WAN Fengling, WANG Wenjie, DENG Yuxin, et al. Investigation on Potato Diseases and Insect Pests in Different Conventional Vegetable Growing Areas in Chongqing and Research on the Contribution Rate of Plant Protection[J]. PLANT HEALTH AND MEDICINE, 2022, (6): 20-31. doi: 10.13718/j.cnki.zwyx.2022.06.003
| Citation: |
WAN Fengling, WANG Wenjie, DENG Yuxin, et al. Investigation on Potato Diseases and Insect Pests in Different Conventional Vegetable Growing Areas in Chongqing and Research on the Contribution Rate of Plant Protection[J]. PLANT HEALTH AND MEDICINE, 2022, (6): 20-31. doi: 10.13718/j.cnki.zwyx.2022.06.003
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Investigation on Potato Diseases and Insect Pests in Different Conventional Vegetable Growing Areas in Chongqing and Research on the Contribution Rate of Plant Protection
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1. College of Plant Protection, Southwest University, Chongqing 400719, China;
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2. National Agricultural Technology Extension Service Center, Beijing 100125, China
More Information
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Received Date:
19/10/2022
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MSC:
S435.32
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Abstract
In order to clarify the occurrence characteristics and distribution of potato diseases and pests in Chongqing and the contribution of plant protection to potato quality and yield improvement, field efficacy tests were conducted in five regions of Chongqing (Youyang, Pengshui, Wushan, Tongliang and Wulong). The results showed that the control effect of disease was 73.62%-84.50%, the control effect of insect pest was 71.35%-84.19%, the recovered yield loss was from 550.14-1 080.17 kg/667 m2, and the contribution rate of plant protection was 28.34%-65.70%. This study is of great significance to correctly evaluate the plant protection work and promote the positive role of continuous control of potato diseases and pests in potato quality and yield improvement.
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