209367742-LAPORAN-PRAKTIKUM-PENENTUAN-POTENSIAL-AIR-JARINGAN-TUMBUHAN.docx

7/25/2019 209367742-LAPORAN-PRAKTIKUM-PENENTUAN-POTENSIAL-AIR-JARINGAN-TUMBUHAN.docx

1/15

LAPORAN PRAKTIKUM

Penentuan Potensial Air Jaringan

Tumbuhan

Oleh:Nuril Choiriyah1! " #!$

Pen%i%i&an 'iologi '

JURUSAN BIOLOGI

FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM

UNIVERSITAS NEGERI SURABAYA

2013


2/15

BAB I

PENDAHULUAN

A. LATAR BELAKANG

Pernahah !"a #e#!!ran $a%a!#ana &aran'a ()ara )an a!r #a*( e )a+a#

"($(h "(#$(han, Se#(a *e+ "(#$(han )!e+!+!n%! -+eh *e+a.(" a"a( #e#$ran/ Me#$ran

*e+ "!)a )a.a" )!+a+(! -+eh *e#(a a"/ Me#$ran *e+ $er(n%*! *e.er"! "!ra! a*a )! en)e+a

r(#ah#( 'an% )a.a" )!+a+(! ()ara "e"a.! "!)a )a.a" )!+a+(! $en)a$en)a 'an% $e*ar

*e.er"! *eran%%a a"a( er!!+ $ahan n'a#(/ Ba%a!#ana a"a" "er"en"( )a.a" #e+a+(!

#e#$ran *e+, Se+*e+ "(#$(han )a.a" )!+e4a"! a!r5 a"a" #aanan 'an% "er+ar("5 -*!%en

)an ar$-n)!-*!)a $a! e )a+a# a"a( e +(ar *e+/Se+ "(#$(han #e#er+(an -*!%en )an ar$-n)!-*!)a5 *er"a $a%a!#ana a"a"

"er*e$(" $er%era #e+e4a"! #e#$ran *e+, Ba%!an$a%!an .en'(*(n a" )! a+a# !n! *e+a+(

)a+a# ea)aan $er%era/ Ba%!an$a%!an .en'(*(n a" 'an% ((rann'a *an%a" e&!+

)!*e$(" .ar"!e+/ Par"!e+ "er*e$(" #en'e$ar #era"a e *e%a+a arah/ 6a"a" $er%era )ar!

"e#.a" 'an% #e#.(n'a! -n*en"ra*! +e$!h "!n%%! e "e#.a" 'an% -n*en"ra*!n'a +e$!h

ren)ah/ Pr-*e* .er.!n)ahan a" *e.er"! "er*e$(" )!*e$(" )!(*!/ K-n*en"ra*! *(a"( a"

a)a+ah ((ran 'an% #en(n(an (#+ah *(a"( a" )a+a# 7-+(#e "er"en"(/ D!(*! .ar"!e+

a" !"( aan $erhen"! !a -n*en"ra*! a" )! e)(a "e#.a" "er*e$(" *()ah *a#a/

Pr-*e* -*#-*!* (%a "era)! .a)a *e+ h!)(. )! a+a#/ Per($ahan $en"( *e+ "era)!

!a "er)a.a" .a)a +ar("an 'an% $er$e)a/ Se+ 'an% "er+e"a .a)a +ar("an !*-"-n!5 #aa

7-+(#en'a aan -n*"an/ Da+a# ha+ !n!5 *e+ aan #en)a.a" )an eh!+an%an a!r 'an%

*a#a/ Ban'a he4anhe4an +a("5 *e.er"! $!n"an% +a(" 8E&h!n-)er#a"a9 )an e.!"!n%

8Ar"hr-.-)a9 &a!ran *e+n'a $er*!a" !*-"-n! )en%an +!n%(n%ann'a/ J!a *e+ "er)a.a" .a)a

