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SKRIPSI PENGARUH JUMLAH BUKU PADA STEK DAN MACAM VARIETAS TERHADAP HASIL UBI JALAR (Ipomoea batatas (L) Lam )
ABSTRACT
The experiment of the number nodes of cutting and kinds of variety to the yield of sweet potato (Ipomoea batatas (L) Lam) had been carried out in December 30, 1991 until May 3, 1992 at Potrobangsen village, North Magelang district, Magelang city, Central Java. Latosol soil, pH 6.5 , on altitude 376 m.
The purpose of the research is to know the effect of number nodes and kinds of variety to the yield of sweet potato.
The method of experiment was used split plot design in randomized complete bleck design (RCID), consist of 2 factors with 3 replications. The first factors (main plot) is variety those are Prambanan, Borobudur, and Mentik. The second factor (sub plot) is number of noden are four, seven and ten.
The effect of number nodes of cutting to the sweet potato is significant for all parameters, especially number of nodia seven was reached the highest yield.
The Prambanan variety better yield than Borobudur and Mentik variety. Number tubers of Prambanan and Borobudur variety equally however higher tuber weight for Borobudur Mentik veriety has one tuber only.
The interaction of the treatment between varieyt and number nodes is significantly to the lenght of stem and weight of tuber per plant. The highest yield reached by Prambanan variety with sevent number of nodes.
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