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Impact of Weather Parameters on Incidence of Green Leaf Hopper in Rice

Author: Thorat S.S., Sisodiya D.B. and Gangwar R.K.

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Abstract

The experiment was carried out on impact of weather parameters on incidence of green leaf hopper in rice at Main Rice Research Station, Anand Agricultural University, Nawagam during Kharif, 2021 and 2022. The incidence of green leaf hopper initiated at stem elongation stage of the crop (0.28 hopper/ hill) i.e., 37th SMW; (2nd week of September and 28 DAT). Subsequently, the population oscillated and reached peak (2.96 hoppers/ hill) at milky grain stage of the crop i.e., 42nd SMW (2nd week of October and 63 DAT) following gradually decreased and reaching minimum at mature grain stage. The data on correlation between population of green leaf hopper incidence and weather parameters showed negative correlation between green leaf hopper incidence with minimum temperature (MinT, r=-0.215), morning relative humidity (RH1, r=-0.119), evening relative humidity (RH2, r=-0.305), rainfall (r=-259) and rainy days (r=-0.309) while, positive association with maximum temperature (MaxT, r=0.248) and bright sunshine hours (BSS, r=0.425)

Keywords

Correlation, Green Leaf Hopper, Growth stages, Rice and Weather data

Conclusion

The study conducted that, the incidence of green leaf hopper commenced at the stem elongation stage and peaked at the milky grain stage and its declining at the mature grain stage. Correlation analysis revealed that GLH incidence had a negative relationship with minimum temperature, morning and evening relative humidity, rainfall and rainy days. Conversely, it showed a positive association with maximum temperature and bright sunshine hours. These findings highlight the influence of specific weather parameters on GLH dynamics in rice crops

References

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How to cite this article

Thorat S.S., Sisodiya D.B. and Gangwar R.K. (2024). Impact of Weather Parameters on Incidence of Green Leaf Hopper in Rice. Biological Forum – An International Journal, 16(11): 112-114.