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首页> 外文期刊>Plant Pathology Journal >Sensitivity to Hydrogen Peroxide in vitro of North American Isolates of Phytophthora erythroseptica, the Cause of Pink Rot of Potatoes
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Sensitivity to Hydrogen Peroxide in vitro of North American Isolates of Phytophthora erythroseptica, the Cause of Pink Rot of Potatoes

机译：北美疫霉疫菌北美分离株对过氧化氢的敏感性，马铃薯粉红色腐烂的原因

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摘要

In vitro laboratory studies were conducted to test the efficacy of hydrogen peroxide (OxiDate~(TM)) in inhibiting the growth of the pink rot of potato fungus, Phytophthora erythroseptica. In addition to the control, three concentrations (1:250, 1:100and 1:50 of hydrogen peroxide to water) were tested. A total of 40 different P. erythroseptica isolates originated from New Brunswick and Prince Edward Island (Canada) and from Maine, Idaho, Minnesota, Oregon and Wisconsin (USA) were subjected to the various concentrations of hydrogen peroxide in a replicated experiment using a Completely Randomized Design. Growth of all isolates was completely inhibited when the 1:50 concentration was used. At the 1:100 concentration, growth of 94.2% of the isolates tested was completely inhibited. At the lowest concentration of 1:250, the growth of 41.4% of the isolates tested was completely inhibited. The results of this study suggest that hydrogen peroxide has the potential to be used for post harvest treatment ofpotatoes against P. erythroseptica that might be present on the surface of the tubers.
机译：进行了体外实验室研究以测试过氧化氢（OxiDate TM）在抑制马铃薯真菌红霉疫菌（Phytophthora erythroseptica）的粉红色腐烂中的功效。除了对照之外，还测试了三种浓度（过氧化氢与水的比例为1：250、1：100和1:50）。在重复实验中，对来自新不伦瑞克省和爱德华王子岛（加拿大）以及缅因州，爱达荷州，明尼苏达州，俄勒冈州和威斯康星州（美国）的总共40种不同的体育红杆菌进行了不同浓度的过氧化氢试验，使用完全随机设计。当使用1:50的浓度时，所有分离株的生长被完全抑制。在1：100的浓度下，测试的分离株94.2％的生长被完全抑制。在1：250的最低浓度下，测试的分离株的41.4％的生长被完全抑制。这项研究的结果表明，过氧化氢具有潜力用于马铃薯的收获后处理，以预防块茎表面可能存在的红腐病菌。

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