UJI EFIKASI BEBERAPA BIOPESTISIDA UNTUK PENGENDALIAN PENYAKIT BUSUK BUAH KAKAO

Hermansah, Hermansah (2016) UJI EFIKASI BEBERAPA BIOPESTISIDA UNTUK PENGENDALIAN PENYAKIT BUSUK BUAH KAKAO. Diploma thesis, Universitas Andalas.

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Abstract

This research has been conducted in November 2015 until September 2016. The purpose of this research was to compare the effectiveness of biopesticides of citronella oil, bamboo piper and combination of citronella oil with bamboo piper to suppress cacao’s fruit rot disease (CFR). Formula of the biopesticides obtained from Research Institute for Spices and Medicinal Plants. The experiment was conducted at cocoa plantation PT. Inang Sari, Lubuk Basung. Design of the study was randomized block design, 10 treatments, 6 replications each with 10 trees. The formula (6 ml/l water) was sprayed onto the entire surface of the fruit at intervals of once per week for 6 weeks. The observations was carried out on the level and intensity of CFR attacks. The results showed that the combination of citronella oil with bamboo piper has a tendency to be the most effective to suppress the level and intensity of CFR attacks. Keyword : Applications, biopesticides, effectiveness, intensity of attack, level of attack

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