CD Skripsi
Respons Beberapa Genotipe Ubi Kayu (Manihot Esculenta Crantz) Asal Taluk Kuantan Terhadap Dosis Pupuk Kandang Dari Kotoran Sapi
Cassava(Manihot esculenta crantz) is one of the agricultural commoditythat produce tuber for food source in Indonesia. The research objective was to determine the effect of manure on tuber yield and genetic diversity of the five genotypes of cassava Taluk Kuantan. The research was arranged in the randomized block design (RBD) with two factors. The first factor was five cassava genotypes namely: (IY1) cassava pucuk hitam, (IY 2) cassava bangka, (IY3) cassava pulut, (IY4) cassava roti; and (IY5) cassava pucuk hijau. The second factor was the fertilizer of cow manure consists of five doses, namely: P0 (0 kg/plant), P1 (2 kg/plant), P2 (4 kg/plant), P3 (6 kg/plant); and P4 (8 kg/plant). The parameters observed were morphologicaland agronomiccharacters of cassava, such as plant height,number of tubers/plant, tuber diameter, tuber length, and tuber weight/plant. The results showed that morphology of five cassava genotypesobservedvaried and genetic diversity was rang ing at 32%- 57%. There was significantly interaction between cow manuredosage and cassava genotypes on the tuber weight/plant and length tubers/plant, but not significant on plant height, number of tubers/plant, and diameter of tuber. Pucuk hitam cassava producedheaviest tuber, pulut cassava produced heaviest tuber in the fertilizer with a dose of 4 kg, bangka and pucuk hijau cassavas produced the highest tuber weight in the fertilizer with 6 kg dose.
Keywords: agronomic, cassava, dosecowmanure, genetic diversity, morphological
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