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All Journal JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION)
Simamora, Kiki Fajrina
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Agriculture, Biological Sciences & Forestry Environmental Science

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Tingkat Serangan Brontispa Longissima (Gestro) (Coleoptera: Chrysomellidae) pada Kelapa (Cocos Nucifera) Varietas Genjah dan Varietas Dalam di Kabupaten Solok: english Simamora, Kiki Fajrina; Yunisman, Yunisman; Winarto, Winarto
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 2 No. 2 (2018): December 2018
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.2.2.72-77.2018

Abstract

The attack of Brontispa longissima has spread to almost all coconut plantations in Indonesia. This study aimed to determine the attack level of B.longissima on dwarf and tall varieties and the number of fruit in Solok Regency. A survey with purposive random sampling was done. The parameters observed were the percentage of plants attacked, the percentage of midribs attacked, and the number of the coconut fruit. The results showed that the highest percentage of coconut attacked by B. longissima occurred on the tall variety (83.34%) in Gunung Talang Subdistrict, the highest percentage of midribs attack occurred on tall variety (12.67%) in X Koto Singkarak Subdistrict. There was a negative close correlation between the percentage of leaves attacked and the number of coconuts.
Co-Authors Winarto Winarto Yunisman, Yunisman