MySheen

How to control sweet-scented osmanthus whitefly

Published: 2024-11-06 Author: mysheen
Last Updated: 2024/11/06, The adult and larval needles are inserted from the back of the leaves to absorb the leaf juice of flowers. Make leaves withered and yellow and fall off, adults can secrete "honeydew", nourish coal fouling bacteria, cause soot disease, pollute leaves and branches, destroy photosynthesis and respiration, make flowers grow badly, cause leaves to wither and yellow, tree potential to weaken or the whole plant to die.

The adult and larval needles are inserted from the back of the leaves to absorb the leaf juice of flowers. Make the leaves withered and yellow and fall off, adults can secrete "honeydew", nourish coal fouling bacteria, lead to soot disease, pollute leaves and branches, destroy photosynthesis and respiration, make flowers grow badly, cause leaves withered and yellow, tree potential weak or the whole plant dead. Prevention and control methods: it is forbidden to carry insect seedlings and clean the field. Protect natural enemies, prickly black wasps and ladybugs, Chinese lacewings, aphid wasps, yellow jumping wasps. Spray 2.5% of the enemy at the peak of egg incubation to kill EC 5000 times against water, spraying 2-3 times in a row. Trapping and killing: adults have a strong tendency to yellow, can be inserted in the edge of the tree or hang yellow wood, plastic board, coated with oil, vibrating flower branches, make it fly to the branches, kill. Potted flowers move indoors in winter, strictly check the back of the leaves, and it is forbidden to enter the room on behalf of worms. Click to get more sweet-scented osmanthus planting techniques

 
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