3 va thong 4 c6 kha nang cao ban TBNN khoang 1°C. Thai gian xuat hien ret dam, ret hai co kha nang Wang &rang so vgi trung binh, co the xuat hien cac dcrt ret dam, ret hai keo dai tir 4 - 7 ngay tap trung trong thong 1 va nth dau thong 2/2019. T6ng lugng aura tix thong 1 d6n thong 4/2019 thap han TBNN tir 10-25%. Cac hien Wang thai tiet nguy hiem nhu: hien tugng d6ng 16c, mua da, mtra lgn cvc b6 c6 the xay ra.

2. Ve coy trong

- Vu Xuan: Theo ke hoach dien tich gieo trong toan toan thanh ph6 1.404 ha. Trong do lua xuan 800 ha; ngo: 135 ha; lac: 73 ha, khoai lang: 50 ha, cay trong khac 346 ha,...

- Co cau giong, cay trong va thai

+ Tra xuan serm: B6 tri cac giong dai ngay (Xi23, Xi 21...) teen chan dat trung de ngap,ung, gieo ma dugc tir 05 - 10/12/2018, cay khi ma dugc 5 - 6 la (28 - 30 ngay); cay song truck ngay 25/01/2019;

+ Tra xuan muon: B6 tri teen chan dat van thap, van va van cao, chit dOng nugc. Cac giong lua thuan: Khang dan, Huang s therm so 1, RVT, Nep DT52,...; cac giong lai: Nhi tru 838, B6i Tap 49, Boi tap San thanh, Thien tru 8... gieo ma san hoac ma tren nen dat cimg tir 01 - 10/2, cay khi tuoi ma dugc 20 -25 ngay. Doi vai lua gieo thang gieo di 10 - 15/2, cham nhat 5/3;

+ Cac cay rau, mau 136 tri ten chan dat cao, it nugc nhu: Lac (L14, L18, Sen lai,...) gieo tir 15/2 - 05/03; NO xuan (LVN 10, LVN4, Bioseed 9698, NK6654, NK4300, MX10, MX4, MX6, HN88, HN 68,...) gieo tix 05 - 25/02,

Cac gi6ng khoai lang, khoai toy (1-11-12, HH7, Thuang tin, Diamant, KT2, Atlantic...),trong tir 20/09/2018 - 10/1/2019. Bi, dua: gieo tir 25/1 - 05/3. Rau, dAu, hoa tong nhieu trA.

II. MIX TIEU

1. Dam bao an Wan sau, benh cho san xuAt vu Xuan. TS, le thiet hai do sau, benh gay ra tren cay lua < 3%; tren cay rau, mau va cac cay tong khac < 5 %. Khong de sau, benh lay lan ra dien r6ng, thanh dich;

2. Clang c6 va nang cao nghiep vu BVTV cho can b6 phu trach !long nghiep, can b6 khuyen nong a xa, phuang va nguai nong dan;

3. Giam thi'L sir dung thu6c,BVTV, nang cao chAt luang 'long san, tang hieu qua kinh to cho nguai san xuat. Dam bao an toan ve sinh thkrc pham cho nong san pham khi dua ra thi truang.

III. DIY BAO TiNH HINH SAU BENH HAI VU XUAN 2019

Tren co so thai ti6t, cay trong va ngu6n sau, benh trong vu miia 2018, du bao tinh hinh sau, benh hai trong vu xuan 2019, cu the nhu sau:

- Tren cay Cac doi Wang sau, benh chinh gay hai Om: Ray nau - ray lung trong, sau duc than, sau cuon la, chu6t, benh lun s9c den, benh kilo van, benh dao on, benh bac la - d6m scc vi khuAn;

Ngoai ra, can chi' 3'/: B9 tri, d6i duc non, 6c bum yang, benh nghet re hai a dAu vu, giai doan hoi xanh - de nhanh; b9 xit doi, nhen gie, benh den lep hat hai cuoi vu, giai doan don - tro - chin sap.

- Tren cay ngo: Cac d6i stuvng sau, benh chinh g6m: Sau xam, sau an la, benh huyet du hai giai doan dau vu; sau duc than, rep car, benh kilo van, benh (tom la, benh Ilan s9c den hai manh giai doan ngo tir 7 la den cuoi vu.

- Tren cay Wong, lac: Sau khoang, gioi duc ng9n, rep, sau duc qua hai &Au tuang; sau khoang, ray xanh la ma, benh chet eo cay con, benh dom la hai lac.

- Tren cay rau: Sau khoang, sau toy, sau xanh btram trong, bo nhay, rep hai rau thAp tkr; benh than thu, phan trong, strong mai, moc hai cac cay rau an la va rau an qua khac.

Chu6ts hai cac cay trong trong vu xuan, nhAt IA nhang dien tich ven lang, doi go, ao ho, be( cao,...giai doan cay con, cay ra hoa - dAu qua, bap ngo non - chac hat, lila de nhanh - lam dong - chin.

Mirc d6 va quy mo gay hai claa mot so loai sau, benh chinh trong vu xuan có kha nang cao han so \fed nom 2018.

1. Dien bin mot sod tuvng h4i chinh tren cay lua N/A bien Oaf) phong trir

(I). Rig nau - rig lung trong

Du kin trong vu xuan 2019 ray se phat sinh 4 lira trong do lira 2 va lira 3 la nhung lira gay hai quan trong:

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- Lira 1: Ray cam ra r6 khoang dau thang 3, gay hai dien hep tren lila xuan sam giai doan de nhanh - cuoi de nhanh, mat d6 PB 100 - 150 con/m2, cao 500 -1.000 con/m2;

- Lira 2: Ray cam ra r6 khoang trung tuan thang 4, gay hai dien r6ng ten tra xuan aim giai doan lam gong - tro va tren tra xuan muon giai doan de nhanh r6 - dimg cai - gong, mat d6 ray PB 300 - 500 con/m2, cao 1.500 - 2.000 con/m2, cue b6 >3.000 con/m2;

- Lira 3: Ray cam ra r6 khoang dau thang 5, gay hai dien r6ng tren lila xuan sam giai doan tro - chac xanh - chin, tren lila mua muon giai clop lam gong - tr6 - chac xanh, mat d6 PB 500 - 1.000 con/m2, cao 2.000 - 3.000 con/m2, cvc b6 >5.000 con/m2. Day la giai doan lila Bang triS -, chin rat man cam voi tic d6ng gay hai cua ray, neu khong to chirc phong trir tot se gay chay ray teen dien Ong, lam anh twang nghiem trong den nang suit, san *mg lila;

- Lira 4: Ray cam ra r6 to dau thing 6, gay hai teen lila mua muon tai cac huyen thi mien Hong giai clop chin - thu hoach va ten ma mila,

Mirc d6 va quy mo gay hai dm ray nau - RLT c6 the twang duang va cao han TBNN va vu xuan 2018.

