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环磺酮的除草活性及对玉米的安全性评价
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引用本文:汪雅妃,柴茵,胡伟,殷凡,张晶旭,王时兵,赵宁,操海群,廖敏.环磺酮的除草活性及对玉米的安全性评价.植物保护学报,2024,51(2):369-376
DOI:10.13802/j.cnki.zwbhxb.2024.2023032
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作者单位E-mail
汪雅妃 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
柴茵 安徽农业大学植物保护学院, 合肥 230036  
胡伟 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
殷凡 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
张晶旭 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
王时兵 安徽久易农业股份有限公司, 合肥 230000  
赵宁 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
操海群 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
 
廖敏 安徽农业大学植物保护学院, 合肥 230036
安徽农业大学农产品质量与生物安全教育部重点实验室, 安徽省绿色农药研发与应用工程实验室, 合肥 230036 
liaomin3119@126.com 
中文摘要:为明确环磺酮在我国玉米田的应用技术和前景,采用温室盆栽法测定环磺酮的杀草谱和对常见杂草的除草活性以及对不同玉米品种的安全性,并通过田间药效试验验证其应用效果。结果表明,在100 g (a.i.)/hm2田间推荐剂量下进行茎叶处理时,环磺酮可以有效防除玉米田常见禾本科、莎草科和阔叶杂草,其中对反枝苋Amaranthus retroflexus、鳢肠Eclipta prostrata的活性较高,鲜重抑制率可达90%以上;对6种常见玉米田杂草稗Echinochloa crus-galli、马唐Digitaria sanguinalis、圆叶牵牛Ipomoea purpurea、反枝苋、碎米莎草Cyperus iria和青葙Celosia argentea的生长抑制中量GR50分别为8.44、17.16、9.37、8.68、9.40和32.51 g (a.i.)/hm2,在供试剂量下环磺酮的除草活性均高于对照药剂硝磺草酮;田间推荐剂量下环磺酮对除黑糯301品种以外的11个玉米品种均较为安全,提高到2倍推荐剂量时,对不同玉米品种的生长抑制均增强;环磺酮对郑单958、珍珠糯8号、苏科甜1506和中糯2号4个玉米品种以及稗、马唐、圆叶牵牛、反枝苋、碎米莎草和青葙6种杂草之间均具有较好的选择性,选择性指数为10.40~29.14。田间药效试验表明,126 g (a.i.)/hm2环磺酮处理茎叶后第28天,对玉米田杂草稗、马唐、狗尾草Setaria viridis、香附子Cyperus rotundus、圆叶牵牛、空心莲子草Alternanthera philoxeroides的总株防效为86.51%,鲜重防效为87.81%,且对供试玉米品种彩甜糯102安全。
中文关键词:环磺酮  除草活性  安全性  田间药效
 
Evaluation of the herbicidal activity and safety of tembotrione to maize
Author NameAffiliationE-mail
Wang Yafei School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Chai Yin School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China  
Hu Wei School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Yin Fan School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Zhang Jingxu School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Wang Shibing Anhui Jiuyi Agriculture Co., Ltd., Hefei 230000, Anhui Province, China  
Zhao Ning School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Cao Haiqun School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
 
Liao Min School of Plant Protection, Anhui Agricultural University, Hefei 230036, Anhui Province, China
Engineering Laboratory for Green Pesticide Development and Application
Key Laboratory of Agro-Products Quality and Biosafety(Ministry of Education), Anhui Agricultural University, Hefei 230036, Anhui Province, China 
liaomin3119@126.com 
Abstract:To explore the application procedures and potential of tembotrione in maize fields in China, the herbicidal spectrum of tembotrione and its weed control activity against common weeds, as well as its safety on different maize varieties, were determined using the greenhouse pot experiment method. Field efficacy trials were conducted to verify its effects. The results showed that when post-emergence herbicides (POST) was applied at the recommended field rate (RFR) of 100 g (a.i.)/hm2, tembotrione could effectively control common grasses, sedges, and broad-leaved weeds in maize fields. It exhibited high activity against Amaranthus retroflexus and Eclipta prostrata, with a fresh weight inhibition rate reaching over 90%. The tembotrione rates resulting in a 50% growth reduction for six common weeds from maize fields, including Echinochloa crus-galli, Digitaria sanguinalis, Ipomoea purpurea, A. retroflexus, Cyperus iria, and Celosia argentea, were 8.44, 17.16, 9.37, 8.68, 9.40, and 32.51 g (a.i.)/hm2, respectively, with the herbicidal activity of tembotrione higher than the control herbicide mesotrione when applied at the tested rates. Under the RFR, tembotrione was relatively safe for all 11 maize varieties except for Heinuo 301. When the RFR was increased two-fold, growth inhibition in different maize varieties was enhanced. Tembotrione showed good selectivity between four maize varieties, Zhengdan 958, Zhenzhunuo 8, Suketian 1506, and Zhongnuo 2, as well as six weeds, including E. crus-galli, D. sanguinalis, I. purpurea, A. retroflexus, C. iria, and C. argentea, with a selectivity index ranging from 10.40 to 29.14. Field efficacy trials indicated that at 28 d after POST treatment with 126 g (a.i.)/hm2 of tembotrione, the total plant control efficacy against weeds such as E. crus-galli, D. sanguinalis, Setaria viridis, Cyperus rotundus, I. purpurea, and Alternanthera philoxeroides in maize fields was 86.51%, and the fresh weight control efficacy was 87.81%, while it was safe for the tested maize variety Caitiannuo 102.
keywords:tembotrione  herbicidal activity  safety  field efficacy
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