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Kotikal, Y. K.
- Evaluation of New Insecticides and Bio Pesticides Against Defoliators on Palak
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Authors
Affiliations
1 Department of Entomology, University of Horticultural Sciences, Bagalkot (Karnataka), IN
1 Department of Entomology, University of Horticultural Sciences, Bagalkot (Karnataka), IN
Source
International Journal of Plant Protection, Vol 9, No 2 (2016), Pagination: 365-371Abstract
The investigation was undertaken at the College of Horticulture, UHS, Bagalkot, during 2013-2014 to study the bio efficacy of different insecticides against Agrotis segetum (Denis and Schiffermuller) and Spoladea (=Hymenia) recurvalis (Fabricius) on Palak. The results indicated that the newer molecules viz., emamectin benzoate 5 per cent SG @ 0.25g/lit indoxacarb 15.8 per cent EC @ 0.25 ml/lit and fipronil 5 per cent SC @ 1ml/ lit were found very effective in minimizing the larval population and were superior in reducing the foliage damage and also fetched higher yields of 15.00, 15.11 and 15.33 t/ha, respectively throughout period of experiment. The highest ICBR (50.21) was obtained from the treatment indoxacarb 15.8 per cent EC @ 0.25 ml/lit.Keywords
Agrotis segetum, Emamectin Benzoate, Fipronil, Indoxacarb, Palak, Spoladea recurvalis.
References
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- Evaluation of Poison Baits against Spodoptera litura Fab. (Lepidoptera:Noctuidae) in Spinach
Abstract Views :356 |
PDF Views:0
Authors
Affiliations
1 Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
1 Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
Source
International Journal of Plant Protection, Vol 10, No 1 (2017), Pagination: 122-127Abstract
Choice tests were conducted under laboratory condition to standardize food bait using larvae of S. litura revealed the combination of rice bran + jaggery 20% + yeast 0.1% and rice bran + molasses 10% have proved best in attracting more larval populations. Efficacy of different combinations of poison baits was evaluated under field condition for the management of cutworm population in spinach. The jaggery based bait mixed with spinosad (rice bran + jaggery 20% + yeast 0.1% + spinosad @ 2.5ml/kg) proved best next to spinosad spray in reducing the larval population and leaf damage and thereby increased leaf yield over other baits and untreated control. Hence, jaggery based bait with spinosad may be recommended for management of cutworms in vegetable ecosystem.Keywords
Bait, Spodoptera litura, Spinach, Spinosad, Malathion.References
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- Species Diversity and Population Dynamics of Fruit Flies in Bitter Gourd Ecosystem
Abstract Views :286 |
PDF Views:0
Authors
Affiliations
1 Agricultural and Horticultural Research Station, Kapikad, Ullal, Mangaluru (Karnataka), IN
2 Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
1 Agricultural and Horticultural Research Station, Kapikad, Ullal, Mangaluru (Karnataka), IN
2 Department of Entomology, College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
Source
International Journal of Plant Protection, Vol 12, No 1 (2019), Pagination: 21-27Abstract
Studies related to species diversity and seasonal incidence of fruit flies in drumstick ecosystems were conducted at University of Horticultural Sciences (UHS), Udyanagiri, Bagalkot, India during Rabi 2015-16 and Kharif 2016. During Rabi 2015 Shannon Wiener index (H’) of diversity of the fruit fly population was maximum (H’=0.64) during 6th SMW of (February) 2016. The Pielou’s evenness (J’) value was maximum during 6th SMW of (February) 2016 and 52nd SMW of (December) 2015 (0.92 and 0.79, respectively). The maximum Simpson diversity index value (0.66) was recorded during 6th SMW of (February) 2016. During 2016 maximum H value (H’=0.61) was recorded during 38th followed by 36th SMW of (September) 2016 (0.79). The Pielou’s evenness (J’) ranged from 0.33 to 0.88. Maximum (J’) value was recorded during 38th SMW of (September) 2016 (0.88) and 36th SMW of (September) 2016 (0.79).Keywords
Bitter Gourd, Species Diversity, Population Dynamics, Bactrocera cucurbitae, Bactrocera Spp.References
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- WEBLIOGRAPHY
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