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PDF(119 KB)
PDF(119 KB)
苹果树腐烂病流行因素研究:果园内病原体密度与侵染发病关系
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}STUDIES ON THE EPIDEMIC FACTORS OF APPLE TREE CANKER (VALSA MALIMIYABE ET YAMADA):INFECTION AND OCCURRENCE OF THE DISEASE AS RELATED TO PATHOGEN DENSITY IN THE ORCHARD
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