当前黄瓜嫁接已成为黄瓜冬季生产的主要措施,一般多在8、9月份进行,此时气温还高,黄瓜嫁接苗容易发生各种病害。其中尤以猝倒病和立枯病发生严重,给黄瓜冬季生产带来很大困难。为此.生产上可以采用以下几项综合防治措施,来消除或减轻黄瓜嫁接苗苗期的病害。1.苗床选土黄瓜、南瓜的育苗床及嫁接苗床都应 The current cucumber grafting has become the main winter cucumber production measures, generally more in August and September, when the temperature is still high, cucumber grafted seedlings susceptible to various diseases. Among them, the disease of damping-off and damping-off occurred especially seriously, which brought great difficulties to winter cucumber production. To this end, the production can use the following comprehensive prevention and treatment measures to eliminate or reduce the disease at the seedling stage of grafted cucumber. 1. Seedbed soil cucumber, pumpkin seedbed and grafted seedbed should be