+ar("an 'an% h!.-"-n!5 #aa *e+ "er*e$(" aan #en)a.a"an $an'a a!r5 *eh!n%%a $!*a

#en'e$a$an +!*!* 8.a)a *e+ he4an95 a"a( "(r%!)!"a* "!n%%! 8.a)a *e+ "(#$(han9/

Se$a+!n'a5 !a *e+ $era)a .a)a +ar("an h!.er"-n!5 #aa *e+ $an'a eh!+an%an #-+e(+

a!r5 *eh!n%%a *e+ #ena)! e&!+ )an )a.a" #en'e$a$an e#a"!an/ Pa)a he4an5 (n"( $!*a

$er"ahan )a+a# +!n%(n%an 'an% h!.- a"a( h!.er"-n!5 #aa )!.er+(an .en%a"(ran

e*e!#$an%an a!r5 'a!"( )a+a# .r-*e* -*#-re%(+a*!/

Pa)a .ra"!(# !n! !"a aan #e+a(an .en%a#a"an "erha)a. .-"en*!a+ !#!a a!r

(n"( #en%e"ah(! .er%eraan !#!a a!r )a+a# "(#$(han 'an% #en%a+a#! e+e$!han


3/15

a"a(.(n e(ran%an &a!ran/ K!"a aan #en%a#a"! .er%eraan a!r 'an% "era)! .a)a

en"an% )an +ar("an *(r-*a/ :aran'a 'a!"( )en%an #eren)a# .-"-n%an ar!n%an )a+a#

*(a"( *er! +ar("an 'an% )!e"ah(! -n*en"ra*!n'a/ Dar! *!n! !"a aan #en%e"ah(! a.aah

en"an% 'an% #e#!+!! P-"en*!a+ a!r "!n%%! a"a(.(n +ar("an *(*r-*a/ Na#(n )a+a#

.er&-$aan !n! !"a (%a har(* #e#.erha"!an a"-ra"-r 'an% )a.a" #en'e$a$an

.en'!#.an%an ha*!+ )ar! "e-r! 'an% a)a *e$e+(#n'a/ Ber)a*aran ha+ "er*e$("5 #aa

.ra"!(# F!*!-+-%! T(#$(han !n! )!+a*anaan/

B. RUMUSAN MASALAH

1/ Ba%a!#anaah .en%ar(h -n*en"ra*! +ar("an *(r-*a "erha)a. .er($ahan .anan%

.-"-n%an ar!n%an en"an%,

2/ Pa)a -n*en"ra*! +ar("an *(r-*a $era.aah 'an% )a.a" #en'e$a$an .er($ahan

.anan% !r!*an ar!n%an en"an%,3/ Bera.aah n!+a! .-"en*!a+ a!r ar!n%an en"an% "er*e$(",

C. TUJUAN

1/ Mene+a*an .en%ar(h -n*en"ra*! +ar("an *(r-*a .er($ahan .anan% .-"-n%an

ar!n%an en"an%/2/ Men%!)en"!!a*! -n*en"ra*! +ar("an *(r-*a 'an% #en'e$a$an .er($ahan .anan%

!r!*an ar!n%an en"an%/

3/ Men%h!"(n% n!+a! .-"en*!a+ a!r ar!n%an en"an%


4/15

BAB II

KAJIAN PUSTAKA

S!*"e# 'an% #en%%a#$aran "!n%ah +a( a!r )an .er%eraan a!r )a+a# "anah )an

"($(h "(#$(han )!)a*aran a"a* *(a"( h($(n%an ener%' .-"en*!a+/ A!r #e#.(n'a!

a.a*!"a* (n"( #e+a(an era5 'a!"( aan $er%era )ar! )aerah )en%an ener%'

.-"en*!a+ "!n%%! e )aerah )en%an ener%' .-"en*!a+ ren)ah/ Ener%' .-"en*!a+ )a+a# *!*"e#

&a!ran )!n'a"aan )en%an &ara #e#$an)!n%ann'a )en%an ener%' .-"en*!a+ a!r #(rn!/

Karena a!r )a+a# "(#$(han )an "anah $!a*an'a *e&ara !#!a "!)a #(rn!5 )!*e$a$an

-+eh a)an'a $ahan "er+ar(" )an *e&ara !*! )!$a"a*! -+eh $er$a%a! %a'a5 *e.er"! %a'a "ar!

