在蔬菜生产中,要获取优质高产,很大程度上取决于培育优质的菜苗,菜农大部分都是习惯用自已育苗的方式。据笔者观察,在育苗过程中,尤其是在防病方面,常存在以下几个值得注意的问题。忽视苗床土壤的消毒。有的菜农以为早春气温低,忽视苗床土壤的消毒处理,结果常会出现菜苗出苗后感染病害,造成生长不良或死苗现象,有的甚至全军覆没。正确的方法是应选择经过消毒灭菌后的无病苗床。为此,苗床宜选择背风向阳、地势高 In vegetable production, to obtain high quality and high yield, largely depends on the cultivation of high quality vegetable seedlings, vegetable farmers are mostly used to self-nurturing the way. According to the author observation, in the process of nursery, especially in disease prevention, there are often the following several noteworthy issues. Ignore the disinfection of seedbed soil. Some farmers think that the early spring temperatures are low, ignoring the disinfection of soil bed seedlings, the results often appear after the emergence of seedlings infected diseases, resulting in poor growth or dead seedlings, and some even annihilated. The correct method is to choose after disinfection sterilization sick seedbed. To this end, seedbed should choose lee sunny, high terrain