不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

刘露; 刘铭; 杨露

doi:10.13718/j.cnki.zwyx.2023.01.004

植物医学

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不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

, ,

刘露, 刘铭, 杨露. 不同杀菌剂对桂花灰斑病病原菌的室内毒力评价[J]. 植物医学, 2023, (1): 25-33. doi: 10.13718/j.cnki.zwyx.2023.01.004

引用本文:

刘露, 刘铭, 杨露. 不同杀菌剂对桂花灰斑病病原菌的室内毒力评价[J]. 植物医学, 2023, (1): 25-33. doi: 10.13718/j.cnki.zwyx.2023.01.004

LIU Lu, LIU Ming, YANG Lu. Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot[J]. PLANT HEALTH AND MEDICINE, 2023, (1): 25-33. doi: 10.13718/j.cnki.zwyx.2023.01.004

Citation:

LIU Lu, LIU Ming, YANG Lu. Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot[J]. PLANT HEALTH AND MEDICINE, 2023, (1): 25-33. doi: 10.13718/j.cnki.zwyx.2023.01.004

不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

1. 重庆三峡职业学院, 重庆万州 404155;

2. 重庆三峡学院, 重庆万州 404020

详细信息

作者简介:
刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究. .

中图分类号: S432.4

Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot

1. Chongqing Three Gorges Vocational College, Wanzhou Chongqing 404155, China;

2. Chongqing Three Gorges University, Wanzhou Chongqing 404020, China

摘要: 为筛选有效防治桂花灰斑病的高效低毒的杀菌剂,为该病的防控提供研究基础,本研究采用菌丝生长速率法分别测定6种化学农药和5种生物农药对桂花灰斑病病原菌的室内毒力.结果表明,11种药剂对桂花灰斑病病原菌生长的抑制率明显不同,但化学农药抑菌效果普遍比生物农药好.其中,在化学农药中,10%苯醚甲环唑和500 g/L异菌脲悬浮剂抑菌效果表现最好,EC₅₀值分别为0.33μg/mL和0.52μg/mL; 50%氯溴异氰尿酸素抑菌效果最差,EC₅₀仅为117.54μg/mL.在生物农药中,3%四霉素的抑菌效果较好,EC₅₀值为40.83μg/mL;其次是100亿芽孢/克枯草芽孢杆菌,EC₅₀值为63.73μg/mL;抑菌效果最差的是3%中生菌素,EC₅₀为1 341.60μg/mL.在农业生产中,化学农药可选用10%苯醚甲环唑、 500 g/L异菌脲悬浮剂、 430 g/L戊唑醇、 300 g/L苯甲·丙环唑进行防治,能达到快速有效的防治效果;生物农药则可选用3%四霉素、 100亿芽孢/g枯草芽孢杆菌来进行防治.
- 桂花 /
- 灰斑病 /
- 杀菌剂 /
- 室内毒力测定
Abstract: To screen effective and low-toxic fungicides for the prevention and control of gray spot disease of Osmanthus fragrans, and provide research basis for the prevention and control of the disease, the indoor toxicity of 6 chemical pesticides and 5 biological pesticides to the pathogen of Pestalotiopsis scirrofaciens was determined by the mycelial growth rate method. The results showed thatthe inhibitory rates of 11 kinds of pesticides on the growth of the pathogen of Pestalotiopsis scirrofaciens quite different, but the inhibitory effects of chemical pesticides were generally better than the biological pesticides. Among the chemical pesticides, 10% difenoconazole and 500 g/L Isocarburon suspension had the best bacteriostatic effect, with EC₅₀ values of 0.33 μg/mL and 0.52 μg/mL, respectively. The bacteriostatic effect of 50% Chlorobromoisocyanuratewas the worst, EC₅₀was only 117.54 μg/mL.Among biopesticides, 3% tetracycline had a good bacteriostatic effect, with an EC₅₀ value of 40.83 μg/mL. The second was 10 billion spores/gram of Bacillus subtilis, with an EC₅₀ value of 63.73 μg/mL. The worst bacteriostatic effect was 3% Mesobiotin, the EC₅₀was 1,341.60 μg/mL.In agricultural production, 10% difenoconazole, 500 g/L Isocarburon suspension agent, 430 g/L tebuconazole and 300 g/L Benzofeniconazole can be chosen as chemical pesticides to achieve rapid and effective control effect. Biological pesticides control can use 3% tetracycline and 10 billion spores/gram of Bacillus subtilis.
- Osmanthus /
- gray spot disease /
- fungicides /
- indoor toxicity determination .

