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机构地区:[1]山东农业大学植保系 [2]山东林校
出 处:《农药》1997年第3期6-8,共3页Agrochemicals
摘 要:山东省棉花病害种类共有19种,根据其发病部位和时期等特点,习惯上分为四大类:苗期病害,枯黄萎病、铃部病害和叶部病害,其中危害性最大的是棉花枯萎病和黄萎病。某些年份,立枯病、黑斑病和铃疫病也能引起较大的损失。种植抗病品种是防治棉花病害、特别是枯黄萎病,最安全、经济、有效的措施。合理的农业耕作措施。The important cotton diseases are conventionally devided into four groups:seedling diseases,fungul wilts,ball diseases and leaf diseases ,whose occurrence and control in Shandong Province are discussed.Fusarium and Verticillium wilts of cotton still are the most severe diseascs in the province.Damping off,alternaria leaf spot and ball blight also can cause serious damage to cotton in some years.Planting resistant cultivars of cotton to diseases is the most effective method in the integrated control of cotton diseases,and agricultural practices,seed management and chemical control are neccesary to control cotton diseases.
分 类 号:S435.621[农业科学—农业昆虫与害虫防治]
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