What is the harm of cherry leaf aphid to cherry saplings? When does the cherry curl leaf aphid generally occur? What pesticides can be used to plant cherry leaf aphids for planting cherry saplings? Below is a brief introduction to the Sichuan Xiaobo Cherry Sapling Base for the reference of netizens.
How do planting cherry saplings control cherry leaf aphids?
One. Hazard analysis of curly leaf aphids of cherry saplings
When the back of the leaves of the cherry seedlings is damaged, the victim leaves are curled into a barrel and slightly red, and the affected leaves wither in the later stage.
Two. The occurrence of curl leaf aphids in cherries.
1. Wingless parthenoper: 2 mm long and 1 mm wide, dark brown ossified on the back of the body, only the front of the chest and the eight abdominal segments before and after the pale color.
2. Winged parthenogen aphid: black head and chest, light color on the abdomen, with spots.
Three. Control method of curly leaf aphid in cherry saplings
1. Booby trap winged aphids with thin silver-gray plastic or yellow plates.
2. Protect and use natural enemies, such as ladybugs and grass moths.
If you have better suggestions and methods please leave a message below to tell us, Sichuan Xiaobo Cherry Base Thank you for your support.