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SKRIPSI PENGARUH MACAM FUNGISIDA DAN JARAK TANAM TERHADAP PENYAKIT BERCAK DAUN (Cercospora sp) DAN HASIL KACANG TANAH (Arachis hypogaea L.) Var. Gajah
ABSTRACT
The aim of this experiment is to reduce the intensity leaf spot desease (Cercospora ap.) attack an and increase the yield of groundnut (Arachis hypogaea L.) by the usage of right fungicide and the optimal plant spacing.
The experiment was done fron June 22, 1990 up to Sep- tember 29, 1990 at Kedungsari Village, district of Morth Magelang, Nagelang municipality, Central Java Province, elevationally located 380 meters above sea level.
The design used was factorial method, based on the Randomised Complete Block Design (ROI), consisted of two factors and three replication. The first factor vas the type of fungicide, consisted of three levels: Fo without fungicide, F. Pungicide Antracol 70 MP, F. Fungicide Daco- nil 75 MP, 2 Pungicide Dithane K-45 80 MP. The second
factor was plant spacing, consisted of J 20 x20 cm,2 ав 30 x 20 cm, and J 30 x 30 cm.
The result shows that fungicide very nignificantly effects the dry weight of straw, the weight of 100 dry seeds, the weight of dry mature pods, and the intensity of the leaf spot desease attact, but doesn't have any effect on the height of plant, fresh weight of straw, and the number of unfilled pods. The plant spacing factor gave very significant effect on the height of plant, the fresh weight of straw, dry weight of straw, and the weight of dry mature pods, but doesn't have any effect on the number of unfilled poda, weight of 100 dry seeds and the intensi- ty of leat spot desease attack.
The lowest intensity of leat spot desease attack was resulted on the treatment combination of Pad (30,45%) and the hignest result on the treatment combination of Fo (57,49%). The hignest groundnut yield vas gained by the treatment combination of 7J (980,5 g/bed) and the lowest of P (586,2 g/bed). yield on the treatment combination
The interaction between the type of fungicide and plant spacing was found to the parameters observed.
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