滇西南植胶区橡胶树白粉病发生规律

Chinese Journal of Tropical Agriculture(2022)

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Abstract
对滇西南植胶区橡胶树白粉病进行了定点定期观测,对其发生规律与消长进行了调查.结果表明,滇西南植胶区橡胶树白粉病抽芽期开始发生,古铜期、淡绿期发病率和病情指数逐渐升高,稳定期发病率和病情指数逐渐下降,病害流行过程符合S型流行曲线.临沧地区橡胶树物候早于德宏地区,且历期较短,白粉病发病早.掌握滇西南植胶区橡胶树白粉病发病规律,可为橡胶树白粉病的监测和防治提供参考依据.
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