* BO; p/zap phbng trir: De hp the tic hai do ray gay ra can dp dung mot so bin phap phong trir sau:

- 9 sinh d6ng ru6ng: Cay viii g6c ra, ngam tarot;

- Luan canh voi cay tr6ng khac (trir ng6);

- Theo dOi diet' bien ray trubmg thanh bang he th6ng bay den; - Sir dking gi6ng khang ray, can gieo cay tap trung, dimg lich thed vv; - Cay mat d6 hop 1S/, bon phan can d6i, tranh bon qua nhieu dam; - Thuong xuyen tham d6ng, thu mau ray girl di giam dinh, virus lim soc

den phuang Nam, dac Net chu )% tai nhimg diem thuOng c6 cac 6 ray a nhang vg tru6c;

- Khi mat d6 ray tren d6ng rung tir, 1.500 con/m2 troy len can tien hanh phun trir bang thuoc bao ve thgc vat, neu ket qua giam dinh mau ray lung trung &rang tinh vii virus lUn SQC den,phirang Nam can tien hanh khoanh vimg phun trir ray xung quanh nai thu mau ray Ice ca khi mat d6 ray thap:

+ Thai kSt de nhanh - truac troc bong Ichuy& cao six dung cac 14 thuOc nhu: Actara 25WG, Anvado 100WP, Babsax 400WP, Goldra 250WG...

+ Thai 1(5/ ng'4rn sira - do duoi IchuyEn cao sir dung cac lo4i thuOc nhu: Bassa,50EC, Wavotox 585EC,...Chu yre" loi nho 3 - 4 hang lila phun dp phan goc de thu6c tiep xilc truc tiep voi ray.

Can phun thu'6c theo nguyen tic "4 dimg" va phun thu6c vao liic sang sam hoac chieu mat, sau khi phun trir neu gap trei mua phai tien hanh kiem tra, neu mat d6 con cao teen nguOng ph6ng trir can tien hanh phun lai.

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(2). Sari duc thiin

Dtr kien trong vu xuan 2019 sau dpc than se phat sinh 2 lira trong do lira 2 la lira gay hai quan trong:

- Lira 1: Thai gian truang thanh vu hoa ro khoang trung tuan thing 3, sau non no' gay hai teen tra lira xuan som giai doan cuoi de nhanh - lam dOng, tra lira xuan muon giai doan de nhanh rO - dimg cai, mat dO o trirng PB 0,2 - 0,5 6/m2, cao 1 - 2 6/m2, tS, le danh heo PB 1% - 2%, cao 7 - 10% (s6 danh);

- Lira 2: Thai gian truang thanh vu hoa rO khoang 20 thing 4 sang dau thing 5, sau non no gay hai tir cuoi thing 4 tro. di ten tra lira xuan som giai doan tro -chin, tra lira xuan muon giai doan lam gong - tro, day la giai 'Joan man cam dm cay

neu khong to chirc phong trir tot, sau se gay tS, le danh heo, bong bac cao len den 15 20%, cuc 1)0 >50% (s6 danh, s6 bong) lam anh twang nghiem trong den Wang suit, san luting

Mirc dO va quy m6 gay hai cua sau duc than co the wan throng va cao hon TBNN va vu xuan 2018.

* BiOt pluip phong trir:

- Ve sinh ding ruOng: Thu hoach can cat sat go'c ra, cay rat gac ra, ngam mac, d9n sach co, phat quang ba truck khi gieo cay,...

- Bien phap thu cong: Ngat o trung tieu huy, tach danh heo diet sau non; - Hoa clang bat trtrong thanh khi vu hoa rO,

- ThLran* xuyen theo dof mat dO 6trimg, mat Os sau ten d6ng ruOng. Tien hanh phun thuocphong trir khi mat dO , trung 0,5 6 tn:mg/m2 (giai dog' lira de nhanh) hoc 0,3 o trung/m2 (giai doan dong - tro); nhung nal co mat cao can tien hanh phun trir 2 lan, Ian 2 cach lan 1 tir 4 - 5 ngay.

DOi vii lira chuan bi tro bong can phun vao hai thai diem dat hieu qua cao nhat: + Thai kSi lira chuan bi tro bong (tnroc khi tro 3 - 4 ngay);

+ Khi lira tro bong di_rgc 5%.

Khuyen cao sir dicing mot so loaf thuOc sau de phun trir: Virtako 40WG, DuponTM prevathon® 35WG,...

(3). Situ cuan lcr nho

Dkr kien trong vu xuan 2019 se phat sinh 4 lira trong d6 lira 2 va lira 3 la hai lira gay hai quan trong:

- Lira 1: Thai gian truong thanh vu h6a khoang cuoi thing 2, vu h6a rO vao giira thing 3, sau non gay hai dien hep tren lira xuan sam giai doan de nhanh - cuoi de nhanh, mat dO PB 3 - 4 con/m2, cao 20 - 25 con/m2;

- Lira 2: Thai gian twang thanh vu hoa rO tir dau den giira thing 4, sau non gay hai dien rOng ten lira xuan sthn giai (loan dimg cal - &mg va tren tra xuan muon giai doan de nhanh rO - dimg cal. Dieu kien thai tiet thuan Igi, sau

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gay hai mat d6 cao 50 - 100 con/m2, cgc 13.6 >150 con/m2, neu khong to chirc phong trir tot se gay trang la anh huang den nang suat

- Lira 3: Thai gian truang thanh vu hoa ro khoang tir du den giCra thang 5, sau non gay hai tren lua xuan muon dang giai doan &mg - tro. Neu dial kien thai tiet thuan lgi, mat d6 gay hai se rat cao 80 - 100 con/m2, cvc b6 >200 con/al', neu khong to chirc phong trir tot se gay tang la anh hirang den nang suat

- Lira 4: Thai gian truang thanh vu boa r6 Ichoang du thang 6, sau non gay hai ten ma mica.

