Oviposition and larval survival of diamondback moth, Plutella xylostella under protected Indian mustard field conditions

Haidar Ali; Tufail Ahmad; Mod S. Ansari

लेखक

Haidar Ali City High School, Aligarh Muslim University, Aligarh (U.P.), India
Tufail Ahmad School of Agricultural Sciences, G.D. Goenka University Sohna, Gurugram (Haryana), India
Mod S. Ansari Department of Plant Protection, Faculty of Agriculture, Aligarh Muslim University, Aligarh (U.P.) India

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Cauliflower, Indian mustard, P. xylostella, Pusa Bold, Pusa Jaikisan, oviposition,

सार

Incidence of Indian mustard var. Pusa Bold and Pusa Jaikisan on the oviposition of Plutella xylostella (Order Lepidoptera: Family, Plutellidae) has significantly (P<0.05) preferred to oviposit on cauliflower (control) as compared to Indian mustard in both choice and no-choice tests. In the choice test, females preferred to lay more eggs on Pusa Bold than on Pusa Jaikisan. In the experiment conducted in the month of October (2017-18), female oviposits significantly (P<0.05) highest number of eggs laid by P. xylostella was recorded in the month of October and the smallest in January 2017-18, and 2018-19 where 72.05 eggs/female on cauliflower. Fecundity of P. xylostella was found significantly (P<0.05) highest on cauliflower as compared to Indian mustard. Cauliflower received a maximum number of eggs (225.72) during the experiment in the month of October but fecundity tends to decrease from November to January. Pusa Bold is significantly (P<0.05) more preferred by female P. xylostella to lay eggs than that of Pusa Jaikisan. The Pusa Jaikisan may be more effective for integrated pest management of brassica crops.

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