Effective prevention and control of walnut tree diseases and insect pests
Diseases that endanger walnut trees (gardens) include: walnut rot, black spot, and blight, etc. The main pests are: moth, moth, scorpion, and grasshopper. Control method:
1. Prevention and treatment of diseases. Before the onset of the disease, the drug should be treated according to the requirements of plant protection , and a new high-fat film should be applied to improve the control effect. Before entering the winter, the plant leaves should be pruned and trimmed, especially the susceptible parts. The trimmed branches should be cleared and burned in time to remove the virus source. The pruning mouth should be painted with a callus anti-corrosion film to promote the healing of the wound as soon as possible. All the plants in the garden should be sprayed with a tree guard general to improve their anti-cortical pests and diseases and suppress the virus replication ability, and to prevent various pathogens from infecting.
2, pest control: Before entering the winter, we must thoroughly remove the weeds on the surface of the forest, and deepen the drying, and carry out targeted treatment, while spraying new high-fat membranes to enhance the efficacy, thoroughly, and control the wintering of pests. surroundings. Pest control for different growth periods shall be carried out according to the requirements of plant protection, and new high-fat membranes shall be added to enhance the control effect. It is also necessary to regularly spray the tree guard general to enhance the insect and disease resistance of the plant to ensure its healthy and vigorous growth.
3. In the flower bud stage, young fruit stage and fruit expansion period, it is necessary to apply a strong fruit to the body, strong flowers and strong fruit, and enhance its ability to resist pests and diseases.
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