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Shinde, C. U.
- Generations of Rhyzopertha Dominica (fabricius) on Stored Sorghum under South Gujarat Condition
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Authors
Affiliations
1 Department of Entomology, N.m. College of Agriculture, Navsari Agricultural University, Navsari (gujarat), IN
1 Department of Entomology, N.m. College of Agriculture, Navsari Agricultural University, Navsari (gujarat), IN
Source
International Journal of Plant Protection, Vol 7, No 2 (2014), Pagination: 298-301Abstract
Lesser grain borer, Rhyzopertha dominica (Fabricius) is one of the major pests of stored cereals. It is widely distributed in the tropical regions of the world and met throughout India. Studies on the effect of prevailing temperature and relative humidity of south Gujarat during the year 2012-2013 on the development of R. dominica were carried out under laboratory conditions. The results revealed that the influence of temperature and relative humidity on the growth and development of R. dominica completed total eight generations on stored sorghum (variety GJ-42). The significantly negative correlation existed between maximum and minimum temperature, relative humidity with developmental period of R. dominica.Keywords
Rhyzopertha Dominica, Stored Sorghum, Generation
- Relative Efficacy, Helicoverpa armigera (Hubner), Tomato.
Abstract Views :541 |
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Authors
Affiliations
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), IN
1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), IN
Source
International Journal of Plant Protection, Vol 8, No 2 (2015), Pagination: 250-255Abstract
Field experiment conducted on relative efficacy of nine different insecticides against H. armigera (Hubner) in tomato during year 2012-13 revealed that all the nine insecticides were significantly superior to untreated control in reducing H. armigera infestation. However, flubendiamide 0.004 per cent recorded minimum larval population (0.43 larva/plant) and 10.09 per cent fruit damage on weight basis than the remaining treatments which was identical with chlorantraniliprole 0.0055 per cent (0.58 larva/plant and 10.62 % fruit damage) and spinosad 0.0068 per cent (0.68 larva/plant and 11.34 % fruit damage). Higher marketable yield recorded from treatments of flubendiamide 0.004 per cent chlorantraniliprole 0.0055 per cent and spinosad 0.0068 per cent with 25.21, 24.84 and 22.20 tonnes/ha, respectively.Keywords
Relative Efficacy, Helicoverpa armigera (Hubner), Tomato.References
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