* Bien phtip phong frit: De phong trir sau cu6n la nho cAn phi h9p cac bien phap sau:

- Ve sinh &mg ru6ng, thu d9n tieu huy ram ra sau thu hoach, diet trir co dai, lau say quanh ba ru6ng, muang mang, ao ho nham tieu diet kS, chu phi va nai tru ngi qua dong cua sau;

- Theo dOi hoa dang,xac dinh thai gian birom r6, dieu tra mat d6 tru6ng thanh, mat d6 trimg teen &rig rung nham danh gia nguy ca gay hai cua timg lira sau tir do chu &Ong trong ding tac chi dap ph6ng trir sau non;

- Khi sau gay hai vai mat dO cao cAn sir dung thu6c bao ve thgc vat de phun trir, cu the:

+ Cay lira giai doan de nhanh: Phun trir khi mat do sau non (sau tu61 1-2) tir 50 con/m2 tra len.

+ Cay lua giai doan lam dong: Phun trir khi mat d6 sau non (sau tu6i 1-2) tir 20 con/m2 troy

Khuy'en cao sir dung mot s6 loai thu6c sau de phun trir: Regent 800WG, Reasgant 3.6EC, Sixtoc 700 EC, Bemab 20EC, Angun 5WG, Tasieu 5WG, Sacophos 550EC,... Khi sir dung thuoc can d9c ky huang dan tren bao bi va dam bao nguyen tac "4 dung".

(4). Benh kho vim Benh thuang phat sinh, phat tri'en va gay hai dien r6ng tren tat ca cac tra

lUa a giai clop cuoi de nhanh - chin (tir giCra thang 4 - giCra thang 6). Rung cay day, bon nhieu dam, bon khong can doi, bon dam mu6n benh thuang hai nang. Cac giong lua ngan ngay benh hai nang horn cac gi6ng lua dai ngay. Khi lua giai doan tro - chin gap mua nhieu, cay do, benh cang hai Ong. TS, le danh hai pho bien 10 - 15 %, nai cao 40 - 60%, 1am giarn nang suat lira clang ke neu khong phong trir kip thai.

* Bien pluip phong trir:

- Ve sinh &rig ruOns: Thu hoach cAn cat sat g6c ra, cay lat g6c ra, ngam nuoc,... de tieu diet hach nam;

- Gieo cay dung thai vv, dam bao mat d6 h9p ly, bon phan can d6i tranh bon thira darn, c6 the ph8i h9p them kali hoc tro bep de tang cueing tinh chong chiu cua cay;

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- Tien hanh phun trir bang cac lodi thuoc hoa hoc khi tS/ le benh tir 20% s6 danh tro len, chu y phun tiep )(ix voi tang ld dual dm cay ket h9p voi rut bat mrac tren Tong ru6ng, de mirc ntrac 2 - 3cm;

Khuy6n cao sir dung mot s6 loci thu6c sau Te phun trin Validacin 3SL/5SL, Anvil 5SC, A-V-T Vil 5SC,...

(5). Beni: dtjo on

- Benh Tao on la: Du kin benh xudt hien va gay hai tir ddu thong 3 d6n cuoi thong 5, cao diem cay hai tir giira thong 3 den giira thong 5. Neu khong to chirc phong trir tot se anh huemg rat lam den nang suat

- Benh dao On c6 bong: Du kin xudt hien va gay hdi tir cuoi thong 4 d6n giira thong 6, gay hdi tap trung tix dau den cuoi thong 5.

* Bien phap phong trir:

- D9n sdch tan du ram, ra va cay c6 dai o tren d6ng ru6ng;

- Lam tot cong tac digu tra theo dOi va phan ton

cac digu kin lien quan den six phat sinh, phat trien cua benh nhu: VI tri ton tai cua nguon benh, dign bien yeu to khi hau thai tiet, dat dai, phan bon, giong lua,...

- Bon phan can d6i, hap 13", dung giai dodn, khong bon thira phan dam,... - Tang cuang sir dung gi6ng chang chin benh, xir ly hat gi6ng truac khi

ngam

- Khi phat hien '6' benh tren &Ong rung ngirng b6n dam, ngirng phun thuac kich thich sinh truang, phan bon Id va phun trir benh bAng mot , loci thu6c sau: Filia 525 SE, Fuji One 40WP, Funhat 40WP,...

(6). Benh Ian soc den

Du,kie'n benh se xudt ,hien va gay hai ddu vu, cao digm gay hai ddu thong 4 den giira thong 5. Neu khong chirc ph6ng trir tot anh fluting rat lan den nang suat c6 the mat tang.

*Bien phap phong trir:

Thuc hien theo Huang clan s6 606/HD-TT&BVTV ngay 26/12/2017: Huang dan phong cheing benh tun soc den hai lUa vu xuan 2018 va Huang an so 313/HD-TT&BVTV ngay 22/6/2018: Huang dan ,k5"/ thuat phong ch6ng benh lim soc den hai vu nom 2018 dm Chi cuc Trong trot va Bao ve thuc vat.

Thgc hien theo ding van s6:1557/UBND-KT ngay 10 thong 8 nom 2018 cua UBND thanh pho Uong Bi ve viec trien khai phong ch6ng ray lung trang, benh tun soc den hai lua vu mua 2018 cua UBND thanh ph6 Uong Bi.

(7). Benh btrc hi, dam soc vi khuein

Benh c6 kha nang phat sinh gay hdi tix gitta thong 4 d'L ddu thdng 6, dac biet phat sinh gay hai nang tren cac rung lua cay day, bon phan khOng can doi va sau cac tan mua giong.

