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Position: Home > Articles > Field Control Effect of 40% Pyrimethanil SC against Botrytis cinerea on Allium ascalonicum Modern Agrochemicals 2022,21 (1) 69-71

40%嘧霉胺SC对香葱灰霉病的田间防效

作  者:
吴达粉;丁治军;周金鑫;葛玉林
单  位:
兴化市现代农业发展服务中心
关键词:
灰霉病;香葱;嘧霉胺;病指防效;安全性
摘  要:
为明确40%嘧霉胺SC不同剂量对香葱灰霉病的病指防效和安全性,本研究于2020年开展了40%嘧霉胺SC对香葱灰霉病的田间药效试验研究。结果表明,40%嘧霉胺SC 1 124.44~1 499.25m L/hm2对香葱安全,且随着剂量的增加防效也增加。在香葱灰霉病发病初期2次施药,药后14 d40%嘧霉胺SC 1 124.44、1 311.84和1 499.25 mL/hm23种剂量下,对香葱灰霉病病指防效分别为64.87%、80.11%、89.01%;其1 499.25 mL/hm2的病指防效高于对照组药剂啶酰菌胺。因此,40%嘧霉胺SC可在大面积生产中推广应用,推荐用量为1 311.84~1 499.25 m L/hm2。
译  名:
Field Control Effect of 40% Pyrimethanil SC against Botrytis cinerea on Allium ascalonicum
作  者:
WU Dafen;DING Zhijun;ZHOU Jinxin;GE Yulin;Xinghua Modern Agricultural Development Service Center;
关键词:
Botrytis cinerea;;Allium ascalonicum;;pyrimethanil;;disease index control effect;;safety
摘  要:
In order to clarify the control effect and safety of different doses of 40% pyrimethanil SC against Botrytis cinerea on Allium ascalonicum, the field efficacy test was carried out in 2020. The results showed that 40% pyrimethanil SC 1 124.44-1 499.25 m L/hm~2 was safe for Allium ascalonicum, and the control effect increased with the increase of dosage. When 40% pyrimethanil SC was used two times in the early stage of Botrytis cinerea, the control effects of 40%pyrimethanil SC at dose of 1 124.44, 1 311.84, 1 499.25 m L/hm~2 against Botrytis cinerea after applying 14 d were 64.87%,80.11% and 89.01%, respectively. The control effects of 40% pyrimethanil SC at dose of 1 499.25 m L/hm~2 significantly higher than boscalid. Thus, 40% pyrimethanil SC could be extensively applied in large-scale production, and the recommended dosage was 1 311.84-1 499.25 m L/hm2.

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