Pengaruh Tekanan Kekeringan terhadap Pertumbuhan dan Produksi Beberapa Varietas Kedelai pada Grumusol Lombok Tengah
PENGARUH TEKANAN KEKERINGAN TERHADAP PERTUMBUHAN
DAN PRODUKSI BEBERAPA VARIETAS KEDELAI
PADA GRUMUSOL LOMBOK TENGAH
(EFFECTS OF WATER STRESS ON THE GROWTH
AND PRODUCT I O N OF SOYBEAN VARIETIES
AT GRUMUSOL LOMBOK TENGAH)
Oleh
V. F. A r i s Budianto, Soleh Solahuddin,
J u s t i k a S. Baharsjah dan Fred Rumawas 2)
A b s t r a c t : The aim of t h e s t u d y was t o know t h e e f f e c t of water
stress measured by l e v e l s of a v a i l a b l e s o i l w a t e r c o n t e n t , soybean
v a r i e t y , and t h e i n f l u e n c e t o growth and production of s o y b e k .
Three soybean v a r i e t i e s w e r e used i n t h i s experiment i.e. Americana,
Galunggung, and Kepet. The l e v e l s of water content a s
treatment
were 75, 50, and 25 percent of a v a i l a b l e water. F a c t o r i a l with
completely randomized experimental d e s i g n was a p p l i e d . The experiment was conducted i n a p l a s t i c house.
Water s t r e s s decreased growth and production of soybean. Prod u c t i o n decreased 13 and 50 percent p e r p l a n t f o r Kepet w i t h 50 and
2 5 percent w a t e r s t r e s s a v a i l a b l e compared w i t h production with 75
percent w a t e r stress a v a i l a b l e . The d e c r e a s e w a s r e l a t i v e l y smaller
f o r Americana t h a n f o r Kepet and Galunggung i . e . 31 and 54 percent.
But on t h a t water stress Americana production (4.543 g p e r plant
and 3.016 g p e r p l a n t ) were h i g h e r t h a n Galunggung (2.914 g p e r
p l a n t and 1.917 g p e r p l a n t ) o r Kepet (3.123 g p e r p l a n t and 1.810 g
per plant).
Ringkasan: P e n e l i t i a n i n i b e r t u j u a n untuk mengetahui pengaruh t e kanan kekeringan (water s t r e s s ) yang dinyatakan pada t i n g k a t kadar
a i r tanah t e r s e d i a , v a r i e t a s dan i n t e r a k s i n y a terhadap pertumbuhan
dan produksi tanaman k e d e l a i . V a r i e t a s yang digunakan: Americana,
Galunggung, Kepet dan perlakuan t i n g k a t k a d a r a i r : 75, 50, 25 persen a i r t e r s e d i a . Percobaan f a k t o r i a l dengan rancangan acak lengkap
+
1)Sebagian t e s i s Magister S a i n s , FPS, IPB, tahun 1984
2)Yang pertama Staf Pengajar pada J u r u s a n Agronomi F a k u l t a s P e r t a n i a n U n i v e r s i t a s Mat a r m , yang kedua dan s e t e r u s n y a St af Pengaj a r
pada Jurusan Agronomi F a k u l t a s P e r t a n i a n I n s t i t u t P e r t a n i a n Bogor.
Bul. Agr. Vol. XIV No. 3
PENGARUH TEKANAN KEKERINGAN TERHADAP PERTUMBUHAN
DAN PRODUKSI BEBERAPA VARIETAS KEDELAI
PADA GRUMUSOL LOMBOK TENGAH
(EFFECTS OF WATER STRESS ON THE GROWTH
AND PRODUCT I O N OF SOYBEAN VARIETIES
AT GRUMUSOL LOMBOK TENGAH)
Oleh
V. F. A r i s Budianto, Soleh Solahuddin,
J u s t i k a S. Baharsjah dan Fred Rumawas 2)
A b s t r a c t : The aim of t h e s t u d y was t o know t h e e f f e c t of water
stress measured by l e v e l s of a v a i l a b l e s o i l w a t e r c o n t e n t , soybean
v a r i e t y , and t h e i n f l u e n c e t o growth and production of s o y b e k .
