Honeysuckle pest control method
Honeysuckle pest control methods:
Brown spot disease: severe from July to August. The leaves are round lesions, yellow-brown, and gray mold on the back. When severe, the leaves are yellow and fall off.
Control method: remove the diseased disease leaves in winter, reduce the source of the bacteria; in the early stage of the disease, spray with 1:1.5:200 Bordeaux liquid, once every 7 days to 10 days, even spray 2 times ~ 3 times.
Aphids: Beginning before and after the Qingming, the buds of the damaged leaves curled and stopped growing.
Control method: Before clearing, spray a 40% dimethoate emulsion 2000 times solution or 10% imidacloprid 3000 times solution.
Honeysuckle ruler: Generally, the damage is serious when the head lice flower is harvested. The larvae can eat the leaves in a few days. The first-instar larvae are harmed in the back of the leaves, and the epidermis and mesophyll tissues are taken, and the epidermis is left to make the leaves white. Transparent spots, when severe, can eat a piece of flower leaves.
Control method: cut branches in winter, destroy the winter environment of pests and reduce the source of insects; spray with 90% crystal trichlorfon 1000 times solution at the beginning, or spray 1000 times to 1500 times with 40% phoxim emulsifiable concentrate.
Leopard moth: The larvae are often licked into the stems from the leaf stalks of the branches or young shoots, causing the new shoots to wither and cause the plants to die.
Control method: In the middle and late July of the larva hatching period, 50% of the killing pine 1000 times of the diluted liquid can be evenly sprayed onto the branches, so that the spray does not drop down.
Coffee tiger beetle: It is an important stolon pest. First, it is harmful under the epidermis, and gradually feeds on the wood layer, causing the damaged branches to wither, and the entire flower bed gradually dies.
Control method: in winter, pruning the branches, peeling off the old skin of the old branches, and removing the dead branches in time to destroy the conditions for laying eggs of adults; in late June, the newly hatched larvae were sprayed with 1500 times of 80% dichlorvos EC before they broke into the xylem.
Willow wood moth: It is a dry pest. Adults lay eggs in the middle and lower parts of the old stems. After hatching, the larva migrates down the phloem and enters the xylem to feed, making the backbone hollow and severely dead.
Control method: pruning roots in winter to remove dead branches, concentrated burning; July to September, digging pits 10 cm ~ 15 cm in the roots of the flower pier, 50% of the 2% dilution of 50% of the pine oil, and then Covering soil compaction.
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