Cherry trees in July, in the peak of growth, this time the weather is relatively hot, and the rain is more, insect pests, the probability of disease invasion is still relatively large, plus cherry trees grow more vigorously at this stage, so in July management, basically to prevent diseases, summer management is the mainstay.
The first is the prevention of diseases, large cherry trees have several more common diseases, in the summer must be done to prevent. The first is brown spot disease, which is basically one of the most common diseases of cherry trees, more after cherry picking, the leaves will cause the invasion of diseases due to rain and steaming heat, after the cherry picking, it must be sterilized with a drug, fungicide with foliar fertilizer, such as potassium dihydro, peptides and so on spray. Because the cherry tree is relatively lush, when spraying, do not use the piggyback sprayer, this sprayer pressure is not enough, when spraying, due to the small pressure, it is easy to be blocked by leaves, resulting in spray is not comprehensive, affecting the effect of the spray and medicinal properties, you can click on the following search card, which has a lot of fruit tree spraying, spray video, should be very helpful to everyone.
Cherry tree in the summer, in addition to paying attention to diseases, insect pests are also one of them, the more common occurrence is the nocturnal moth and red spider, can be used directly when playing fungicides, directly add insecticides together, if found to be nocturnal moths, you can use beetle mite nitrile or benzamide, red spiders, you can use avermectin and so on, these drugs are effective in these insect pests to cause substantial prevention.
Very few cases will encounter drill heartworms, tianniu and other stubborn insect pests, this type of insect pest in the early prevention, the effect is better, if you wait until the time to drill into the tree, and then when the prevention and control, it is more difficult, spray, simply can not reach the disease, not the drug is not good, is the drug can not play a role in the insect pest at all. Tianniu can be controlled from the wormhole, you can use directly from outside the tree body to forcibly break the bark, kill the larvae of the Tianniu, and then use the fungicide solution to sterilize the part that has been infested by the insect, and then seal the wound with a healing agent, which can make the wound heal quickly. If it is not convenient to break the bark, you can also find the tree hole, use a pressure water gun, directly inject the medicinal liquid from the opening of the hole, and after the medicinal liquid is injected, seal the hole with mud.
The last point is that the cherry tree at this stage, the growth of the bar is more, due to the hot weather, there are many diseases, for too many long branches, you can carry out simple pruning, the remaining branches can be controlled by the method of pinching. There is a search card below, which has a lot of specific videos of pinching, friends who will not pinch can click to see, there are many teachers who teach you how to pinch branches, so that you save effort and trouble, do not take detours.
The above is the simple operation of the cherry tree in July, the weather is hot, pay attention to the heat.