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* Bien phap phbng trio:

- Ve ,sinh dtmg rueng, thu den tan du la benh, co dAi la 14 chi' phy cua benh tren Tong rueng;

- Sir dung cac gii;ng lila c6 kha nang khang benh cao;

- Bon phan can d6i, dung giai doAn, khong bOn dAm muOn va keo dai;

- Dieu chinh mirc nu& thich hap, nen de mirc ntrac nong (3-5cm), nhAt la sau khi lila de nhanh, neu thay benh chum xuat hien thi c6 the rut ntrac, thao ntr6c,de rung trong 2-3 ngay,,dirng b6n cac loci phan hoa hoc, phan b6n la - thuoc kich thich sinh truong va tien hanh phun thuoc h6a h9c nham hAn the sir phat sinh phat trier' cua benh;

Khuyen cao sir dung met so loai thuoc sau de phun trir: Kasagen 250WP, Lilacter 0,3SL, Kasumin 2 SL, Kamsu 2SL,....

Ngoai ra, chu y phong Chuet, b9 tr7, tSc bum yang, benh,nghet re hAi du vu; nhen gie, benh den lep hat, b9 xit dai hAi giai down lua triS den chac xanh.

2. MOt so dOi tuvng gay 1* teen cay ngo va bien phap phong trir

(1). Sau dye than, dye bfip ngb

Gay hAi mAnh tir giai doAri ngo 5 la den khi thu hooch. De phong trir sau duc than, duc bap ngo can dp dung cac bien phap sau:

- Xac dinh thai vu gieo trong chinh, tap trung, dang thai vu, bt) tri luan canh cac loci cay trong met cach h9p1;

- V'e sinh deng rung sau khi thu hooch, dac biet xir 1/ than ngo, c6 the phai that kho, lam thirc an gia suc;

- Chengiong ng6 than to khoe, nang suat cao, ch9n nhang giOng c6 kha nang it bi nhiem sau duc than nhtr cac giong ngO lai LVN-10; DK 888,...

- Kiem tra rung ngo thtreng xuyen de Oat hien sam va phun thuoc kip thai diet sau non mai,no con dang sinh song va can pha tren IA chtra kip duc vao ben trong than cay bang met trong cac loci thuoc nhu: Virtako 40WG, Regent 800WG, Wavotox 585EC,...

(2). Sau xam

Sau xam la loai sau da thyc gay hAi chit yeti vao giai don cay con. De hAn che tac hAi cua sau, can dp dung met so bien phap sau:

- Ve sinh co dai trong rueng,va xung quanh be. Cay bira, rueng, phai dat de diet sau, nheng truck khi xueng giong,

- Luan canh vai cay trong milk;

- Bien phap thu cong: Co the dUng den soi bat sau bAng tay vao ban dem hoac sang sam khi sau chtra kip chui xuong at;

- Khuyen cao sir dung met se loAi thuOc trir sau dAng hAt nhtr: Vibasu 10BR; Regent 0,3GR;... rai xueng hang hoac hoc. Hoac sir dung met trong cac

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loai thu6c diet sau nhu: Shepatin 18EC/36EC; Faifos 5GR; Wamtox 100EC,... nen phun vao buoi chieu mat.

(3). Rep hyi ngo

, Rep hut nhva tren non ngo, be la, bong ca, la bi, lam cho cay ngo mat het dinh &rang, troy nen gay yeu, bap be di, chat luong hat xau kern. NO bi hai 16c con non c6 the khong ra,bap &roc. Ngoai gay hai truc tiep rep ngo con dtroc coi la mot loai moi gieri truyen mot so benh virus cho cay ngo nhtr benh Icham la.

* Ctic bien phap phong trir:

- Ve sinh &mg ruOng: Truck khi gieo trong can lam sach co trong rung va xung quanh lo& de tranh rep tir cac ky chtl dai lan sang phi hai ngo;

- Tr'ong day vira phai va tia dinh cay serm;

- Thtrong xuyen kiem tra dOng rung de kip thai phat hien tinh hinh phat sinh, phat trien dm rep va cac loai thien dich c6 ich de c6 che do phun thuoc phong trir thich hop nham bao ve mat dO thien dich da rep tren &Ong ruOng;

Khi thy mat dO rep cao, kha nang gay hai lern, c6 the dUng mot trong cac loai thuoc trir sau nhu: Trebon 10EC, Actara 25WG,...

(4). Benh kith win hyi nee

Trong vu xuan benh gay hai mph tir cu6i thang 4 tra di. De phong trir benh c6 hieu qua can dp dung cac bien phap sau:

- Ch9n trong nhirng giOng ngo it nhiem benh hoac c6 kha nang khang benh;

- Gieo dung thiYi vu vii mat dO trong vira phai khong qua day, tranh ung d9ng nuerc;

- Ve sinh d6'ng rung tieu huS, thu don tan du cay benh sau thu hoach, lam dat, ngam nuoy diet trir hach nam;

- Khi benh xuat hien c6 the phun thuOc: Validacin 5SL, Tilt super 300EC, A-V-T Vil 5SC...;

3. Wit so sau benh h4i tren cay rau, ca chua, khoai tay va bien phi') phong trir

(1). Snu to'

Trong vu xuan sau to gay hai mph tir thang 1 den dau thang 4. De phong trir sau for c6 hieu qua can alp dking mot trong cac bien phap sau:

- Bien phap sinh h9c: Sir dung thien dich cua sau to nhu nhom an mOi, nhom ong ky sinh, nh6m vi sinh vat gay benh, dung bay pheromone c6 hieu qua diet truerng thanh sau to.

- Bien phap canh tic: . + Thueng xuyen sinh dong ruOng, tia bo cac la gia, lam co;

+ Luan canh, cay khong ding 14 cho, dung bay dinh mau yang theo dOi boom sau to, tong xen vorf cay h9 ca se duoi dtrgc birerm cua sau to;

+ Do boom sau to thtrong khong bay cao, nen c6 the dung ltrOi cao 2 m bao xung quanh de hart che boom sau to tir ben ngoai bay vao rung cai de trirng;

Ap dung quy trinh IPM trong san xuat rau, khi mat d6 sau cao c6 the sir dung cac loci the phAm co ngu6n goc BT nhu Delfin WG (32BIU),... DUng cac thuoc sinh hoc, thu6c c6 nguon goc sinh h9c nhu: Catex 1.8EC/3.6EC, Pegasus 500 SC,... Ltru )", dimg luan phien cac loaf thu6c do sau to la loci c6 kha nang rat de quen hoc khang thuoc.

