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China/Asia On Demand
Journal Articles
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lu tian jiu cai ku ye zha fang zhi
Author(s): 
Pages: 41
Year: Issue:  13
Journal: Pesticide Market News

Keyword:  防治 枯叶 韭菜 淡褐色 时病 鳞茎 叶片尖端 深绿色 迟眼蕈蚊 潮湿;
Abstract: <正>疫病引起的枯叶受害部位均出现水渍状,叶片与花苔病部为深绿色,而根与鳞茎则为淡褐色,病部均无明显边缘。潮湿时病部产生白色稀疏的霉,干燥时病叶变成枯黄色。染病的植株根、茎软腐不能正
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