#enar! 'an% $er+a4anan5 %ra7!"a*!5 )an "eanan5 #aa ener%' .-"en*!a+n'a +e$!h e&!+

)ar! .a)a ener%! .-"en*!a+ a!r #(rn! 8Gar)ner5 1;;19/

P-"en*!a+ !#!a a!r a"a( .-"en*!a+ a!r 8PA9 #er(.aan -n*e. 'an% *an%a" .en"!n%

)a+a# !*!-+-%! "(#$(han/ Ra+.h O/ S+a"'er 8A(*"ra+!a9 )an S"er+!n% A Ta'+-r 8U"ah S"a"e

Un!7er*!"'9 .a)a "ah(n 1;


5/15

)!"en"(an -+eh .-"en*!a+ !#!a a!r a"a( .-"en*!a+ a!r 5 'an% #en%%a#$aran e#a#.(an

#-+e(+ a!r (n"( )a.a" #e+a(an )!(*!/ Se(#+ah $e*ar 7-+(#e a!r aan #e#!+!!

e+e$!han ener%! $e$a* )ar!.a)a 7-+(#e 'an% *e)!!"5 )! $a4ah -n)!*! 'an% *a#a/

Ener%! $e$a* (a"( a" .er (n!" (#+ah5 "er("a#a .er $era" %ra# #-+e(+ 8ener%! $e$a*

#-+19 )!*e$(" .-"en*!a+ !#!a/ P-"en*!a+ !#!a a" "er+ar(" (ran% +e$!h *e$an)!n%

)en%an -n*en"ra*! a" "er+ar("n'a/ 6a" "er+ar(" 'an% $er)!(*! &en)er(n% (n"( $er%era

)ar! )aerah 'an% $er.-"en*! !#!a +e$!h "!n%%! #en(( )aerah 'an% $er.-"en*!a+ !#!a

+e$!h e&!+/

O*#-*!* a)a+ah )!(*! #e+a+(! #e#$ran *e#!.er#ea$e+/ Ma*(n'a +ar("an e

)a+a# *e+*e+ en)-)er#!* #er(.aan &-n"-h .r-*e* -*#-*!*/ Da+a# "($(h -r%an!*#e

#(+"!*e+(+er5 a!r $er%era )ar! *a"( *e+ e *e+ +a!nn'a )en%an +e+(a*a/ Se+a!n a!r5 #-+e(+

#-+e(+ 'an% $er((ran e&!+ *e.er"! O2)an :O2(%a #()ah #e+e4a"! #e#$ran *e+/

M-+e(+#-+e(+ "er*e$(" aan $er)!(*! )ar! )aerah )en%an -n*en"ra*! "!n%%! e

-n*en"ra*! ren)ah/ Pr-*e* O*#-*!* aan $erhen"! !a -n*en"ra*! a" )! e)(a *!*!

#e#$ran "er*e$(" "e+ah #en&a.a! e*e!#$an%an/

Da+a# .r-*e* -*#-*!* "er)a.a" "eanan -*#-*!* 'an% #er(.aan "eanan

h!)r-*"a"! 'an% "er)a.a" *(a"( +ar("an .a)a e*e!#$an%an -*#-*!*/ Teanan 'an%

)!$er!an .a)a *(a"( +ar("an aan #en!n%a"an ener%! $e$a*5 *eh!n%%a PA #en!n%a"