(2). B9 nhily soc cong

B9 ,nhay la loci sau hai tri dirt diem, 1ai phat tan nhanh., Neu khong phong chong kip thei anh htrong nghierns tr9ng den nang suat va chat luvng rau. De phong trir hieu qua b9 nhay tren rau can dp dung cac bien phap sau:

- Ap dung co cAu luan canh thich h9p vbf cay trong khac h9 thlap tit, dlac biet la giira cay bap cal vhf lua nuac;

- Tr6ng xen cay rau h9 hoa thap tkr vol cay khac h9 de tao he sinh thai da phat huy duvc tac dung cua thien dich;

-, Giai doan cay con can cham soc tot cho cay phat trien nhanh tranh sit xung yeti keo dai;

- Ve sinh dos ng ruling: Diet trir cac cay dai h9 thap tkr song trong rung rau. Ngay sau khi thu hoach can cuoc dat phial ru6ng, thu don cac tan du dem ye

phan hoc chon de diet sau non va nh6ng con ton tai. Khi mat d6 b9 nhay cao c6 the dung mot so loci think sau: Tasieu 5WG, Aremec 18EC, DupontTM Prevathon 35WG,... phun theo chi an ghi ten bao bi.

(3). San khoang

Sau khoang la d6i tuvng kho phOng trir do chUng c6 nhieu cay 14 chit nen thtrong xuyen xuat hien ten &rig rung va rat de khang thuoc hoa h9c.

De phong trir sau khoang hieu qua can dp dung cac bin phap sau:

- Ve sinh dmg rung trtrerc va sau khi trong, cay ai phoi dat hoc hoc cho rung ngap nu& 2 - 3 ngay de diet nh6ng, sau non c6 trong dat;

- Thtrerng xuyen tham rung de kip theri Oat hien sau, ngat boo trimg hoc tieu diet sau non mai khi chua phan tan di xa;

- Han the phun thu6c hoa h9c de bao ton cac loci thien dich thtrong xuat hien tren rung nhu nhen, b9 rua, ong ki sinh,...

- Dung bay pheromone hoc bay chua ng9t bay diet trirong thanh co hieu qua;

- Sir dung luan, phien mot s6 thu6c bao ve thirc vat phun trir sau khoang khi can thiet. Dung cac loai thuoc it d6c nhu: Aremec 18EC,

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Reasgant 1.8EC, Wamtox 100EC, Bemab 20EC,... cac loaf the pham vi sinh: thutic c6 ngu6n g6c tir Bt nhu V-BT; Delfin WG (32BIU),...

(4). Benh (gm vbng su hew, bap cal

Benh do nam gay ra, nam ton tai tren tan du la benh va tren hat gieing o clang sqi nam va bao tir phan sinh. Benh gay hai tir giai doan cay con den khi thu hoach va trong qua trinh bao quan. Benh xam nhap vao cay nhey cac vet thucmg do mua, gio, vet con trong can hoac do qua trinh cham soc cua con nguai tao ra.

* Bretz phap phang tra7

- Sau khi thu hoach, can thu gom va dua het nhang tan du ciia cay cai ra khoi rung tieu huy de,giam bat nguon benh lay truyen cho vu sau. Truck khi gieo trong can cay rat dat de eh& voi nguon benh vao sau trong dat;

- Phai len 1u6ng cao, trong rung phai c6 he th6ng thoat nuac tot de kip thai thoat nuac khi c6 mua, han the am trot trong ru6ng;

- Truck khi gieo, ngam hat gi6ng vao nixot nong 54°C trong yang 20-25 phut; - Khong nen tong qua day, de rung thong thoang, giam bort do am trot

trong ru6ng;

- Phai b6n can cl6i giaa dam, lan va kali. T6t nhat la tang cueyng phan hixu co hoai muc, giam bat phan hoa hoc, tao cay chac khoe, tang cuang sirc chong da benh cho cay;

- Khi phat hien benh phun trir kip thai bang mot s6 thu6c: Score 250EC, Lilacter 0.3SL, Antracol 70WP, Khi phun can d9c kSi huong dan teen bao bi thuoc. Chu y, phai tuyet doi bao dam thai gian cach ly cua thuoc de Oa an toan cho nguai tieu dung.

(5). WI tltoi nhiin

Benh do vi khuan gay ra, benh phat trien, thuan loi trong dieu kien mua nhieu, rung thoat nu& kern va khi hau n6ng am, bOn phan qua nhieu khong diing ltac. Benh ton tai tren tan du cay,trong, trong dat. M6t so con trong hai rau co the mang vi, khuan hoac 4ay vet thuong tao kien cho benh phat , tri Benh c6 the gay hai tren dong rung va sau thu hoach.

* Bien pluip phang trir:

- Luan canh voi cay trong nuac, cay h9 hem than;

Ve sinh d6ng ru6ng, thu don tan du cay benh. Cay bira ky, phai ai dAt va len luong cao;

- Sir dung phan chu6ng hoai muc, bon phan can d6i, hap

Trong qua trinh chain soc can nh6 1)6 nhang cay bi benh, voi bOt vao cac goc da nho b6;

- Trong twang hop can thiet, benh lay Ian phat trien manh c6 the sir dung thu6c: Linacin 40SL, Kamsu 2SL/4SL, Kasumin 2SL,...

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(6). Benh heo xanh tren cay khoai tay

Benh heo xanh do vi khuan gay hai, lam cay heo d6t ng6t. Benh gay hai khoai tay a cdc giai doan sinh truong nhung nang nhat ld vao giai doan khoai tay hinh thanh cu. Thugng ban dau cay có bieu hien heo, sau do phuc hoi vao ban dem. Khi cay bi heo nhung van giix dugc mau xanh, benh có the lam chet ca cay hoac chet dan tixng nhanh, goc cay bi thoi nhun.

