2025 , Vol. 15 >Issue 5: 36 - 40
DOI: https://doi.org/10.11923/j.issn.2095-4050.cjas2024-0068
Preliminary Study on Occurrence and Field Control Effects of Invasive Pest Lissorhoptrus oryzophilus in Ningxia
Received date: 2024-04-07
Revised date: 2024-07-09
Online published: 2025-05-19
Rice water weevil (Lissorhoptrus oryzophilus) is a quarantine pest that has occurred frequently in Ningxia in recent years, with its harmful area continuing to expand, seriously affecting local rice production and trade. The current focus of research and development is to select Lissorhoptrus oryzophilus control agents that are suitable for local prevention and control, with low toxicity, low residue, and high control efficiency. The study selected several chemical and biological pesticides with excellent pest control effects, and verified their effectiveness in controlling Lissorhoptrus oryzophilus through field experiments. Through field experiments, the results showed that the control effect of chlorantraniliprole was always the highest, reaching 63.98% on the first day after treatment, and 91.6% on the 15th day after treatment. Its rapid and sustained effectiveness were superior to other pesticides. The second most effective fungicide was spinetoram, with a 15 day efficacy of 86.31%. Abamectin and pyrethrin could also achieve a control effect of over 80% after 15 days, and had a certain degree of quick effect. The control effect of Beauveria bassiana on Lissorhoptrus oryzophilus for 15 days was 76.8%, and its control effect continued to increase. The five pesticides, chlorantraniliprole, spinetoram, Beauveria bassiana, pyrethrin, and abamectin, have good control effects on Lissorhoptrus oryzophilus. Moreover, Beauveria bassiana, pyrethrin, and abamectin belong to biopesticides and have high promotion value.
LI Zongze , DU Wei , DUAN Xinning , HOU Zeying , SHENG Yubo , WU Ping , SHI Yunyun , LU Zhanjun , ZHOU Xinglong , SUN Yaping , CAO Shujuan . Preliminary Study on Occurrence and Field Control Effects of Invasive Pest Lissorhoptrus oryzophilus in Ningxia[J]. Journal of Agriculture, 2025 , 15(5) : 36 -40 . DOI: 10.11923/j.issn.2095-4050.cjas2024-0068
表1 试验药剂及生产厂家 |
处理 | 药剂名称 | 生产厂家 | 药剂用量/hm2 |
---|---|---|---|
1 | 400亿孢子/g白僵菌WG | 山西绿海农药科技有限公司 | 450 g |
2 | 1.5%除虫菊素EW | 内蒙古清源保生物科技有限公司 | 1500 mL |
3 | 1.8%阿维菌素EC | 桂林集琦生化有限公司 | 600 mL |
4 | 2%苦参碱AS | 天津艾格福农药科技有限公司 | 750 mL |
5 | 60 g/L乙基多杀菌素SC | 科迪华农业科技有限责任公司 | 450 mL |
6 | 5%氯虫苯甲酰胺SC | 深圳诺普信农化股份有限公司 | 600 mL |
表2 不同杀虫剂对稻水象甲成虫的防治效果 % |
处理 | 药剂名称 | 1 d | 3 d | 7 d | 15 d |
---|---|---|---|---|---|
1 | 白僵菌400亿孢子/g水分散粒剂 | 13.89 Aa | 36.11 Aa | 59.34 Aa | 76.81 ABab |
2 | 1.5%除虫菊素水乳剂 | 53.17 BCcd | 69.44 Abc | 75.40 ABab | 82.46 ABab |
3 | 1.8%阿维菌素乳油 | 22.22 Aab | 61.57 Aabc | 78.28 ABab | 82.01 ABab |
4 | 2%苦参碱水剂 | 25.00 Aab | 47.22 Aab | 68.18 ABa | 67.02 Aa |
5 | 60 g/L乙基多杀菌素悬浮剂 | 33.70 ABbc | 59.44 Aab | 79.90 ABab | 86.31 ABb |
6 | 5%氯虫苯甲酰胺悬浮剂 | 63.98 Cd | 80.56 Ac | 90.78 Bb | 91.60 Bb |
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