According to the overwintering characteristics of jujube pests and diseases, combined with winter management, targeted prevention and treatment can have a multiplier effect.
Digging maggots and moths is based on the habit of the pests concentrating on wintering in the soil around the trunks, combined with soil deep tumbling, picking up overwintering insects and moths before soil freezing and thawing, and eliminating them in a concentrated manner, which can effectively reduce the number of insect populations in the coming year.
The old trees in the Shushu Cave are prone to pests and diseases, and are also used as overwintering sites for pests such as the juvenile armyworm. In the winter, 10 parts of clay can be used and 3 pieces of crushed wheat straw can be added. Adding a little insecticide can block the tree holes with water and mud slurry. To seal off the overwhelming insects.
Cutworm twigs and winter pods are combined with pruning in winter to cut off the larvae damaged by the larvae. For severely damaging branchlets, the overwintering insects on them can be removed with a wire brush, and the overwintering bugs of the yellow thorn moth must be carefully removed.
There is a layer of wax shell on the surface of turtle wax because it is difficult to kill it by general chemical pesticides. It can be sprayed with diesel emulsion to eliminate it. Before the jujube sprouts, the entire tree should be sprayed evenly and thoroughly with Baume 5 degree lime sulfur, which can control the red spider, pear orchard and other pests. Http://Content/a73a8229-8b47-419b-8d27-30b6b26cca85?cType=2
YT-H706
YT-H706
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