In which months should plum trees control which diseases and insect pests?
In which months should plum trees control which diseases and insect pests? Please give an introduction to the pest control of planting plum trees can refer to the following: ① Brown plum pests are mainly aphids (mid-March-mid-April), beetles (April-August), heart-eaters (May-August) peach borer (late May-mid-July), fruit sucking armyworm (before fruit harvest), can be killed by the enemy 2000 times, isocarbophos 1000-2000 times, fenitrothion 1000 times spray, sweet and sour solution trapping. The main ② diseases are bacterial perforation (late March), rust (April-May and July-August), liquid gum disease (April-May and August-September), leaf shrinkage disease (3-5 months), etc. Attention should be paid to clearing the garden in winter (Baume 5 degrees of stone-sulfur mixture 300times) and spraying carbendazim, mancozeb 1000 times and topiramate 1500 times each during the growing period to protect the fruit from being infected by the pathogen. Click to get more plum tree planting techniques click to get more fruit planting techniques
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How to thinning flowers and fruits of plum trees?
How to thinning flowers and fruits of plum trees? Plum trees can refer to the following methods for flower thinning and fruit thinning: most Brown varieties of ① have many flowers, high fruit setting rate, no flower thinning and fruit thinning, which will lead to clusters of fruit, uneven fruit size, decline in quality, and affect the fruit of the second year. ② thinning flowers. Usually before the flower.
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How to improve the fruit setting rate of plum fruit?
How to improve the fruit setting rate of plum fruit? Plum fruit to improve the rate of fruit set can refer to the following methods: 1 regulation of tree vigor for trees too prosperous, to wipe buds and pruning upright branches in time, timely opening branch angle; can also be applied in autumn or spring 15% paclobutrazol 3~5g, or spray 15...
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