How to control scarab beetles during chrysanthemum cultivation?
How to control scarab beetles when growing chrysanthemums? Please explain the methods. Scarab beetles: They are pests. The adults bite the chrysanthemum leaves, creating net-like holes and notches, and in severe cases only the main veins remain; the damage is even worse when they gather in groups. They feed most heavily from dusk until 10 p.m. The larvae, white grubs, damage chrysanthemum seedlings and tender stems. Control methods: ...
How to control scarab beetles when growing chrysanthemums? Please explain the methods.
Scarab beetles: They are pests. The adults bite the chrysanthemum leaves, creating net-like holes and notches, and in severe cases only the main veins remain; the damage is even worse when they gather in groups. They feed most heavily from dusk until 10 p.m. The larvae, white grubs, damage chrysanthemum seedlings and tender stems.
Control methods:
a. Toxic soil application;
b. Drenching the roots with a pesticide solution;
c. Poison bait trapping;
d. Controlling adults: Adults can be trapped and killed with black light lamps, with obvious results.
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