Suction sucker is one of the main pests that harm the orchard. According to the author's investigation, the damage rates of navel oranges, mandarin oranges, and wolfberry plums rose from about 10% in previous years to 20%, and the damage rate of pears and peaches in local areas increased from about 20% to more than 30%. Most of the people do not know what kind of pests, only called "night tiger", "thorn fruit."
There are as many as 50 species of fruit sucking moths, and the occurrence patterns, feeding hazards, and living habits vary from year to year. They occur from 2 to 4 generations a year, and can be harmed from April to October. From July to September, they are endangered. Adults fly strong, wide range of activities, scattered during the day and lurking, from 6 pm to 5 am damage the fruit, especially at 7 to 9 pm when the largest number of adults, the most serious harm. From 9 to 2 a.m., eggs are laid on wild plants such as Hanfangfang and Fangmu. After the larvae hatch, the leaves are taken from these hosts. On the night of the adult stage, under the light of a flashlight, a moth can be seen on the fruit, which is penetrated into the pulp and sucked into the fruit juice with a needle puncture device. The flesh of the puncture hole of the victim's fruit gradually rots and falls off one after another. The fruit that was killed during the harvesting period is difficult to detect due to tiny puncture holes and causes rot loss after harvest.
The method for preventing and controlling the fruit sucking moth is as follows: First, fruit bagging methods are used for navel oranges and grapefruits. The fruits of the bagging are both resistant to pests and diseases and evenly colored. The second is to eliminate the middle host. The best way to control the damage is to remove the Han Fang, the wood defense, and the weeds around the orchard, cut off the larval food source, and eliminate the larvae. The third is to kill the moth. Mix sugar vinegar, vinegar, wine, and water in a ratio of 4:4:1:1, and add a small amount of 90% crystals of trichlorfon to make a poison bait and put it into pots, pots, and other containers. Inside, there are certain results when they are put into the orchard to kill more in the evening.
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