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Journal of Entomological Research
Year : 2024, Volume : 48, Issue : 1
First page : ( 31) Last page : ( 34)
Print ISSN : 0378-9519. Online ISSN : 0974-4576.
Article DOI : 10.5958/0974-4576.2024.00007.0

Bio-efficacy of different bio-pesticides in the management on diamondback moth, (Plutella xylostella L.)

Sharma Bablu*, Chaudhary A.K., Sharma Nanu Ram1, Khan Saif Ali2, Sharma Arti2

Department of Entomology, Institute of Agricultural Sciences, Bundelkhand University, Jhansi - 284 128, Uttar Pradesh, India

1Department of Entomology, Swami Keshwanand Rajasthan Agricultural University, Bikaner - 334 006, Rajasthan, India

2Department of Entomology, Rajasthan Agricultural Research Institute, Durgapura, Jaipur - 302 018, Rajasthan, India

*Corresponding author's E-mail: bablujaipur6255@gmail.com

Online published on 4 March, 2024.

Abstract

Among the different treatments used, the reduction of mean larval population of P. xylostella as compared to untreated plots was maximum in spinosad 45 SC @ 200 ml/ha followed by Bacillus thuringiensis var. kurstaki 5% WP @ 2.0 kg/ha and Beauveria bassiana 5% WP @ 2.0 kg/ha. The lowest larval population reduction was observed in karanj oil 5% and garlic bulb extract 5%. The best marketable yield was found in spinosad 45 SC (58.10 t/ha) and lowest in garlic bulb extract 5% (42.30 t/ha) and caster oil 3% (44.80 t/ ha). The cost benefit ratio was maximum (1:1.95) with spinosad followed by Baccillus thrungensis (1:1.93) and Beauveria bassiana (1:1.83).

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Keywords

Brassica oleraceaBtPlutlla xylostella, Spinosad and yield.

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