Cherry tree planting: how to control diseases and insect pests in different periods of big cherry trees?

How to control diseases and insect pests in different periods of big cherry trees? Please introduce the control methods of diseases and insect pests in each stage of big cherry, the main diseases and pests of big cherry are mulberry white scale, green bug bug, leaf moth, perforation disease, leaf spot disease, root cancer disease, glue disease and so on. The following introduces the control methods of diseases and insect pests in different periods of big cherry for reference: 1. Dormant period of cherry trees: combined with pruning to thoroughly remove the residual branches, fallen leaves and fruits in the field, scrape off the bark of the old warp. Cut off diseased branches and shoots and destroy them thoroughly in order to reduce the incidence of diseases and insect pests. At the same time, strengthen the tree protection, smear the shearing saw and scraping places to protect the tree general, to prevent disease infection. 2. Cherry trunk branch stage: the whole tree was sprayed once to protect the tree general to eliminate tree diseases and insect pests. In the orchard with mulberry white scale, before the tree sprouting and the activity of the young larvae, the new high lipid membrane 800x liquid combined with 1000 times liquid speed scale or 1000 times liquid Nongdile should be used to control the disease. 3. Cherry blossom and fruit stage: the key point is to do a good job in mulberry white scale control. In the middle of May (the protected area is about March), the first generation of young scale hatching peak period, with the new high-fat film 600x liquid combined with fast scale 1500 times liquid, or Nongdi Le, Lesben 1000-1200 times the whole garden spray. The use of highly toxic pesticides is strictly prohibited. 4. Late harvest period of cherry trees: this period is a mixed period of many kinds of diseases and pests, such as deciduous leaf disease, leaf miner, red spider, pear net bug and so on. For the perforated deciduous disease, the 500-fold solution of new high-fat membrane should be sprayed 2-3 times before the occurrence of the disease. In the early stage of the disease, the new high lipid membrane 800x solution combined with methyl topiramate 1500 fold solution was sprayed with high efficiency fungicides. According to the type and degree of occurrence, cypermethrin, imidacloprid, cypermethrin, abamectin and so on can be selected for pest control. Advocate the mixed use of medicines and carry out the treatment of both diseases and pests. Click to get more cherry tree planting techniques click to get more fruit planting techniques