Bioefficacy of seed protectants against pulse beetle in stored pigeon pea [Cajanus cajan (L.) Millsp.]
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Date
2021-07-30
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ANDUAT, Kumarganj, Ayodhya
Abstract
The present studies on the “Bioefficacy of seed protectants against pulse beetle in stored pigeon pea [Cajanus cajan (L.) Millsp.]” were conducted under ambient condition in the Department of Entomology, Acharya Narendra Deva university of Agriculture & Technology, Kumarganj, Ayodhya, during 2020-21.The seven seed protectants viz.,Spinetoram (Delegate 11.7%SC) @17ml/kg seed, Flupyradifurone (Sivanto prime 17.09 %SL) @0.02ml/kgseed,Emamectin benzoate (EM -1 5%SG) @40.0mg/kgseed,Neem oil @5ml/kg seed, Dry Neem Leaf@ 5ml/kg seed, Azadirachtin (Neemoz gold 1% EC) @ 5ml/kg seed, Deltamethrin (Decis2.8% EC) @ 0.04ml/kg seed were evaluated against pulse beetle, Callosobruchus Chinensis (L.) in pigeon pea during the investigation. Among testedseed protectants the Emamectin benzoate 5 SG @ 40.0 ml/kg seed,Spinetoram 11.7 SC @ 17 ml/kg seed and Neemoz Gold 1% EC @ 5 ml/kgseed was found most effective as seed protectants with least seed damage and weight loss with maximum germination per cent and vigour of pigeon pea seed up to 6 months of storage which able to maintain the IMSCS level. Per cent seed moisture was increased with increase in storage period. The seed damage and seed weight loss & qualitative loss (Germination, Vigour and moisture content) of pigeon pea seed were increased with increased period of storage.
Thus, the present studies clearly revealed that Emamectin benzoate 5 SG @ 40.0 ml/kg seed, Spinetoram 11.7 SC @ 17ml/kg seed and Neemoz Gold 1% EC @ 5ml/kgseed as botanical seed protectants may be used for protecting the seed of pigeon pea against pulse beetle, C. Chinensisfor long period of storage (up to 6 months) during ambient storage.
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