Agricultural Science Digest

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Agricultural Science Digest, volume 27 issue 1 (march 2007) :

MANAGEMENT OF RELATIVELY RESISTANT POPULATION OF SPODOPTERA LITURA F WITH THIODICARB

P. Radhika, G.V. Subbaratnam, K.C. Punnaiah
1Department of Entomology, Acharya N.G. Ranga Agricultural University, Agricultural College, Baptla - 522 101, India

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Cite article:- Radhika P., Subbaratnam G.V., Punnaiah K.C. (2024). MANAGEMENT OF RELATIVELY RESISTANT POPULATION OF SPODOPTERA LITURA F WITH THIODICARB. Agricultural Science Digest. 27(1): . doi: .

ABSTRACT

Thiodicarb showed LD50 and LD90 values of 0.753 and 1.754 mg/larva by topical application and 0.682 and 1.552 g/larva by leaf sandwich method. This insecticide is superior to methomyl, etofenprox, profenofos, cartap hydrochloride and diafenthiuron and the four conventional insecticides tested. Thiodicarb was not synergised by PBO even at higher synergist ratio of 1:10 in both topical and leaf sandwich methods of application of the mixtures, as the synergistic ratios varied between 1.0 and 1.38. The resistant population of S. litura can be managed with new molecule, thiodicarb and there is no necessity of mixing the synergist PBO with this new insecticide

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