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渍害是猕猴桃的一种常见灾害,一般年份只是个别或小面积发生。1998年我省长时期频频降雨,渍害普遍发生,一些地方大量死树甚至毁园,应引起大家的关注。 1.症状及发生规律 发生较轻的树表现为生长衰弱,一部分植株最终死亡。还有一种症状为植株很快萎蔫,刨开根部可见根茎部已经腐烂,腐烂部位绕根茎一周即无法挽救。地下水位高,或受其它水源浸泡严重的,植株根系大部分腐烂,常成片死亡。
Waterlogging is a common disaster of kiwifruit, and the general year is only individual or small area. In 1998, a long period of rainfall in our province frequently occurred, and waterlogging was widespread. In some places a large number of dead trees or even ruined gardens should arouse people’s attention. 1. Symptoms and Occurrence Occurrence of lighter trees showed growth weakness, and some plants eventually died. There is also a symptom of plant wilting soon, planing the roots can be seen rhizome has decay, rotten parts around the rhizome that can not be saved. Groundwater level is high, or soaked by other water seriously, most of the plant roots rot, often into pieces died.