Spring is coming, and the most difficult pest on the fruit trees, the pear heartworm, is also coming. For the pear small heartworm, the fruit farmers are really hated by everyone, and the harm of the heartworm has brought heavy losses to the production of fruit trees all year round, of which the pear small heartworm is the most harmful one.
Pear small heartworms mostly use larvae to erode the new branches and fruits of fruit trees, and in early spring, they first harm the new branches of fruit trees, and then harm peaches, and after the peaches are harvested, they move into the pear garden to eat pear fruits.
Mild results in slight disease and wilting at the top of the fruit tree, and the fruit rots and falls to the ground, which seriously affects the normal growth process of the fruit tree, and has a great impact on the growth of the fruit tree, the yield of fruit and the attributes of commodities.
Spring blossoms, the earth recovers, and the pear heartworm that has slept for a winter breaks out of the cocoon and attacks the young shoots of the fruit tree, and with the action of the pear heartworm, the war in the orchard will also begin.
Usually, we deal with pear small heartworms, mostly for physical medicine prevention, but as the pesticides are more and more beaten, it is more and more difficult for pear small heartworms to kill. This is because the pear small heartworm belongs to the drill moth pest, once the drill moth into the new shoots or fruits, the drug basically can not be controlled, so in order to control the pear small heartworm, you must seize its larval incubation period and the turning period into pest. But it is difficult for us to seize the best control time, which makes everyone a headache, and the long-term single use of a certain pesticide will also make the pest have strong resistance, and the difficulty of prevention and control has naturally increased.
The war against pear small heartworms with physical medicine is difficult for fruit growers to win, so how can fruit farmers win this war.
Apply biological control to win this war
The application of new biological control technology - pear small lost silk, only need to screw a small red tube similar to a small red tube on the fruit tree, you can make the male and female insects "lost" direction, can not find each other, thereby blocking adult mating, suppressing the number of pest populations, to prevent pear small heartworm larvae from harming the fruit tree young shoots and fruits.
Pear small fan silk technology can not only effectively reduce insect pests, but also efficient environmental protection and pollution-free.
As a new type of biotechnology product, pear small mysterious silk is to concentrate the sexual attractant of pests in a filament a few centimeters long, tied to the branches before the spring pests emerge and feather, and slowly release ultra-high concentrations of sexual pheromones as the temperature rises.
Attracting and interfering with the mating of male and female insects prevents most females from laying eggs, reduces the number of larvae, and ultimately controls the number of pear heartworms in the orchard and the harm to fruit trees to a minimum.
Theoretically, this kind of lost interference technique, the larger the area of the fruit tree, the longer the continuous use time, the better the effect. The experimental demonstration results in Henan, Anhui, Shandong, Liaoning and other places in recent years also confirm this.