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In Vitro and In Vivo Effect of Poplar Bud Extracts on Phytophthora infestans: A New Effective Biological Method in Potato Late Blight Control

机译:杨树芽提取物对疫霉疫霉的体外和体内作用:马铃薯晚疫病防治中一种新的有效生物方法

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摘要

The effect of populin extract from black poplar ( ) on seven different late blight strains was tested under laboratory and field conditions. The growth rate of hyphae was found to be significantly lower in vitro after 3 and 4 / % populin applications. Stain M16 was resistant to populin treatment under lab conditions, however. Both 5% and 10% concentration populin reduced the M16 strain’s severity on potato leaves under field conditions and proved to be even more effective than conventionally used fungicides Infinito 687 Sc and Valis M. Higher infection intensity at the 1% level was observed after 24 h using Valis M, and the same trend toward 10% infection remained after 48 and 72 h as well. Low, almost-no-infection intensity was detected after populin 5% and 10% treatment under an open field condition. Altogether, it can be concluded that populin extract can be a low-cost option for growers and an environmentally friendly approach in late blight control.
机译:在实验室和田间条件下测试了黑杨()的府绸提取物对7种不同晚疫病菌株的影响。发现在应用3%和4%的Populin体外,菌丝的生长速率显着降低。但是,在实验室条件下,M16染色剂对白蛋白处理具有抗性。浓度为5%和10%的Populin均可降低田间条件下马铃薯叶片上M16菌株的病情,并被证明比常规使用的杀菌剂Infinito 687 Sc和Valis M更有效。24小时后,在1%的水平上观察到更高的感染强度使用Valis M,在48和72小时后,仍保持10%感染的相同趋势。在野外条件下分别进行5%和10%的蛋白处理后,检测到的感染强度很低,几乎没有。总而言之,可以得出结论,对于种植者而言,populin提取物可以是一种低成本的选择,并且是一种环境友好的晚疫病防治方法。

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