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Incorporating Adjuvants with Captan to Manage Common Apple Diseases

机译：将佐剂与Captan合并以管理常见的苹果疾病

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摘要

Captan has become an increasingly important fungicide in the management of common apple diseases such as apple scab (Venturia inaequalis) and bitter rot (Colletotrichum spp.) due to the low risk of fungicide resistance evolving in either pathogen population to this product. Restrictions on the amount of captan that can be applied per season limits the amount and the number of applications a grower may use, resulting in control failures during high disease pressure years. This 3-year field study evaluated how adjuvants combined with captan affected the incidence and severityof apple scab and bitter rot on two different apple cultivars. Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan. The addition of these adjuvants also resulted in possible yield losses due to russetting caused by phytotoxicity. The overall benefits of incorporating adjuvants with captan based on this study could reduce disease incidence while potentially saving a grower up to $5,329 ha due to fungicide reduction.
机译：由于在本产品中的病原体种群中的杀菌剂抗性的低风险低，Captan在普通苹果疾病中，Captan已成为普通苹果疾病的常见杀菌剂，例如苹果结肠（Venturia InaAlis）和苦味腐败（Colletotrichum SPP）。限制可在每季应用的Captan的数量限制了种植者可以使用的应用数量和应用程序数量，导致在高疾病压力年内控制失败。这项3年的田间研究评估了佐剂如何与Captan相结合影响苹果结痂的发病率和严重程度，并在两种不同的苹果品种上腐烂。结果表明，通过增加覆盖率和覆盖率，Li700 Plus Captan和Captan Max Plus Captan Max Plus Captan Max Plus Captan Park Plus Captan Cash和Bitter Rod的疾病发病率降低。由于植物毒性引起的眉毛，增加这些佐剂也导致可能的产量损失。基于该研究将佐剂与Captan的佐剂纳入疾病发病的总体益处可以降低疾病发病率，同时由于杀菌剂还原，潜在节省了高达5,329公顷的种植者。

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  • 来源
    《Plant Disease》 |2018年第1期|共6页
  • 作者

    Chelsi P. Abbott; Janna L. Beckerman;

  • 作者单位

    Department of Botany and Plant Pathology Purdue University West Lafayette IN 47907;

    Department of Botany and Plant Pathology Purdue University West Lafayette IN 47907;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
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