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Subramanya, S.
- Seasonality and Nesting Pattern of Warblers in Ragi Fields
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Authors
Affiliations
1 Department of Entomology, College of Horticulture, Mudigere, Chickmagalur Karnataka, IN
2 Department of Entomology, Post Harvest Technology Scheme, University of Agricultural Sciences, G.K.V.K. Bengaluru Karnataka, IN
1 Department of Entomology, College of Horticulture, Mudigere, Chickmagalur Karnataka, IN
2 Department of Entomology, Post Harvest Technology Scheme, University of Agricultural Sciences, G.K.V.K. Bengaluru Karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 135-138Abstract
Insectivorous warblers, namely, Indian wren-warbler, Prinia subflava Sykes (IWW), streaked fantail warbler, Cisticola juncidis (Franklin) (SFW) and ashy wren-warbler, Prinia socialis Sykes (AWW) were found frequently in ragi fields. The seasonality of the warblers was observed from August to July. The commencement of seasonal activity of Indian wren-warbler started with the onset of crop tillering. There was continuous increase in their population till earhead maturity and declined then onwards till the crop was harvested. Such a trend was not observed in case of streaked fantail warbler and ashy wren-warbler. Their population was found to be stable throughout the cropping season. All the three species utilized ragi fields for nesting. These insectivorous warblers placed their nests at different heights of the crop stand. The heights of the nests positively correlated with the plant heights (r=0.74; y=7.01+0.67; p< 0.001; SE=7.76).Keywords
Insectivorous Warblers, Prinia Subflava, Streaked Fantail Warbler, Cisticola Juncidis, Prinia Socialis- Impact of Warblers with Special Reference to Indian Wrenwarbler, prinia Subflava sykes on Insect Pests of Ragi
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Authors
Affiliations
1 Department of Entomology, College of Horticulture, Mudigere, CHICKMAGALUR Chickmagalur Karnataka, IN
2 Department of Entomology, Post Harvest Technology Scheme, University of Agricultural Sciences, G.K.V.K. Bengaluru Karnataka, IN
1 Department of Entomology, College of Horticulture, Mudigere, CHICKMAGALUR Chickmagalur Karnataka, IN
2 Department of Entomology, Post Harvest Technology Scheme, University of Agricultural Sciences, G.K.V.K. Bengaluru Karnataka, IN