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多肉上长的白色棉絮能不能碰

Miss Chen
02-20
多肉上长的白色棉絮不能碰,多肉上叶片上的白色棉絮可能是根粉蚧壳虫。在养护期间,修剪掉虫叶后,可用蚧必治和蚍虫林等杀虫药剂进行除虫。多肉上根部上的白色棉絮可能是白粉病,修剪掉病叶后,可用多菌灵或甲基托布津药剂除病。



多肉上长的白色棉絮不能碰



多肉在养护期间,叶片上长的白色棉絮可能是根粉蚧壳虫。根粉蚧壳虫是害虫,携带一定的病菌,不建议用手直接触碰。多肉植物受根粉蚧壳虫侵害后,需要将有虫的叶片剪掉并集中烧毁,可以避免根粉蚧壳虫的虫卵大量的繁殖。

修剪完虫叶后,可以给根粉蚧壳虫喷洒蚧必治、速扑杀、呋喃丹和蚍虫林等杀虫药剂。药剂7~10天之间可喷1次,连续喷洒3~4次后,可以将害虫除掉。若是土壤中的害虫较多,需要给多肉修剪根系并消毒,再将其种植在新盆里。

多肉在生长期间,若是根部长出了白色的棉絮,可能是得了白粉病。多肉受病菌感染后,容易诱发白粉病,会影响其正常生长。多肉得了白粉病后,需要将病叶剪掉并烧毁,处理掉叶片后,可以给多肉喷洒多菌灵或甲基托布津药剂。

给多肉喷完药后,可将其放在凉爽通风的位置养护,有利于多肉恢复。后期养护,需要给予多肉充足的光照,使其能够正常生长。在养护期间,还要适量的浇水和施肥,为多肉植物提供充足的水分和养分,可以避免多肉感染病虫害。
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