* Bien phap phbng trir:

- Luan canh vai cay trong nugc, cay ho hoa thdo;

Ve sinh d'Ong ruling, thu don tan du cay benh. Cay bira ky, phai di dAt va len luong cao;

- Sir dung phan chu6ng hoai muc, bon phan can d6i, hop 13',; - Kiem tra ruling thugng xuyen, khi rung bi benh:

+ Tuyet d6i kh6ng khong dua nook vao cdc ruling khoai tay dang bi benh heo xanh gay hai;

+ Nho 1)6, thu gom cdc cay khoai tay bi benh heo xanh dem tieu huy, d6ng th6i rac voi b6t vao cdc g6c da nh6 b6;

+ Sir dung thu6c hoa h9c de phong, nit benh heo xanh lay lan gay hai ten cay khoai tay, cu the: Sr dung 0,45 lit thuoc Valithaco 3SC + 01 kg ,thuoc Diazan lOGR (hoac 01 kg Basudin 10H thuoc) pha voi 200 lit nuac wen goc cho 1 sao (360m2). Sau do pha 20 gam thuoc Vicilin 32WP voi 16 - 20 lit nuac, phun cho 1 sao (360m2) va tien hanh phun nhac lai ran 2 sau 2-3 ngdy.

(7). Benh strong mai tren cay khoai tay, ca chua

Benh do nam gay ra, benh có the ,gay hai nhieu b6 phan cay, tir than, canh, cho den hoa, qua, la benh rat 016 Nen ten cay ca chua, khoai tay dac biet la khi trgi lanh, dem va sang km có nhieu suang mu, hoac cc') mua nho, ban ngdy trgi am u, it nang. Benh gay hai nang tir cu6i thdng 12 den het thang 2.

* Bien phdp phbng trir:

- Luan canh cay trong khdc nhu bap, mia...

- TrOng nhung gi6ng có khd nang ch6ng chiu vai benh;

- Khong nen trong qud day, a ruling thong thodng, gidm bat d6 am not trong ruling;

sinh d6ng ruling, thu don tan du cay benh. Cay bira k5%, phai di dat va len luong cao;

- Kiem tra rung ca chua, khoai tay thugng xuyen. Neu phdt hien ,benh cham phat sinh, th&i tiet thua'n lgi cho benh phdt trien co the dung mot s6 loaf thu6c sau: Kanras 72WP, Daconil 75 WP, Diboxylin 4SL, 8SL,...

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4. Sfiu benh 114i tren cay an qua va bien phap phong trir

(1). Teen cay Man vai

1.1. B9 xit nou

Bo xit la doi twang gay hai nguy hiem dof vai nhan, vai. Bo, xit gay hai mph thing 3 - thing 4 trong giai clop cay ra l'6c non, ra hoa IC& trai, bang cach chich hut nhua lam rung hoa va qua, anh huong rat lan den nang suit va chat luting dm qua.

* Bien pluip phong trir

- Ve sinh vuan, tia canh de cac hoa va dot non ra tap trung;

- Diet b9 xit truing thanh qua, dong (thing 12 va thing 1 bat b9 xit qua dong rung cay cho b9 xit rai xuong dat de bat hoac phun thuoc vao nhang nai b9 xit qua &Ong);

- Kiem tra thuang xuyen de ngat boo trimg, thu bat twang thanh dem d6t;

- Bien phap hoa h9c: Khi mat d6 b9 xit cao c6 the sir dung mot so lo4i thuoc sau de phun trir: Reasgant 1.8 EC, Tasieu 5WG,...

Ltru v Viec dung thuoc c6 hieu qua cao khi b9 xit a tu6i 1-2 do kha nang man cam vai thuO'c cao va di chuyen ch4m va phun dam bao thai gian cach ly.

1.2. Stitt duc cuang qua vai

Day la doi Wang gay h4i lam anh huang nghiem trong den nang suit, chat luting qua neu khOng dixac phong trix kip thai, diing cach. Mai vu qua c6 hai lira sau goi nhau t4o hai cao diem gay hai vao thing 4 - 6.

- fle d4t hieu qua trong phong trir sau duc cuOng qua, can tap trung phun* trir a pha truing thanh. Diing tay d4p vao canh la 2-3 cai, quan sat va dem so truing thanh/canh bay ra. Khi quan sat thay mat d6 truing thanh 1 ,- 2 con/canh (tren vai sam) va 2 - 3 con/canh (ten vai chinh vu) tien hanh phun thuoc phong trix.

- Thai diem phun thu6c phong trix: Dac biet luu y giai clop hinh thanh qua va giai clop qua bat dau do cuong. Tren vai sem, cac thai diem tir 10/3 - 15/3 va 20/4 - 25/4 . Teen vai chinh vu, cac thai diem 10/4 - 20/4 va 15/5 - 30/5 hang nam (truac thu ho4ch 15 - 20 ngay).

- Sir dung thuoc: Sir dung theo nguyen tic 4 dung. Sir dung luan phien cac loci thuoc va uu tien cac thuoc (lac hieu, thuoc chon 19c c6 tic &Ong tiep xiic, it d6c 114i va thai gian phan buy ngan. Cac thuoc,c6 thai gian phan buy dai, neu sir dung nen phun vao truac giai clop qua vai bat dau do cu6ng de dam bao thai gian cach ly.

- DUng mot trong cac loaf thu6c nhu: Padan 95SP, DuponTM Prepathon 35WG, Shepatin 36 EC, Limater 7.5EC,.... N1('ing d6 va lfeu *frig: dung theo huang dan cua tirng lc* thuOc ghi tren nhan thuoc.

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1.3. Benh than thu-

, Benh do nAm gay ra, c6 the hai tren la, hoa va 9ua non. Neu gap troi mua nhieu cac vet benh se thoi gay rung hoa va qua non, neu nang se lam choi non bi chet kho, benh nang chi:mg se gay hien tuning kho canh;

Benh phat tri6n mph trong di'eu kien th6i tiet am va am d6 cao dac Net khi c6 mua phiin vao khoang thang 3 - 4 gay ra hien tuvng ra hien tuning rung hoa va qua non.

* Bien phap phbng

- Ve sinh vu6n, loai bo canh la bi benh, thu gom dot nham han the nguOn benh lay lan; Cham soc va bon phan day du;

- Tia canh tao tan hang nam sau m•Si vu thu hoach lam cho tan cay thong thoang.

- Co the phun cac loai thuOc trir benh nhu: Lilacter 0.3SL, Score 250EC,...

