CHEMICAL CONTROL OF POINTED GOURD VINE BORER, (Apomecyna Saltator) FABR.

A. P. SAMALO

doi:https://doi.org/10.29321/MAJ.10.A02380

Madras Agricultural Journal

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CHEMICAL CONTROL OF POINTED GOURD VINE BORER, (Apomecyna Saltator) FABR.

Author: A. P. SAMALO,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 72, Issue: jun-jun,

DOI:https://doi.org/10.29321/MAJ.10.A02380

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Abstract

Several insecticides were tested against the pointed gourd vine borer, Apomecyna Saltator Fabr.. a serious pest of pointed gourd. Isofenphos sprayed @ 0.5 kg a.i./ha killed 100% grubs feeding in the vines, Soil treatment with granular phorate, carbofuran quinalphos or disulfoton or aldrin dust applied @ 1 kg a. i/ha during january killed 75% grubs habitating in the roots left for ratoon crop. Maximum net profit of Rs 2.267 /ha was obtained when the crop was sprayed With quinalphos 0.5/kg a.i./ha at 280 days after planting (DAP) However, the benefit cost ratio was higher with phosphamidon treatment.

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