Apple Borer Control Methods
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Apple Borer Control Methods
The apple borer causes yellow spots to densely cover the leaves initially, which later turn red, the leaves become wrinkled and uneven, and it also damages the fruit, leading to significant apple yield reduction. The main cause of the apple borer is the dirty environment of the fruit trees. It is possible to spray high-efficiency flucythrinate on the trunk, or inject the medicine directly into the wormholes. Make sure to spray evenly and thoroughly.
Apple Borer Symptoms
The apple borer, also known as the mulberry longicorn, is mainly distributed on fruit trees such as apples, pears, peaches, and apricots. In recent years, severe cases have occurred in apple trees, mainly due to the larvae boring holes in the main trunk and branches, with the damage to the fruit being secondary. Severe cases can lead to the death of the apple trees.
Borer damage causes the leaves to be densely covered with yellow spots initially, which later turn red, the leaves become wrinkled and uneven, bend longitudinally from the edge to the back, the leaf tissue thickens, and finally dries through, turning black and brown, without leaves falling in winter.
Causes of Apple Borer
The apple borer is caused by an unclean environment of the fruit trees or poor absorption of fertilizers, leading to the growth of borers.
What Medication Works Best for Apple Borer
The apple borer can be treated, and high-efficiency flucythrinate can be sprayed on the trunk, adding silicone for better results. Make sure to spray evenly and thoroughly.
Treatment for apple borer can use copper oxychloride suspension or carbendazim solution to apply to the wounds that appear, to prevent bacterial infection.
Apple Borer Control Methods
The best time for apple borer control is when the borers have just laid eggs in the trunk, and then apply the medicine directly into the wormholes.
Using the phototactic nature of the apple borer for trapping and killing, from early May to early September, install one insect-killing light every 15-20 acres of orchard to trap and kill the adult borers.
For apple borer prevention, it is important to keep the orchard clean and promptly clear fallen fruit from the ground. In winter, fill the tree holes with soil, scrape off the bark flaking from the trunk, burn the grass rings and bark flaking to clear the pest sources, and paint the main part of the fruit tree trunk white with lime slurry and a certain proportion of insecticide.
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