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Pandey, A. K.
- Field Evaluation of Beauveria bassiana and Metarhizium anisopliae against the White Grub, Holotrichia longipennis Damaging Soybean in Uttarakhand Hills
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PDF Views:142
Authors
Affiliations
1 College of Forestry & Hill Agriculture, G. B. Pant University of Agriculture & Technology, Hill Campus, Ranichauri, Tehri, Garhwal, 249 199, Uttarakhand, IN
1 College of Forestry & Hill Agriculture, G. B. Pant University of Agriculture & Technology, Hill Campus, Ranichauri, Tehri, Garhwal, 249 199, Uttarakhand, IN
Source
Journal of Biological Control, Vol 24, No 4 (2010), Pagination: 327-332Abstract
Field experiments were conducted at Crop Research Center, College of Forestry and Hill Agriculture, GBPUA&T, Ranichauri during 2006-2009 to evaluate the effectiveness of entomopathogenic fungi, Beauveria bassiana and Metarhizium anisopliae with few insecticides against white grub, Holotrichia longipennis damaging soybean. On the basis of average cumulative plant mortality during the study, M. anisopliae (5.0×1013 spores g-1) was found to be superior compared to other bio-agents by recording lowest plant mortality (21.83%) and 61.58% decrease in grub population followed by B. bassiana (5.0×1013 spores g-1) where the plant mortality and decrease in grub population was 25.18% and 54.75%, respectively, compared to control. Highest percentage of yield increase (113.41%) was also recorded with M. anisopliae. However, among all the treatments, imidacloprid was found to be the most effective in reducing the grub population (82.28%) and thereby increasing the yield 206.86% over control.Keywords
Beauveria, Metarhizium, Imidacloprid, Chlorpyriphos, Bio-Efficacy, Holotrichia longipennis, Soybean.- Effect of Different Grains as Solid Substrates on Sporulation, Viability and Pathogenicity of Metarhizium anisopliae (Metschnikoff) Sorokin
Abstract Views :206 |
PDF Views:122
Authors
Affiliations
1 College of Forestry & Hill Agriculture, G B. Pant Univ. of Ag. & Tech. Hill Campus, Ranichauri, Tehri Garhwal - 249199 (Uttarakhand), IN
2 Department of Entomology, G. B. Pant University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, IN
1 College of Forestry & Hill Agriculture, G B. Pant Univ. of Ag. & Tech. Hill Campus, Ranichauri, Tehri Garhwal - 249199 (Uttarakhand), IN
2 Department of Entomology, G. B. Pant University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, IN
Source
Journal of Biological Control, Vol 22, No 2 (2008), Pagination: 369-374Abstract
Influence of different cereal grains as solid substrates on sporulation, viability and pathogenicity of Metarhizium anisopliae (Metschnikoff) Sorokin was studied under laboratory condition. Among the six grains (viz. maize, sorghum, fingermillet, sorghum, barley and wheat), sorghum as solid substrate resulted in highest spore (6.36 × 107 conidia ml−1) production with spore viability of 86.6 per cent. The production and viability of conidia increased when the substrates were supplemented with sucrose as compared to conidia produced from substrates alone. Conidia produced from fingermillet showed highest virulence against third instar larvae of Spodoptera litura with LC50, value of 1,72 × 106 conidia ml−1 compared to conidia from other sources. However, conidia produced from SDA medium showed highest spore production, viability and virulence to S. litura larvae compared to conidia produced from solid substrates.Keywords
Metarhizium, Pathogenicity, Solid Substrates Fermentation, Spodoptera Sporulation, Viability.- Effect of Edaphic and Climatic Factors on the Mycoherbicidal Potential of Fusarium Spp. against Parthenium hysterophorus L
Abstract Views :225 |
PDF Views:127
Authors
Affiliations
1 Department of Biological Science Rani Durgawati University Jabalpur 482001, M. P., IN
1 Department of Biological Science Rani Durgawati University Jabalpur 482001, M. P., IN