EVALUATION OF ORGANICS AND INOIGENOUS PRODUCTS FOR THE MANAGEMENT OF HelwoverpaamilBera{M\im) IN CHILLI
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Date
2005-07-04
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University of Agricultural Sciences GKVK, Banglore
Abstract
A field trail was carried out using chilli var. Byadagi Dyavanoor during kharif
season of 2002-03 at Main Agricultural Research Station, University of Agricultural
Sciences, Dharwad to evaluate the organic amendments and indigenous products for the
management of H. armigera.
Studies on the effect of organic amendments on H. armigera revealed that among
the different organic amendments, soil application of neem cake @ 1 t/ha was very
effective in recording lowest eggs (0.69), larval population (0.62) and lowest fruit damage
(6.5%) being on par with vermicompost @ 2 t/ha. Next best treatments were neem cake
@ 0.5 t/ha + 50 per cent RDF, vermicompost @ 1 t/ha + 50 per cent RDF and RDF.
Neem cake @ 1 t/ha recorded highest green chilli yield of 83.47 q/ha being on par with
RDF (79.00 q/ha) and RPP (89.33 q/ha). These were followed by vermicompost @ 2 t/ha
+ 50 per cent RDF (76.00 q/ha) and neem cake @ 0.5 t/ha + 50% RDF (72.00 q/ha).
Highest B;C ratio of 3.88 was noticed in neem cake @ 1 t/ha from among the organic
amendments evaluated
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