Managing bacterial diseases depends mostly on host plant resistance, quarantine, sanitation, and cultural practices.
管理植物细菌性病害主要依靠寄主植物抗性, 检疫, 田间卫生和栽培措施.
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He saw it most vividly in the relationship between a butterfly and its host plant.
而他是从蝴蝶与其宿主植物之间的关系中清楚地看到了这一谜题的影子.
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