1.4. Benh strowg mai

Benh do nArn gay hai tren ca la, hoa va qua. Khi bi hai hoa va qua c6 the bi rung, cuong hoa bi thoi, de pay. Benh gay hai tir th6i kSi ra hoa, d4u qua den khi thu hoach, nhung nguy hiern horn ca la thai kj/ ra hoa ket qua, c6 the gay rung hoa rung qua hang boat. Berth tiep tuc gay hai trong th6i kS, thu hoach gay kilo khan cho viec bao quan va van chuyen.

Tr6i am u, am do cao, mua phfin thuan lgi cho benh phat sinh va gay hai.

* Bien phtip pliang

- Ve sinh vu6n sau khi thu hoach (cat b6 cac canh, ch6i hoa bi benh nang khong c6 qua) dOng thoi phun phong nAm benh bang dung dich Boocdo 1%);

- Phun trir nguOn benh ltru ton tren mat dAt bang dung dich Sunphat dOng 0,2-0,3%;

phap boa h9c: Khi cay ra hoa ket qua tir sau thang 2 cho den khi qua chin, dial tra thuong xuyen, neu phat hien thay trieu chimg benh thisir dung mot so lc* thuoc: Score 250 EC, Antracol 70WP,... de phun, tuS, then ‘ diet' kien thoi tiet neu troi c6 mua hoc dem nhieu suong can phun tiep lan 2, cach lan 1 tir 7-10 ngay.

(2). Tren cay cam quit

2.1. Sau ye blur

Cac bien phap ph6ng trir sau ve bua hai tren cay cam quit:

- Tia canh, bon phan hop ly cho cay ra chOi tap trung de han the su pha hai lien tuc dia sau, thuan lgi cho viec phun thuoc phong trir;

7 Theo clOi cac dot ch6i xuAt hien r6 tren vuon, nhAt la cac dgt chOi xuan, dgt choi sau khi mua, sau khi bon phan va sau khi tuai nu6c;

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- Tie'n hanh phong trir sam khi do dai cua ch6i dat 1-2 cm hoac thay dac diem nhan biet gay hai cita sau ye bita. Sir dung cac loci thu6c sau: Catex 1.8EC/3.6EC, Reasgant 1.8EC/3.6EC,...

2.2. Benh Greening

PhOng trir benh Greening bang mot s6 bien phap sau:

- Khong sir dung cay giOng troi nOi, khong ro nguon goc; Khong nhan giong hoac trong mai bang gi6ng lay canh chiet va mat ghep tir cac cay da bi benh hay khong biet cay c6 bi benh hay khong;

- Trong mai bang giong cay sach‘benh ,san xuat qua vi ghep Binh sinh truing va phai dugc chirng nhan nguon goc, xuat xir;

- Thu-Ong xuyen tham vuern va d6n tia nhang cay, canh bi yang la nghi la nhijm benh yang la greening;

- TiSn hanh phang trir moi giai truyen benh Greening do ray ch6ng canh Diaphorina Citri gay len bang mot trong cac loaf thuoc trir ray nhu: Actara 25WG, Goldra 250WG, dAu khoang,... vao cac dot ra la non dm cay;

Ngoai ra can theo doi din biSn cac loci sinh vat hai khac nhu sau xanh beam phugng, ngai chich hilt, rep muOi, ruoi dvc qua, nhen dO, benh boa, benh ghe, benh th6i xanh,...de c6 bien phap pilot-1g trir hieu qua.

5. Sau 4nh h4i tren cay lam nghi4 va bien phap phimg trir

(1). SOu ronz hai thong

Tai Uong Bi, mot nam sau rom hai thong thuang phat sinh 4 the he, trong vu xuan xuat hien 2 the he:

- ThS he I (Lira 1): Phat sinh tir cu6i thang 2 d6n dAu thang 5, sau non gay hai manh trong thang 4;

- ThS he II (Lira 2): Phat sinh tir dAu thang 5 de'n cu6i thang 7, sau non gay hai manh tix giira thang 5 den giira thang 6.

* Ctic bien phOp phang trir:

- Bat gist thit cong: ngat o trirng, nhOng;

- BAy den bat truing thanh;

- Khi mat dO sau non tir 70 con/cay tra Len, dimg khai thac nhua va sir dung thuoc bao ve thuc vat de ph6ng trir (thai diem phun trir c6 hieu qua nhat khi sau tu6i 1 - 3);

- Sir dung mot trong cac chS phAm sau: 3 kg chS phAm Bacillus thuringiensis + 15 kg bOt nhe phun cho 01 ha; 5 kg the pham Metarhizium (hoac 5 kg chS pham Bauveria) + 20 kg I* nhe phun cho 01 ha;

- Sir dung binh barn &Ong co dp luc cao n6i day voi dai phun rai deu ten tan la. De dua thuoc len cao va khOng bi tic can cam voi phun htrang theo 1 goc 45° so vii mat dat, di theo du6ng dung mirc xuoi theo huang gio,

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- Khi that can thi6t mai sir dung thuo'c hoa hoc de phun trir va phai dimg vao

, sau tuoi nho (1 - 2 - 3). Co the sir dung cac loci thuoc sau phun trir:

FM-Tox 50EC, Sacophos 550EC, Tasieu 5WG,...

(2). Sau do an hi keo thuk hp sau do Geometridae

Mot nam thuang phat sinh gay hai 2 lira chinh. Trong vu xuan phat sinh gay hai tir cuoi thing 2 den thing 6.

*Bien phap phbng trir:

- Bien phap,thit cong: Tien hanh cu6c quanh ,g6c keo bat va dietnh*Ong vao cuoi thing 1, dau thing 2 va thing 6 , dung bay den bat buom, yang dOc khi sau sau bo xuang dat de vao nh'Ong.

+ Bien phap sinh h9c: Sir dung mot trong cac the pham sau: 3 kg the pham Bacillus thuringiensis + , 15 kg b'Ot nhe phun cho 01 ha; 5 kg the pham Metarhizium (hoac 5 kg the pham Bauveria) + 20 kg bat nhe phun cho 01 ha.

+ Bien phap hod h9c (khi that can thi6t): Khi mat TO sau qua cao phai sir dung thuoc hod h9c de diet sau. Sir dung snot so thuoc nhu: Peran 50EC, Actamec 40EC,...nong dO, lieu luting theo htrang din tren bao bi, phun 500-600 lit ntroc thuoc da pha cho 01 ha.

