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2022 Volume 1 Issue 2
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WU Cuicui, WU Xiaobing, YUAN Hongyin, et al. Preliminary Study on the Control Effect of Different Seed Treatment Agents on Rice Diseases and Insect Pests[J]. PLANT HEALTH AND MEDICINE, 2022, (2): 70-76. doi: 10.13718/j.cnki.zwyx.2022.02.011
Citation: WU Cuicui, WU Xiaobing, YUAN Hongyin, et al. Preliminary Study on the Control Effect of Different Seed Treatment Agents on Rice Diseases and Insect Pests[J]. PLANT HEALTH AND MEDICINE, 2022, (2): 70-76. doi: 10.13718/j.cnki.zwyx.2022.02.011
shu

Preliminary Study on the Control Effect of Different Seed Treatment Agents on Rice Diseases and Insect Pests

  • Agricultural and Animal Husbandry Technology Extension Center of Rugao City, Rugao Jiangsu 226500, China

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  • Received Date: 17/03/2022

  • MSC: S482.3

  • In order to break the bottleneck of pesticide reduction in pests control, and seek a new way of comprehensive prevention and control of rice diseases and insect pests, this study defined the control effect of different doses and different kinds of chemical compound of seed dressing on rice diseases and insect pests before heading through field experiments. The results showed that seed dressing with 40 mL of 240 g/L thiafuramide suspension (SC) or 160 mL of 10% azoxystrobin CS + 16 mL of 48% thiamethoxam SC or 16 mL of 10% trifluoromethylpyrimidine SC + 20 mL of 200 g/L chloramphetamine SC or 20 g of 10% tetrachloromethyl SC had a good control effect on rice sheath blight and rice planthopper. The control effects of diseased plant and disease index on rice sheath blight at boot break stage were 77.58%, 76.94% and 78.62%, 77.24%, respectively. The control effect on rice planthopper was 80.7% and 85.96%, respectively. The control effect on rice leaf roller was not significant. The control effect onpest population and leaf protection at rice panicle exsertionstage were 70.97%, 67.74%, 75.07 and 69.23%, respectively. Moreover, the seed treatment agent was safe for rice growth, and could be widely used as a technical measure for pesticide reduction.
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Preliminary Study on the Control Effect of Different Seed Treatment Agents on Rice Diseases and Insect Pests

  • Received Date: 17/03/2022

Abstract: In order to break the bottleneck of pesticide reduction in pests control, and seek a new way of comprehensive prevention and control of rice diseases and insect pests, this study defined the control effect of different doses and different kinds of chemical compound of seed dressing on rice diseases and insect pests before heading through field experiments. The results showed that seed dressing with 40 mL of 240 g/L thiafuramide suspension (SC) or 160 mL of 10% azoxystrobin CS + 16 mL of 48% thiamethoxam SC or 16 mL of 10% trifluoromethylpyrimidine SC + 20 mL of 200 g/L chloramphetamine SC or 20 g of 10% tetrachloromethyl SC had a good control effect on rice sheath blight and rice planthopper. The control effects of diseased plant and disease index on rice sheath blight at boot break stage were 77.58%, 76.94% and 78.62%, 77.24%, respectively. The control effect on rice planthopper was 80.7% and 85.96%, respectively. The control effect on rice leaf roller was not significant. The control effect onpest population and leaf protection at rice panicle exsertionstage were 70.97%, 67.74%, 75.07 and 69.23%, respectively. Moreover, the seed treatment agent was safe for rice growth, and could be widely used as a technical measure for pesticide reduction.

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