Three soybean v a r i e t i e s w e r e used i n t h i s experiment i.e. Americana,
Galunggung, and Kepet. The l e v e l s of water content a s
treatment
were 75, 50, and 25 percent of a v a i l a b l e water. F a c t o r i a l with
completely randomized experimental d e s i g n was a p p l i e d . The experiment was conducted i n a p l a s t i c house.
Water s t r e s s decreased growth and production of soybean. Prod u c t i o n decreased 13 and 50 percent p e r p l a n t f o r Kepet w i t h 50 and
2 5 percent w a t e r s t r e s s a v a i l a b l e compared w i t h production with 75
percent w a t e r stress a v a i l a b l e . The d e c r e a s e w a s r e l a t i v e l y smaller
f o r Americana t h a n f o r Kepet and Galunggung i . e . 31 and 54 percent.
But on t h a t water stress Americana production (4.543 g p e r plant
and 3.016 g p e r p l a n t ) were h i g h e r t h a n Galunggung (2.914 g p e r
p l a n t and 1.917 g p e r p l a n t ) o r Kepet (3.123 g p e r p l a n t and 1.810 g
per plant).
Ringkasan: P e n e l i t i a n i n i b e r t u j u a n untuk mengetahui pengaruh t e kanan kekeringan (water s t r e s s ) yang dinyatakan pada t i n g k a t kadar
a i r tanah t e r s e d i a , v a r i e t a s dan i n t e r a k s i n y a terhadap pertumbuhan
dan produksi tanaman k e d e l a i . V a r i e t a s yang digunakan: Americana,
Galunggung, Kepet dan perlakuan t i n g k a t k a d a r a i r : 75, 50, 25 persen a i r t e r s e d i a . Percobaan f a k t o r i a l dengan rancangan acak lengkap
+
1)Sebagian t e s i s Magister S a i n s , FPS, IPB, tahun 1984
2)Yang pertama Staf Pengajar pada J u r u s a n Agronomi F a k u l t a s P e r t a n i a n U n i v e r s i t a s Mat a r m , yang kedua dan s e t e r u s n y a St af Pengaj a r
pada Jurusan Agronomi F a k u l t a s P e r t a n i a n I n s t i t u t P e r t a n i a n Bogor.
Bul. Agr. Vol. XIV No. 3
DAN PRODUKSI BEBERAPA VARIETAS KEDELAI
PADA GRUMUSOL LOMBOK TENGAH
(EFFECTS OF WATER STRESS ON THE GROWTH
AND PRODUCT I O N OF SOYBEAN VARIETIES
AT GRUMUSOL LOMBOK TENGAH)
Oleh
V. F. A r i s Budianto, Soleh Solahuddin,
J u s t i k a S. Baharsjah dan Fred Rumawas 2)
A b s t r a c t : The aim of t h e s t u d y was t o know t h e e f f e c t of water
stress measured by l e v e l s of a v a i l a b l e s o i l w a t e r c o n t e n t , soybean
v a r i e t y , and t h e i n f l u e n c e t o growth and production of s o y b e k .
Three soybean v a r i e t i e s w e r e used i n t h i s experiment i.e. Americana,
Galunggung, and Kepet. The l e v e l s of water content a s
treatment
were 75, 50, and 25 percent of a v a i l a b l e water. F a c t o r i a l with
completely randomized experimental d e s i g n was a p p l i e d . The experiment was conducted i n a p l a s t i c house.
Water s t r e s s decreased growth and production of soybean. Prod u c t i o n decreased 13 and 50 percent p e r p l a n t f o r Kepet w i t h 50 and
2 5 percent w a t e r s t r e s s a v a i l a b l e compared w i t h production with 75
percent w a t e r stress a v a i l a b l e . The d e c r e a s e w a s r e l a t i v e l y smaller
f o r Americana t h a n f o r Kepet and Galunggung i . e . 31 and 54 percent.
But on t h a t water stress Americana production (4.543 g p e r plant
and 3.016 g p e r p l a n t ) were h i g h e r t h a n Galunggung (2.914 g p e r
p l a n t and 1.917 g p e r p l a n t ) o r Kepet (3.123 g p e r p l a n t and 1.810 g
per plant).
