Efektifitas Kombinasi Pestisida Nabati dan Waktu Aplikasi terhadap Mortalitas HamaWalang Sangit (Leptocorisa acuta) pada Tanaman Padi

Sahroni, Ahmad Imron (2017) Efektifitas Kombinasi Pestisida Nabati dan Waktu Aplikasi terhadap Mortalitas HamaWalang Sangit (Leptocorisa acuta) pada Tanaman Padi. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

This research was conducted in the village lampeji sub-district Mumbulsari district Jember. This research method used a randomized complete design (RCD) factorial with 2 factors, 12 treatment combinations and each treatment was repeated 3 times. The first factor was the combination of the extract of betel leaf and the tobacco leaf extract with 6 treatments, the comparison of the combination of extract (gram) as follows P0 (control), P1 (100), P2 (75:25), P3 (50:50), P4 (25 : 75) and P5 (100), the second factor of spraying time (I1) every 3 days (I2) every 6 days. Every treatment is infested with 10 Leptocorisa acuta any treatment. The mortality data of the pest is transformed into Arcsin, along with the weight of grain in the analysis with the anova of 2-way tables further in further testing with DMRT. The results of this research indicate that all extracts of combination and single extract capable of mortality against the Leptocorisa acuta. The combined extract treatment with the highest mortality of the Leptocorisa acuta is the highest P3I1 treatment on day 2 days after application daa, the pest has been totally 100%. Combination extract with lowest mortality is P4I2 treatment with 80% mitasitas to day 6 (daa). The highest single extract treatment for the mortality of the pests of pekalang pest occurred in P5I1 treatment with mortality of 96.67%. The lowest single extract was P1I2 treatment with 70.00% mortality until day 6 daa. Mortality of pest on low control treatment ie P0I1 13.33% and P0I2 36.67% up to day 6 daa. The best rice productivity is obtained from dry weight of grain, ie P2 weighing 81.50 grams.

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