Vivekanand Agriculture College

Buldāna, India

Vivekanand Agriculture College

Buldāna, India

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Kakde S.P.,Vivekanand Agriculture College | Dhonde S.V.,Vivekanand Agriculture College | Sarda A.L.,Vivekanand Agriculture College | Khillare P.W.,Vivekanand Agriculture College | Deshwal H.L.,Vivekanand Agriculture College
Plant Archives | Year: 2014

An investigation was conducted in the laboratory of Department of Entomology. College of Agriculture, Bikaner during January to June 2010 at 29 ±1.5 °C temperature and 70 ± 5 per cent relative humidity. The minimum adults emerged (7.00, 14.00 and 17.33) was recorded on variety Raj-3765, Raj-1482 and HD-2329 respectively. The minimum grain damage (33.66, 51.66 and 58.66%) and weight loss (11.00, 16.67 and 18.00%) was recorded on variety Raj-3765, Raj-911 and HD-2329 respectively. The management of R. dominica was studied with plant leaf, plant oils and seed extract. The minimum adult emerged in grain treated with neem 2 per cent (1.33) followed by dharek 2 per cent (2.33). The grain damage and weight loss was minimum in neem 2 per cent (1.00 and 1.33%) followed by dharek 2 per cent (6.67 and 1.66%). The gunny bags impregnated with neem oil 10 per cent and mustard oil 10 per cent provided complete protection over the adult emergence, grain damage and weight loss by R. dominica. The maximum protection was also provided by castor oil 10 per cent and NSKE 10 per cent in which adult emerged was 1.33, whereas, maximum adult emerged, grain damage and weight loss was recorded in karanj seed extract 5 per cent 8.33, 11.33% and 6.33% respectively. The effect of plant leaves, seed extract and plant oils on viability of the seed was not adverse.

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