DETERMINASI ARAS LUKA EKONOMI LARVA OSTRINIA FURNACALIS PADA TIGA FASE PERTUMBUHAN TANAMAN JAGUNG

A field experiment was conducted to investigate the effect of infestation levels of Ostrinia furnacalis larvae per plant on corn grain yield reductions, and to determine economic injury levels (EIL) of O. furnacalis larvae and economic threshold (ET) of egg masses at three corn growth stages (V10, R...

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Main Authors: , SUBIADI, , Prof. Dr. Ir. Y. Andi Trisyono, M.Sc.
格式: Thesis
出版: [Yogyakarta] : Universitas Gadjah Mada 2012
主题:
ETD