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穴盘苗的时间较短,所以很少受到病虫害的威胁,但是由于生长过于密集,而且数量众多,如果对环境控制不力或管理不当,也会有病虫害的问题。1猝倒病感染病菌:腐霉、疫霉、丝核菌、镰刀菌和葡萄孢菌都能单独或共同起作用引起猝倒病。防治方法:①使用排水良好的基质;②正确的浇水技术,清除滞留到地面的水;③正确使用蛭石覆盖;④防止出现露滴或雨滴以及聚水处;⑤合理施肥,避免可溶性盐浓度(EC)过高致使
Plug plants are short-lived, so they are rarely threatened by pests and diseases, but because of their overgrowth and large population, there are problems with pests and diseases if they are poorly managed or mismanaged. 1 damping off disease Infectious germs: Pythium, Phytophthora, Rhizoctonia, Fusarium and Botrytis alone or together to cause damping-off disease. Prevention and treatment methods: ① the use of well-drained substrate; ② the correct watering technology to remove water retained to the ground; ③ the correct use of vermiculite cover; ④ prevent dew or raindrops and water gathering; ⑤ reasonable fertilization to avoid soluble salts Concentration (EC) caused by high