Sir dung binh barn dOng co dp Ikrc ,caos nai ,day voi dai phun rai tren tan Id. De dua thuoc len cao va khong bi tic can cam voi phun huang theo 1 goc 45° so vii mat dat, di theo duang (long mirc xuai theo huang gio.

Ngoai ra, can chit j, d&I cac doi twang nhu: Chau chat' tre lung yang, sau an la hai cay mam, mot duc than hai keo, có bien phap phong trir kip thai.

6. MOt so sau, benh h4i tren cay trong khac

(1). Tren do twang: Gioi duc la, citric ng9n, besnh Ion c6 re' hai mph giai (loan cay con; sau khoang, sau cuon la, rep, be'nh strong mai, gi sat, sau duc qua...gay hai mph giai (loan phat trien than la - ra hoa dau qua.

(2). Tren Sau khoang, sau cu6n la, ray xanh la ma, berth dam Ia, be'nh heo hai manh a tat ca cac giai clop sinh truing phat trien cua cay lac.

(3). Tren dtra chuat, durx Mu, bdu bi: Chit y giai duc Id, rep, sau an la, be'nh strong mai, bath gia strong mai, be:nh than thu, benh phan tan' g, be:nh heo hai.

(4). Tren ca chua, khoai tay, at: Sau ve bua, sau duc qua, sau khoang, Nnh than thtr, be'nh mac strong, benh phan trang,... gay hai.

(5). Coy lam san ngoai g3 (Ba kich, Tra hoa vang,...): Chit y besnh than thu, dam la, thoi

IV. TO CHU'C THVC HICN

1. Phong kinh to

Phong kinh te, ph6i hop vii Trung Tam Dich vulq thuat nong nghie:p chit clOng tham muu UBND thanh phi thanh lap ban chi dao phong chat-1g dich, xay

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dung phuong an BVTV tai dia plurcmg timg loaf cay trong chu luc cua tirng vUng san xuat tap trung; &rig thai du toan kinh phi hO trq phong chong dich hai cho tirng loci cay trong. Tang cuang kiem tra chat lugng, *id thuoc cua cac ,dai thuoc BVTV hart che buon ban thuoc kern pham chat, thuoc gia, thuoc ngoai danh myc va viec lgi dung c6 dich de tang gia thuoc, xCr 1)% nghiem cac truang h9p vi pham.

2. Trung Tam Dich vu kji thu4t !long nghi0

Phi hgp phong Kinh te, UBND cac phtrang, xa thuc hien tot cong tac dieu tra dinh kjt 7 ngay 1 lan, theo dOi, giam sat va phat hien kcal cac doi tugng sau, benh hai tren dong ru6ng. Du tinh, du bao chinh xac ve thai gian phat sinh, dien bien mat d6, dien phan 1)6 va mire d6 gay hai cua chUng, de xuat cac bien phap to chirc chi dao phong trir kip thoi, hieu qua;

- T6 chirc dieu tra b6 sung truck cac Ot cao diem sau, benh hai xay ra; chti Ong tham muu UBND Thanh pho cac chu truong, bien phap phong, trir kip thai c6 hieu qua, bao ve an toan cho san xuat;

- bat &An nong dan thuc hien cac bien phap thu cong nhu: ng.rat trung

sau, bat sau non cac lc*, bat oc buou yang, chu6t,... nho cay bi benh va ve sinh along rung dem tieu hily;

- Tap huAn, huang dan 'long dan sir dung cac loci thu6c bao ve thuc vat sinh h9c, thao mac va thuoc it Oc hai dac hieu de phun trir khi mat d6 sau, tj, le benh gay hai den nguang phong trir. Sir dyng theo nguyen tac "4 dung". Dam bao thai gian cach ly khi thu hoach. Dam bao an toan cho moi tnrang, con nguoi va cay trong.

3. Trung tam truyen thong va van hem

- Phi hqp Trung tam dich vu kj, thuat nong nghiep va UBND cac xa, phtrang tang cuang thai lugng thong tin, tuyen truyen rang rai tren cac phuong tin thong tin dai, chi:mg nhu thong loa phat thanh, cong thong dien Ur, website thanh pho, Fanpage DDCI.. de nhan dan nam bat dugc dien bien dich hai ma de phong; ding nhu cac bien phap ky thuat phong nix giam thieu thiet hai cua dich benh.

4. UBND cac Phuirng, xa

Chi dao can b6 phi trach nong lam nghiep, can b6 khuyen nong, htrang dan nong dan bo tri co cau giong, thai vu, cay tong theo dung lich thai vu cua Se Ming nghiep va PTNT; Huang dan co cau giong N/A lich thai vu cay trong vu Dong xuan 2018 — 2019 dm Trung tam Dich vu k-y thuat nong nghiep thanh pho. Tang cuang dp dyng cac tien b6 ky thuat, chuong trinh Quan 15, dich hai tong hgp (IPM), Qui trinh thuc hanh nong nghiep tot (VietGAP) trong san xuat rau rau, cay an qua,..." ngay tir dau vu de cay trong khoe, tang kha nang chOng schiu,sau, benh hai va cac diet' kien ngoai, canh bat thuan. Sau khi thu hoach lila can tien hanh O sinh ng ru6n triet de bang cay vui, bira nga, not c6 dieu kien dua nuuc vao ngam rung de cat cau trong chu chuyen nguOn thirc an va ngu6n sau benh tich hay chuyen vu.

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1,‘ A \ • \ - -

• •

inh Sach

Tren day la Phtrang an BVTV vu Dong Xuan nam 2018 — 2019 dm Thank rn ,pho Uong Bi, yeu cau UBND cac phir&ng, xa, cac dcm vi lien quan nhie tac trien khai thkrc hien

TM. UY BAN NHAN DAN - TT Thanh uy, TT.HDND (B/cao); KT. CHU TICH - Chu tich, cac PCT UBND TP (C/dao); - i CHU TICH - UBND cac phithng, xa (T/h); - Cac phOng, Ban lien quan (T/h); - Lau VP, TTDVKTNN.

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