International Journal of Plant Protection

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Estimation of Losses Caused by Rice Leaf Folder, Cnaphalocrosis medinalis Guen. (Lepidoptera:Pyralidae) on Paddy Crop at Jagdalpur (Chhattisgarh)


Affiliations
1 Department of Entomology, College of Agriculture, Indira Gandhi Agricultural University, Raipur (C.G.), India
     

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Studies on estimation of losses caused by rice leaf folder on variety swarna presented regression analysis revealed a non significant negative relation between damaged flag leaves and grain yield in natural infestation (r2 = 0.186) while, a significant negative relation observed in augmented condition (r2 = 0.739).

Keywords

Estimation, Leaf Folder, Paddy Crop, Yield Loss.
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  • Estimation of Losses Caused by Rice Leaf Folder, Cnaphalocrosis medinalis Guen. (Lepidoptera:Pyralidae) on Paddy Crop at Jagdalpur (Chhattisgarh)

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Authors

Chandra Shekhar Netam
Department of Entomology, College of Agriculture, Indira Gandhi Agricultural University, Raipur (C.G.), India
A. K. Gupta
Department of Entomology, College of Agriculture, Indira Gandhi Agricultural University, Raipur (C.G.), India

Abstract


Studies on estimation of losses caused by rice leaf folder on variety swarna presented regression analysis revealed a non significant negative relation between damaged flag leaves and grain yield in natural infestation (r2 = 0.186) while, a significant negative relation observed in augmented condition (r2 = 0.739).

Keywords


Estimation, Leaf Folder, Paddy Crop, Yield Loss.

References