菩提树这是什么病?

2025-03-15 13:35:06
推荐回答(5个)
回答1:

你树的叶子黄了。水分不能多。水分多了就把他砸死了。 没有什么病。你可能没有养过花吧?

回答2:

典型的叶斑病,也是菩提树的主要病害之一,是由于环境温度过高、通风不良引起的病害侵染,应及时喷施800倍的甲托、代森锰锌等防治,加强树体管理,摘除干枯病叶,降温通风,结合喷药增施翠姆叶面肥,增强植株抗性。
拓展知识:
田间管理
定植恢复生长后,当造林地杂草高20-40厘米时,可用10%草甘膦48g/m,667m加0.1%洗衣粉于晴天中午喷洒,杂草枯萎后及时护穴施肥,幼林期的前3年每年在雨季来临时分别进行2-3次追肥,每次追施复合肥50-80g。3年后仍需及时砍除林中速生的杂草藤蔓等,同时进行修枝整形,保持一定优美的树冠。

回答3:

叶斑病,发病初期,每半月用200倍波尔多液喷施1次。常有介壳虫侵害叶片,可用氧化乐果1000倍液喷杀。主要虫害是蚧壳虫中糠蚧和吹棉蚧。这两种蚧壳虫都是属刺吸式害虫,其体外有一层蜡膜,故一般的杀虫剂效果均不佳。用吡虫啉或吡虫啉的改良剂,如万里红,顶红等,其效果较好。发现虫害,可用万里红稀释3000倍喷雾灭杀。

回答4:

我也想知道,看上去是微虫害?

回答5:

可以找李叶的去看一看他生的什么病,好给他治一治

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