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Vol. 12, Special Issue 6 (2023)

Status of stem borer Scirpophaga incertulas Walker in different direct seeded rice cultivation system and correlation with maximum and minimum temperature

Author(s):
SM Ali Humayun, Gajendra Chandrakar, Chetna Khandekar, Satish Kumar Verma, Sonali Deole and Ashithosh Mohanan
Abstract:
The present investigation was conducted to study the status of yellow stem borer, Scirpophaga incertulas Walker infesting different direct seeded rice cultivation system and its correlation with maximum and minimum temperature at Mahasamund district during Kharif 2020. Results revealed that the initiation of yellow stem borer dead heart infestation was observed with (0.33%/hill) and (0.67%/hill) in wet seeded rice (WSR) and BIASI system respectively during 1st fortnight of July. Maximum peak of dead heart infestation was recorded at 1st fortnight of September in all the cultivation system with (12.33%/hill), (12.67%/hill) and (10.33%/hill) in DSR (dry seeded rice), WSR (wet seeded rice) and BIASI respectively. White ear head infestation was recorded first at 1st fortnight of October in all the studied cultivation system with (6.00%/hill), (6.33%/hill) and (7.00%/hill) in DSR, WSR and BIASI respectively. The maximum white ear head infestation was recorded at 1st fortnight of November with (13.33%/hill), (12.67%/hill) and (10.67%/hill) in DSR, WSR and BIASI. Yellow stem borer dead heart expressed non-significant negative correlation with maximum temperature and non-significant positive correlation with minimum temperature in all cultivation system. Whereas white ear head showed non-significant negative correlation with maximum temperature and minimum temperature in DSR, WSR and BIASI system of rice cultivation.
Pages: 401-403  |  192 Views  107 Downloads
How to cite this article:
SM Ali Humayun, Gajendra Chandrakar, Chetna Khandekar, Satish Kumar Verma, Sonali Deole and Ashithosh Mohanan. Status of stem borer Scirpophaga incertulas Walker in different direct seeded rice cultivation system and correlation with maximum and minimum temperature. The Pharma Innovation Journal. 2023; 12(6S): 401-403.

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