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首页> 外文会议>International Turfgrass Society research journal >IMPACT OF SPRING AND FALL FUNGICIDE TIMINGS ON THE DEVELOPMENT OF TYPHULA BLIGHT AND DOLLAR SPOT ON GOLF COURSE TURFGRASS
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IMPACT OF SPRING AND FALL FUNGICIDE TIMINGS ON THE DEVELOPMENT OF TYPHULA BLIGHT AND DOLLAR SPOT ON GOLF COURSE TURFGRASS

机译：春季和秋季杀真菌剂的定时对高尔夫球场田鼠枯萎病和美元斑病发展的影响

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摘要

The primary diseases of creeping bentgrass and annual bluegrass in the Great Lakes region of the United States are dollar spot,Typhula blight,and Microdochium patch.Successful management of these diseases can require ten or more fungicide applications per year.This study was conducted to determine whether spring and fall fungicide applications have a cumulative impact on development of these primary turfgrass diseases relative to spring and fall applications alone.A significant impact may result in reduced disease severity and lower fungicide requirements.Combinations of fungicide applications made in early fall,late fall,early spring,and late spring were evaluated in 2009,2010,and 2011 in Wisconsin for their ability to manage Microdochium patch,Typhula blight,and dollar spot throughout the year.In general,treatments containing two springtime fungicide applications provided the most significant reductions in dollar spot development into late July of both 2009 and 2010.Treatments containing one springtime fungicide application also provided a significant reduction in dollar spot into July,while early fall applications provided a minor reduction in dollar spot.Late fall applications did not reduce dollar spot severity but were required for acceptable management of Typhula blight.Springtime fungicide applications delayed dollar spot onset until mid to late July,which could eliminate the need for one or possibly two fungicide applications without sacrificing turfgrass quality.Even this minor reduction in fungicide usage can result in significant financial and environmental benefits for the golf course manager.
机译：在美国大湖地区，弯曲的草丛和一年生的草丛的主要疾病是美元斑，风疹病和Microdochium斑块。对这些疾病的成功管理每年可能需要施用十种或更多种杀真菌剂。本研究旨在确定相对于单独使用春季和秋季，春季和秋季杀菌剂施用是否对这些原发性草皮草疾病的发展产生累积影响。重大影响可能导致疾病严重程度降低和对杀菌剂的需求降低。 ，2009年，2010年和2011年在威斯康星州评估了春季，初春和春季末期它们在一年中处理微Micro补丁，鼠伤寒和美元斑点的能力。总的来说，包含两种春季杀真菌剂的处理减少最多到2009年和2010年7月下旬的美元现货开发。春季使用的一种杀菌剂到7月还显着降低了美元的现货价格，早期的秋季施用则使美元的现货价格略有下降。秋季的施用并没有降低美元的严重程度，但是对Typhula枯萎病的可接受管理所必需的。将美元即期交货推迟到7月中旬至下旬，这可以在不牺牲草皮质量的情况下消除对一种或两种杀真菌剂的需求。即使这种杀真菌剂用量的少量减​​少，也可以为高尔夫球场经理带来显着的财务和环境效益。

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