EFEKTIVITAS EKSTRAK UMBI GADUNG (Dioscorea hispida dennst) UNTUK MENGURANGI INTENSITAS SERANGAN BELALANG (Locusta Migratoria) PADA DUA VARIETAS KEDELAI UMUR GENJAH

UTAMI, MARETA DWI (2017) EFEKTIVITAS EKSTRAK UMBI GADUNG (Dioscorea hispida dennst) UNTUK MENGURANGI INTENSITAS SERANGAN BELALANG (Locusta Migratoria) PADA DUA VARIETAS KEDELAI UMUR GENJAH. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

The research aimed to (a) figure out the effect of Gadung (Dioscorea hispida dennst) tuber extraction concentration to the intensity of pest attack, soybean growth and yields.It also to (b) figure out the effect of soybean variety toward intensity of pest attack, soybean growth and yields, and (c) to figure out interaction of soybean variety and Gadung (Dioscorea hispida dennst) tuber extraction concentration toward intensity of pest attack, soybean growth and yields. The research was conducted in Langgar village, Kejobong sub-district of Purbalingga regency on 179 meters above sea level in October 2016 to January 2017. The research design was Complete Random Design consisting of two factors. The first factor was soybean varieties of (Dena 1) V1 and (Gema) V2. The second factor was Gadung tubers extract concentration consisting of four levels of 0 g/L (G0), 25 g/L (G1), 50 g/L (G2), 75 g/L (G3). Every treatment arrangement was made two units and repeated four times. Gadung (Dioscorea hispida dennst) tubers extraction concentration did not affect factually toward intensity of pest attack, soybean growth and yields. The use of of soybean varietydid not affect factually toward intensity of pest attack, soybean growth and yields. The interaction of allotment of Gadung (Dioscorea hispida dennst) tuber extraction concentration and soybean variety affected factually toward weight of seed per-plant, and it affected very factually toward number of seed per-plant. The variety of Gema variety treated with Gadung tuber extraction 50 grams (V2G2) resulted the heaviest weight of seed per-plant 11.55 grams per-plant. The allotment of Gadung tuber extraction in average could decrease intensity of pest attack toward soybean crops.

Item Type: Thesis (Bachelor)
Additional Information: Pembimbing: Dr. Ir. Gayuh Prasetyo Budi, M.P., dan Hamami Alfasani Dewanto, S.Si. M,Si.
Uncontrolled Keywords: Gadung tuber extraction, soybean, grasshoper
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian dan Perikanan > Agroteknologi S1
Depositing User: Iin Hayuningtyas
Date Deposited: 26 Sep 2017 03:20
Last Modified: 26 Sep 2017 03:20
URI: https://repository.ump.ac.id:80/id/eprint/4366

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