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不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

作者简介: 刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究.
1. 重庆三峡职业学院, 重庆万州 404155;

2. 重庆三峡学院, 重庆万州 404020

收稿日期: 2022-12-18

基金项目:

关键词:

摘要: 为筛选有效防治桂花灰斑病的高效低毒的杀菌剂,为该病的防控提供研究基础,本研究采用菌丝生长速率法分别测定6种化学农药和5种生物农药对桂花灰斑病病原菌的室内毒力.结果表明,11种药剂对桂花灰斑病病原菌生长的抑制率明显不同,但化学农药抑菌效果普遍比生物农药好.其中,在化学农药中,10%苯醚甲环唑和500 g/L异菌脲悬浮剂抑菌效果表现最好,EC₅₀值分别为0.33μg/mL和0.52μg/mL; 50%氯溴异氰尿酸素抑菌效果最差,EC₅₀仅为117.54μg/mL.在生物农药中,3%四霉素的抑菌效果较好,EC₅₀值为40.83μg/mL;其次是100亿芽孢/克枯草芽孢杆菌,EC₅₀值为63.73μg/mL;抑菌效果最差的是3%中生菌素,EC₅₀为1 341.60μg/mL.在农业生产中,化学农药可选用10%苯醚甲环唑、 500 g/L异菌脲悬浮剂、 430 g/L戊唑醇、 300 g/L苯甲·丙环唑进行防治,能达到快速有效的防治效果;生物农药则可选用3%四霉素、 100亿芽孢/g枯草芽孢杆菌来进行防治.

English Abstract

Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot

1. 重庆三峡职业学院, 重庆万州 404155;
2. 重庆三峡学院, 重庆万州 404020

Received Date: 2022-12-18

Keywords:

Abstract: To screen effective and low-toxic fungicides for the prevention and control of gray spot disease of Osmanthus fragrans, and provide research basis for the prevention and control of the disease, the indoor toxicity of 6 chemical pesticides and 5 biological pesticides to the pathogen of Pestalotiopsis scirrofaciens was determined by the mycelial growth rate method. The results showed thatthe inhibitory rates of 11 kinds of pesticides on the growth of the pathogen of Pestalotiopsis scirrofaciens quite different, but the inhibitory effects of chemical pesticides were generally better than the biological pesticides. Among the chemical pesticides, 10% difenoconazole and 500 g/L Isocarburon suspension had the best bacteriostatic effect, with EC₅₀ values of 0.33 μg/mL and 0.52 μg/mL, respectively. The bacteriostatic effect of 50% Chlorobromoisocyanuratewas the worst, EC₅₀was only 117.54 μg/mL.Among biopesticides, 3% tetracycline had a good bacteriostatic effect, with an EC₅₀ value of 40.83 μg/mL. The second was 10 billion spores/gram of Bacillus subtilis, with an EC₅₀ value of 63.73 μg/mL. The worst bacteriostatic effect was 3% Mesobiotin, the EC₅₀was 1,341.60 μg/mL.In agricultural production, 10% difenoconazole, 500 g/L Isocarburon suspension agent, 430 g/L tebuconazole and 300 g/L Benzofeniconazole can be chosen as chemical pesticides to achieve rapid and effective control effect. Biological pesticides control can use 3% tetracycline and 10 billion spores/gram of Bacillus subtilis.

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不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

1. 重庆三峡职业学院, 重庆 万州 404155; 2. 重庆三峡学院, 重庆 万州 404020

作者简介: 刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究. .

Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot

1. Chongqing Three Gorges Vocational College, Wanzhou Chongqing 404155, China; 2. Chongqing Three Gorges University, Wanzhou Chongqing 404020, China

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不同杀菌剂对桂花灰斑病病原菌的室内毒力评价

作者简介: 刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究. 1. 重庆三峡职业学院, 重庆 万州 404155; 2. 重庆三峡学院, 重庆 万州 404020

English Abstract

Toxicity Evaluation of Different Fungicides to the Pathogen of Osmanthus Gray Spot

全文HTML

目录

1. 重庆三峡职业学院, 重庆万州 404155;

2. 重庆三峡学院, 重庆万州 404020

作者简介:
刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究. .

1. Chongqing Three Gorges Vocational College, Wanzhou Chongqing 404155, China;

2. Chongqing Three Gorges University, Wanzhou Chongqing 404020, China

作者简介: 刘露,讲师,主要从事植物病害的鉴定及绿色防控方面的研究.
1. 重庆三峡职业学院, 重庆万州 404155;

2. 重庆三峡学院, 重庆万州 404020