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对柑桔疮痂病,习惯上只在春季喷药防治。据实际观察,疮痂病病菌不仅浸染春、夏梢及幼果,也可危害秋梢。特别是当春季防治不力时,秋季受害尤其严重。为此,除应加强春季防治外,秋季也应注意防治。我们实施的结果表明,秋季喷药防治柑桔疮痂病除能保护秋梢外,还能明显减少越冬病原,减轻
Citrus scab, customarily only spray in the spring prevention and treatment. According to the actual observation, the scab pathogen not only infects the spring, summer shoots and young fruit, but also endanger the autumn shoots. Especially in the spring when the poor prevention and control, the fall is particularly serious. To this end, in addition to strengthening the spring prevention and control, autumn should also pay attention to prevention and treatment. The results of our implementation show that in autumn, spraying pesticides to prevent and treat citrus scab can not only protect autumn tips but also significantly reduce overwintering pathogens and relieve