Management of coconut perianth mite, Aceria guerreronis (Keifer) through nutrition
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Date
2009
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Abstract
Investigation on impact of plant nutrition on population build up of coconut perianth mite, Aceria guerreronis (Keifer) was carried out at Navalur near Dharwad during 2007-08. Among the different nutrients applied to soil recommended dose of fertilizer (RDF) + full dose of borax + MgSO4 + gypsum + neem cake, RDF + half dose of borax + MgSO4 + gypsum + neem cake and RDF + borax were the most effective and significantly superior treatments by recording 42.10, 36.03 and 34.11 per cent reduction of mite over control. With respect to per cent damaged nuts and grade indices, RDF + full dose of borax + MgSO4 + gypsum + neem cake, RDF + MgSO4, RDF + half dose of borax + MgSO4 + gypsum + neem cake and RDF + gypsum were the effective treatments and recorded 19.29 to 34.06 per cent damaged nuts and 1.56 to 1.83 damage grading.
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Keywords
Coconut perianth mite, Aceria guerreronis, nutrients, management
Citation
Karnataka J. Agric. Sci., 22( 3-Spl.Issue) : (603-605) 2009