)an (%a #en!n%a"an e#a#.(an )!(*! )a+a# +ar("an/ Teanan 'an% )!$er!an a"a(

*er!n% )!*e$(" PT 'an% )!*e$(" (%a "eanan "(r%-r/ Dar! e"!%a .-"en*!a+ "er*e$(")a.a"

)!+!ha" a)an'a h($(n%an 'an% )a.a" )!"(+!*an r(#(* *e$a%a! $er!(" >

PA ? PO @ PT

Dar! r(#(* "er*e$(" "er+!ha"5 a.a$!+a "!)a a)a "eanan #aa r(#(*n'a #ena)! >

PA ? PO

Den%an > PA ? P-"en*!a+ a!r PO ? P-"en*!a+ -*#-"!&

PT ? P-"en*!a+ "eanan


6/15

BAB III

METODE PENELITIAN

A. JENIS PENELITIAN

Jenis (enelitian yang &ami guna&an a%alah e&s(erimen &arena mengguna&an

bebera(a )ariable yaitu )ariable &ontrol* )ariable mani(ulasi %an )ariable

res(on+ ,elain itu -uga mengguna&an (emban%ing %alam (enelitian/

B. VARIABEL PENELITIAN

a9 Var!a$e+ -n"r-+>

Jen!* (#$! *a#a5 'a!"( en"an%/

J(#+ah .-"-n%an *!+!n)er en"an% 'a!"( .-"-n%an/ Panan% a4a+ .-"-n%an en"an% 'a!"( 2 /

Per$e*aran #!r-*-. 10

Ca"( .eren)a#an .-"-n%an en"an% )a+a# +ar("an *(r-*a 'a!"( 15= a#/$9 Var!a$e+ #an!.(+a*!> -n*en"ra*! +ar("an *(r-*a/

&9 Var!a$e+ re*.-n*>

Panan% ah!r .-"-n%an en"an%/

Per"a#$ahan .anan% .-"-n%an en"an%/ Ra"ara"a .er"a#$ahan .anan% .-"-n%an en"an%/

N!+a! .-"en*!a+ -*#-*!*

N!+a! .-"en*!a+ a!r

C. ALAT DAN BAHAN

1/ Ken"an%

2/ Lar("an *(r-*a 0 M5 052 M5 05 M5 05< M5 05 M )an 1 M/3/ Ge+a* !#!a 100 #+ *e$an'a < $(ah/

/ Ge+a* ((r =0 #+ 1 $(ah/=/ A+a" .en%e$-r %a$(*/


7/15

Beera+ah )en%an &e.a" (n"( #en%(ran%! .en%(a.an5 )an "("(. ra.a" %e+a* !#!a

*e+a#a .er&-$aan )!+a(an// Men%a#a"! )an #en%((r.Se"e+ah 15= a#5 e#()!an *e"!a. .-"-n%an (#$! en"an%

"er*e$(" )an #en%((r e#$a+! .anan%n'a/

=/ Men%h!"(n% n!+a! ra"ara"a .er"a#$ahan .anan% (#$! en"an% (n"( *e"!a.-n*en"ra*! +ar("an *(r-*a/


8/15

BAB IV

HASIL DAN PEMBAHASAN

A. HASIL PENELITIAN

Ta$e+ .en%ar(h -n*en"ra*! +ar("an *(r-*a "erha)a..er"a#$ahan .anan% en"an%

K-n*en"ra*!

S(r-*a 8M9

Panan% A4a+

8

Panan% Ah!r

8

Per"a#$ahan

Panan% 8

Ra"ara"a

Per"a#$ahan

Panan% 8

0

2 252 052

0522 22 052

2 252 052

2 252 052

052

2 251 052

051=2 251 051

2 251 051

2 252 052

05

2 2 0

0512 252 052

2 251 051

2 251 051

05

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209367742-LAPORAN-PRAKTIKUM-PENENTUAN-POTENSIAL-AIR-JARINGAN-TUMBUHAN.docx