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INFLUENCE OF SPRAYING SYSTEMS ON THE EFFICACY OF BACILLUS THURIGIENSIS BERLINER AGAINST THE DIAMONDBACK MOTH PLUTELLA XYLOSTELLA (L.) ON CAULIFLOWER

Article Id: ARCC5192 | Page : 209-210
Citation :- INFLUENCE OF SPRAYING SYSTEMS ON THE EFFICACY OF BACILLUS THURIGIENSIS BERLINER AGAINST THE DIAMONDBACK MOTH PLUTELLA XYLOSTELLA (L.) ON CAULIFLOWER.Agricultural Science Digest.2000.(20):209-210
c. Gailce Leo Justin and M.S. Nirmaia
Address : Horticultural Research Station Tamil Nadu Agricultural University, Pechiparai-629 161, India

Abstract

A field trial was carried out to study the influence of both high volume and low
volume spraying systems on the efficacy of Bacillus thuringiensis against the diamondback moth
on cauliflower (var. Krishna-Double cross). Application of Bacillus thuringiensis (Delfin) @ 750
gjha with a hand-operated Aspee back-pack hydraulic sprayer was significantly more effective
than the mist blower application in reducing the larval population and increasing the yield.
Similar results were obtained with regard to quinalphos @ 450g a.i./ha treatment

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