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International Journal of
Entomology Research
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VOL. 9, ISSUE 8 (2024)
Ocurrence of leaf folder, Cnaphalocrosis medinalis (Lepidoptera: Pyralidae) -A major pest of rice in eastern Vidarbha (Maharashtra)
Authors
Madhukar F Jadhao
Abstract

A pest complex of about 23 insect pests belonging to 7 orders and 14 families was recorded and identified during both kharif and rabi seasons. Among the lepidopteran pest species, a leaf folder, Cnaphalocrosis medinalis was infesting rice crop very commonly causing major damage and thus representing major pest status. The peak density of C. medinalis in the kharif season was much higher than that of the rabi season. The damage was severe in the later stage of the crop growth, particularly in shady areas.

The correlation analysis study showed that C. medinalis and its damage had significantly positive correlation with maximum and minimum temperatures and wind velocity during rabi season, whereas it showed highly significant negative correlation with minimum temperature and relative humidity during kharif season. The linear regression equations derived from the present study may helpful in predicting the occurrence of this pest in rice ecosystem of this region.
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Pages:109-112
How to cite this article:
Madhukar F Jadhao "Ocurrence of leaf folder, <i>Cnaphalocrosis medinalis</i> (Lepidoptera: Pyralidae) -A major pest of rice in eastern Vidarbha (Maharashtra)". International Journal of Entomology Research, Vol 9, Issue 8, 2024, Pages 109-112
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