How to control gall mites in longan tree?

What harm does the gall mite of longan tree have? How to control gall mites in longan tree? Ask netizens to help guide the land network to sort out the harm and control methods of longan tree gall mites, which are listed in detail below for netizens' reference. The harm of longan gall mites: the adult mites, nymph mites and young mites of longan gall mites can feed on the leaves that harm longan, but only harm the mature foliar tissue and pierce the foliar cells with mouthparts to absorb juice, but the harm has not been found on the back of the leaves. After the cells were destroyed, the damaged area became moist at first, then turned grayish brown, and finally became purplish brown. The photosynthesis of the leaves damaged by gall mites decreased or even lost completely, and the life span was shortened. Because the cuticular layer of the leaf is not destroyed and the luster of the leaf does not fade, especially in winter, it is often mistaken for seasonal physiological changes or because the insect body can not be seen and is caused by disease. Longan tree gall mite control methods: method 1, the orchard should be willing to cut down trees, so that the orchard planting density is reasonable, ventilated and transparent. The shaded inner bore branches, drooping branches or overdense branches should be cut off in time. Once a damaged branch is found, it should be cut off and burned immediately. Method 2. Spray the injured plants with 20% diclofenac EC to water, or 15% diclofenac EC to water 1500 times and miba EC to water 2000 times. Click to get more longan planting techniques click to get more fruit planting techniques