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Vol. 12, Special Issue 9 (2023)

Management of yellow stem borer, Scirpophaga incertulas (Walker) in rice by using different eco-friendly methods at Dehradun District of Uttarakhand

Author(s):
Hitendra Kumar, Sarvendra Singh and Ravindra Kumar
Abstract:
The study was carried out at farmer’s field in Doiwala area of district Dehradun, Uttarakhand during kharif-2021 and 2022 to assess the effectiveness of different eco-friendly methods of pest management against Scirpophaga incertulas (Walker) in rice. Pheromone traps and lures of two different brands were used in this study. The traps were installed at a spacing of 25 m X 20 m on two meter high wooden sticks. Weekly counts were made on the S. incertulas male moths held in the polythene sleeves of traps. To measure the damage of S. incertulas, total number of tillers and number of dead hearts in vegetative stage and number of panicle bearing tillers and white ear head during reproductive stage were also counted on randomly selected hills in each treatment. The average number of insects trapped was relatively high in treatment I, where only pheromone traps were installed and no chemical was applied, as compared to treatment II and III. Without pheromone mass trapping or insecticide spraying, treatment IV shown a noticeably greater infestation during the fourth week of September. Results revealed that level of attack was less in second and third week of August during 2022 in treatment II and III. The benefit cost ratio of treatment II installed with pheromone traps @ 20/ha along with application of Azadirachtin 5.00% was cost effective for management of S. incertulas in rice at Doiwala area of Dehradun during both year of study.
Pages: 191-195  |  106 Views  52 Downloads
How to cite this article:
Hitendra Kumar, Sarvendra Singh and Ravindra Kumar. Management of yellow stem borer, Scirpophaga incertulas (Walker) in rice by using different eco-friendly methods at Dehradun District of Uttarakhand. The Pharma Innovation Journal. 2023; 12(9S): 191-195.
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