Disease
For jujube madness, injecting liquid on the trunks of Zaofeng No. 1 and Zaofeng No. 2 can cure the diseased tree that year and produce dates in two years. Regular spraying of compound Zaohongbao on fruit shrinkage disease can reduce the incidence of fruit shrinkage disease from more than 80% to less than 15%. For other diseases, spray 5 Baume Duo Lithium Sulfur mixture on the trees and under the trees in the whole garden before germination, and spray Fenpinine or Thiophanate Methyl in mid-to-late June. Spray mancozeb and wilt every 15 to 20 days in early July. Rustling and Fenyingning EC, a total of 2 to 3 times, in late July, spray Bordeaux mixture once to control other diseases.
Pests
After the jujube gall midge germinates in the spring, it should be controlled with dichlorvos and chlorbenzuron before rolling the leaves. After the occurrence of the first generation, the general spraying once again can control the occurrence of subsequent generations. Before and after the wheat harvest, the newly hatched larva of the scale insect crawls out of the mother. The wax shell has not secreted wax at the critical period of time. When jujube bugs occur, use enemy kill EC to prevent them. Pyrethroid pesticides are used to prevent and control jujube step and spiny moth. From July to October, use a small shovel to remove the surface soil around the root neck and find the worm hole of the worm. Use a syringe to inject dichlorvos emulsion or pyrethroid pesticide into the worm hole, and block the worm hole with soil. Kill long beetle larvae.