Ringkasan: P e n e l i t i a n i n i b e r t u j u a n untuk mengetahui pengaruh t e kanan kekeringan (water s t r e s s ) yang dinyatakan pada t i n g k a t kadar
a i r tanah t e r s e d i a , v a r i e t a s dan i n t e r a k s i n y a terhadap pertumbuhan
dan produksi tanaman k e d e l a i . V a r i e t a s yang digunakan: Americana,
Galunggung, Kepet dan perlakuan t i n g k a t k a d a r a i r : 75, 50, 25 persen a i r t e r s e d i a . Percobaan f a k t o r i a l dengan rancangan acak lengkap
+
1)Sebagian t e s i s Magister S a i n s , FPS, IPB, tahun 1984
2)Yang pertama Staf Pengajar pada J u r u s a n Agronomi F a k u l t a s P e r t a n i a n U n i v e r s i t a s Mat a r m , yang kedua dan s e t e r u s n y a St af Pengaj a r
pada Jurusan Agronomi F a k u l t a s P e r t a n i a n I n s t i t u t P e r t a n i a n Bogor.
Bul. Agr. Vol. XIV No. 3
PENGARUH TEKANAN KEKERINGAN TERHADAP PERTUMBUHAN
DAN PRODUKSI BEBERAPA VARIETAS KEDELAI
PADA GRUMUSOL LOMBOK TENGAH
(EFFECTS OF WATER STRESS ON THE GROWTH
AND PRODUCT I O N OF SOYBEAN VARIETIES
AT GRUMUSOL LOMBOK TENGAH)
Oleh
V. F. A r i s Budianto, Soleh Solahuddin,
J u s t i k a S. Baharsjah dan Fred Rumawas 2)
A b s t r a c t : The aim of t h e s t u d y was t o know t h e e f f e c t of water
stress measured by l e v e l s of a v a i l a b l e s o i l w a t e r c o n t e n t , soybean
v a r i e t y , and t h e i n f l u e n c e t o growth and production of s o y b e k .
Three soybean v a r i e t i e s w e r e used i n t h i s experiment i.e. Americana,
Galunggung, and Kepet. The l e v e l s of water content a s
treatment
were 75, 50, and 25 percent of a v a i l a b l e water. F a c t o r i a l with
completely randomized experimental d e s i g n was a p p l i e d . The experiment was conducted i n a p l a s t i c house.
Water s t r e s s decreased growth and production of soybean. Prod u c t i o n decreased 13 and 50 percent p e r p l a n t f o r Kepet w i t h 50 and
2 5 percent w a t e r s t r e s s a v a i l a b l e compared w i t h production with 75
percent w a t e r stress a v a i l a b l e . The d e c r e a s e w a s r e l a t i v e l y smaller
f o r Americana t h a n f o r Kepet and Galunggung i . e . 31 and 54 percent.
But on t h a t water stress Americana production (4.543 g p e r plant
and 3.016 g p e r p l a n t ) were h i g h e r t h a n Galunggung (2.914 g p e r
p l a n t and 1.917 g p e r p l a n t ) o r Kepet (3.123 g p e r p l a n t and 1.810 g
per plant).
Ringkasan: P e n e l i t i a n i n i b e r t u j u a n untuk mengetahui pengaruh t e kanan kekeringan (water s t r e s s ) yang dinyatakan pada t i n g k a t kadar
a i r tanah t e r s e d i a , v a r i e t a s dan i n t e r a k s i n y a terhadap pertumbuhan
dan produksi tanaman k e d e l a i . V a r i e t a s yang digunakan: Americana,
Galunggung, Kepet dan perlakuan t i n g k a t k a d a r a i r : 75, 50, 25 persen a i r t e r s e d i a . Percobaan f a k t o r i a l dengan rancangan acak lengkap
+
1)Sebagian t e s i s Magister S a i n s , FPS, IPB, tahun 1984
2)Yang pertama Staf Pengajar pada J u r u s a n Agronomi F a k u l t a s P e r t a n i a n U n i v e r s i t a s Mat a r m , yang kedua dan s e t e r u s n y a St af Pengaj a r
pada Jurusan Agronomi F a k u l t a s P e r t a n i a n I n s t i t u t P e r t a n i a n Bogor.
Bul. Agr. Vol. XIV No. 3