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Pesticide Research Journal
Year : 2019, Volume : 31, Issue : 2
First page : ( 233) Last page : ( 241)
Print ISSN : 0970-6763. Online ISSN : 2249-524X.
Article DOI : 10.5958/2249-524X.2019.00034.7

Bioefficacy of Chlorantraniliprole against Yellow Stem Borer and Leaf Folder and Persistence in Basmati Rice

Bhardwaj Urvashi, Kumar Rajinder*, Sarao Preetinder Singh1, Mandal Kousik, Singh Balwinder

Pesticide Residue Analysis Laboratory Department of Entomology, Punjab Agricultural University, Ludhiana, 141 004, Punjab, India

1Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, 141 004, Punjab, India

*Corresponding author E-mail: rajinderent@pau.edu

Online published on 8 January, 2020.


Chlorantraniliprole being a systemic insecticide is recommended for the management of the yellow stem borer, Scirpophaga incertulas (Walker) and leaf folder, Cnaphalocrocis medinalis (Guenée). Its bioefficacy against these insects is reported for two years (2011–12) in basmati rice at four doses, viz., 50, 100, 150, 200 mL ha−1. Per cent reduction of stem borer and leaf folder was 31.88, 62.66, 68.12, 77.60 and 71.29, 73.53, 77.42, 80.68, respectively, 15 d after spray on basmati rice. Its persistence on basmati rice following applications @ 30 and 60g a.i. ha−1, 30 d after transplanting, is also reported. For residue analysis, samples of basmati rice plants were collected at 0, 1, 3, 5, 7, 10, 15 and 20 d after application of the insecticide. Chlorantraniliprole in rice plants was found to be below determination limit of 0.05 mg kg−1 at 15 and 20 d after application at the recommended and double the recommended doses, respectively. Basmati grains, bran, husk and straw at harvest time did not reveal the presence of detectable residues of chlorantraniliprole.



Chlorantraniliprole, bioefficacy, Yellow stem borer, leaf folder, basmati rice, residue.


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