Seed potato storage

Guhunika neza Imbuto y’ibirayi(Seed potato storage)

Jean Claude Nshimiyimana, Seed System Officer,

International Potato Center (CIP), Rwanda

Kadahenda, 29/04/2016

Guhunika neza imbuto y’ibirayi

Byifashe bite mu Rwanda? (current status in Rwanda)

3

Seed potato storage abandoned or transformed into the churches

Byifashe bite

4

Guhunika nabi (bad storage) - Ingaruka

Akamaro k’ibigega

(DLS – Diffused Light Store)

� Impamvu:

• Kubura imbuto nziza, ingaruka ku musaruro

• Ubwiza n’ubwinshi bw’imbuto birakenewe

� Imbuto ihunitswe neza:

• Iba ifite ubuzima bwiza,

• Imerera igihe n’imemere myinshi

� Ibigega byinjiza urumuri n’intambwe nziza yo

kugira imbuto nziza y’ibirayi

� Ikigega cyinjiza urumuri (DLS)

Ibigega byiza byo guhinikamo imbuto

DLS models developed by CIP/RAB

Uko bubaka ikigega cya DLS (DLS construction)

DLS: Akamaro k’ingenzi

• Ubwiza bw’imiterere

y’imbuto

• Imimere myiza kdi

ibyibushye

• Birinda gushurumbuka

kw’imimere

• Inyubako yoroheje kandi

idahenze

Seed from DLS Seed from dark

storage

Ibikwiye kwitabwaho mu kubaka ikigega cya

(DLS)

• Urumuri (light),

• Agatimba (aphid net )

• Etajeri mu kigega (shelves)

Exposure to d.light

(Hours per day)

Sprout length after

6 month storage (cm)

Reduction in sprout

growth (%)

0 23.2 0

0.5 10.3 55.6

1 8.2 64.7

2 7.6 67.2

4 6.3 72.8

6 5.3 77.1

8 4.3 81.5

12 2.8 87.9

Ingaruka z’urumuri rw’amanywa ku burebure bw’imimere y’ibirayi bihunitswe

(CIP 1984)

I. Urumuri (light)

Ibyitabwaho mu kubaka ikigega

cya DLS (To be considered)

Ibyitabwaho (cont’d)

II. Ama etajeri (shelves)

Ibyitabwaho (cont’d)

III. Agatimba (aphid net),

N’urukuta rukomeye rwo

kwirinda udukoko duturutse

hanze y’ikigega

Ikigega gifite agatimba hamwe n’akazu ko kumutwe gishobora

kurinda bikomeye udukoko dukurura indwara utiriwe ukoresha

imiti

Ubwiza bw’ikirayi kitarwaye buruta cyane

uko wakibona ari cyiza ku maso

Acknowledgements

We would like to acknowledge Humidtropics and the CGIAR Fund Donors

for their provision of core and project-specific funding without which this

research could not deliver results that eventually positively impact the lives

of millions of smallholder farmers in tropical Americas, Asia and Africa.

This presentation was made at a training workshop on Integrated Potato Crop

Management organized by International Potato Center (CIP) for Innovation

Platform (IP) members of Kadahenda, Rwanda.

Murakoze cyane!!

For more information, please contact/ Ukeneye ibindi

bisobanuro, wabaza Jean Claude Nshimiyimana:

Email: [email protected]; [email protected]

Phone: (+250) 788-500-053/ 788-639-417

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Science

Seed potato storage