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K

K. Narayanan

Researcher at Tamil Nadu Agricultural University

Publications -  5
Citations -  37

K. Narayanan is an academic researcher from Tamil Nadu Agricultural University. The author has contributed to research in topics: Spodoptera litura & Bacillus thuringiensis. The author has an hindex of 4, co-authored 5 publications receiving 36 citations.

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Mortality of the tobacco caterpillar,Spodoptera litura (F.), when treated withBacillus Thuringiensis combinations with boric acid and insecticides

TL;DR: Bacillus thuringiensis Berliner in combination with 0.1, 0.5, 1.5 and 2% boric acid caused 100% mortality of the tobacco caterpillar, Spodoptera litura (F), irrespective of instar, in a much shorter period than with boric Acid or the pathogen alone.
Journal ArticleDOI

Studies on the effect of Bacillus thuringiensis Berliner on the castor semi‐looper, Achoea Janata L. (Noctuidae, Lepidoptera)

TL;DR: Studies on the effect of Bacillus thuringiensis Berliner on the castor semi-looper, Achoea janata revealed high susceptibility of first and second instar larvae which were killed in 1.19 and 2.03 days as against 6.11 and 6.16 days for third and fourth instars.