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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Fungicide Formulations Influence Their Control Efficacy by Mediating Physicochemical Properties of Spray Dilutions and Their Interaction with Target Leaves
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Fungicide Formulations Influence Their Control Efficacy by Mediating Physicochemical Properties of Spray Dilutions and Their Interaction with Target Leaves

机译：杀菌剂制剂通过介导喷雾稀释液的物理化学性能及其与靶叶的相互作用来影响它们的对照效果

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摘要

In this study, three types of pyraclostrobin formulations (including emulsifiable concentrate (EC), suspension concentrate (SC), and microcapsules (MCs)) were used to control cucumber anthracnose. Pyraclostrobin EC had the highest inhibitory activity against Colletotrichum orbiculare in vitro. Much different from the bioactivity in vitro, pyraclostrobin MCs exhibited the highest control efficacy on cucumber anthracnose both in pot and field experiments. The physicochemical properties (particle size, surface tension) of the spray dilution, their interaction with target leaves (contact angle, adhesional tension, work of adhesion, retention, crystallization) and dissipation dynamic of the active ingredient were found to be highly potential factors that would significantly influence the control efficacy of pesticide formulations. Results showed that the control efficacies of different formulations of pyraclostrobin were determined mainly by the final behavior of the pesticides at the target interface, namely, the retention, crystallization, and dissipation dynamics of active ingredients. This study had revealed crucial factors that would influence the efficacy of different formulations of pyraclostrobin and thus could guide the rational and efficient use of different formulations of pesticides on target crops.
机译：在该研究中，使用三种类型的吡咯磷脂制剂（包括可乳化浓缩物（EC），悬浮浓缩物（SC）和微胶囊（MCS））来控制黄瓜炭疽病。 PyraclostrobinEC在体外对Collettrichum Orbiculare具有最高的抑制活性。与体外的生物活性不同，Pyraclostrobin MCS在罐和现场实验中表现出对黄瓜炭疽病的最高控制效果。发现喷雾稀释的物理化学性质（粒度，表面张力），它们与靶叶的相互作用（接触角，粘附，粘附，粘附，结晶）和活性成分的耗散动态的偏移是高潜在的因素会显着影响农药制剂的控制效果。结果表明，Pyraclostrobin的不同配方的控制效果主要是通过靶界面的杀虫剂的最终行为，即活性成分的保留，结晶和耗散动态来确定。本研究揭示了影响捕获毒素的不同配方的关键因素，从而引导了对目标作物的不同配方的合理和有效地利用不同配方。

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  • 作者

    Li Xiao-xu; Liu Yang; He Li-fei; Gao Yang-yang; Mu Wei; Zhang Peng; Li Bei-xing; Liu Feng;

  • 作者单位

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Nankai Univ Coll Environm Sci &

    Engn Tianjin 300350 Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

    Shandong Agr Univ Coll Plant Protect Key Lab Pesticide Toxicol &

    Applicat Tech Tai An 271018 Shandong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 营养卫生、食品卫生;农业科学;
  • 关键词

    pyraclostrobin; Colletotrichum orbiculare; cucumber; pesticide formulation; crystal; dissipation dynamic;

    机译：Pyraclostrobin;Colletotrichum Orbiculare;黄瓜;农药配方;晶体;耗散动态;

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