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Sridharan, S.
- Documentation of Pest Management Practices among Banana Growers in Major Banana Growing Districts of Tamil Nadu
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Authors
Affiliations
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
International Journal of Plant Protection, Vol 10, No 1 (2017), Pagination: 63-68Abstract
A survey was conducted during the year 2014-2015 in major banana growing district of Tamil Nadu to study the pest management practices against major pests of banana. The studies revealed low responses on knowledge about eco-friendly pest management practices except following the clean cultivation practices (61.25 %) and use of plant products (54.17 %). Awareness about the recommended pesticides for banana was low (17.50 % respondents) and many of the banana growers (42.5 %) use monocrotophos against banana pests. Around 46.25 per cent of farmers get their plant protection advice from pesticide dealers. Interventions for eco-friendly pest management with the rational and sustainable use of pesticides in banana is necessary among the banana growers.Keywords
Insecticide Usage Pattern, Pseudostem Injection, Pseudostem Borer.
References
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- Management of Shoot Fly Atherigona soccata (Rondani) with Different Seed Dressing Chemicals
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Authors
Affiliations
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
International Journal of Plant Protection, Vol 9, No 1 (2016), Pagination: 193-198Abstract
This investigation was carried out in Tamil Nadu Agricultural University, Coimbatore to test the bio efficacy of different seed dressing chemical on the management of sorghum shoot fly. The micro plot field experiments conducted in farm holdings at Chinnamatham palayam and Idikarai, Coimbatore District revealed the effectiveness of imidacloprid in checking shoot fly incidence by recording a mean minimum dead heart damage of 20 and 11 per cent in trial I and II, respectively. The experiments also showed maximum plant height of 39.2 and 39.7 cm in imidacloprid treated plots. In the laboratory, the assessment of seed dressing chemicals on the germination indicated maximum germination (92 %) of sweet sorghum seeds in imidacloprid treatment with maximum seedling vigour index (2401.2). Laboratory experiments showed no adverse effect of imidacloprid and thiamethoxam on seed germination.Keywords
Sweet Sorghum, Seed Dressers, Germination, Shoot Fly, Efficacy.- Predatory Potential of Green Lacewing, Chrysoperla zastrowi sillemi (Esben - Petersen) (Neuroptera:Chrysopidae) on Pomegranate Aphid Aphis punicae passerini (Homoptera:Aphididae)
Abstract Views :224 |
PDF Views:105
Authors
K. Elango
1,
S. Sridharan
1
Affiliations
1 Department of Agricultural Entomology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore - 641003, Tamil Nadu, IN
1 Department of Agricultural Entomology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore - 641003, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 31, No 4 (2017), Pagination: 246-248Abstract
The predatory potential of aphid lion, Chrysoperla zastrowi sillemi (Neuroptera: Chrysopidae) against Aphis punicae in pomegranate was studied and the observation showed that all the larval stages of the predator were found to feed on A. punicae. Furthermore, the third instar grub of C. zastrowi sillemi with the developmental period of 3.4 days had consumed a maximum of 106.3 aphids followed by second and first instar grubs of the predator which consumed a maximum of 68.1 and 30.7 aphids during their development period of 3.2 and 2.7 days, respectively. Further, single C. zastrowi sillemi grub was found to consume a total of 205.1 aphids during its total larval period of 9.3 days. The results obtained indicate the potential of C. zastrowi sillemi as an effective predator of pomegranate aphid.Keywords
Aphis punicae, Biological Control, Chrysoperla zastrowi sillemi, Pomegranate, Predatory Potential.Full Text
References
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- In Vitro Evaluation of Native Isolate of Metarhizium anisopliae (Metchinkoff) Sorokin and its Oil in Water Formulations against Odoiporus longicollis Olivier
Abstract Views :294 |
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Authors
Affiliations
1 Department of Agricultural Entomology, Centre for Plant protection Studies, TNAU, Coimbatore – 641003, Tamil Nadu, IN
2 Department of Plant Biotechnology, Centre for Plant Molecular Biology and Biotechnology, TNAU, Coimbatore – 641003, Tamil Nadu, IN
1 Department of Agricultural Entomology, Centre for Plant protection Studies, TNAU, Coimbatore – 641003, Tamil Nadu, IN
2 Department of Plant Biotechnology, Centre for Plant Molecular Biology and Biotechnology, TNAU, Coimbatore – 641003, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 31, No 4 (2017), Pagination: 249-253Abstract
Banana pseudostem borer Odoiporus longicollis Olivier is one of the serious monophagous pest threatening the production and productivity of banana in south India. The native isolate of entomopathogenic fungi Metarhizium anisopliae (Metchinkoff) Sorokin was identified and evaluated for its virulence to O. longicollis compared with other entomopathogenic fungal isolates. The native isolate M. anisopliae (Ma-BW) showed higher virulence to adults with the minimum LC50 value ∼1.0 × 107 spores ml-1 and faster lethal effect on adult O. longicollis with the shortest LT50 value of 62.54 hours. Among different oil in water formulations of Ma-BW evaluated against adult O. longicollis in laboratory at 2% showed that the formulation of Ma-BW in ground nut oil performed superior with adult mortality of 83.33 per cent at 120 HAT followed by oil formulations of Ma-BW in sunflower oil, gingelly oil and neem oil with76.67 per cent adult mortality at the same concentration and time period.Keywords
Attract-And-Kill, Native Isolate, Oil-In-Water Formulation, LC50, LT50.Full Text
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