Also, tools can spread disease from one plant to another. So be sure to disinfect tools with alcohol or bleach after each plant.

同时，修剪工具也会将病害从一个植株传播到另外一个。所以，在修剪每个植株之后，一定要用酒精或漂白剂消毒。

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So be sure to disinfect tools with alcohol or bleach after each plant.

VOA: special.2009.10.06