How to manage big cherry trees in summer
Point 1: Pick cherry trees.
Due to the vigorous growth and development of big cherry trees in summer, there are too many branches and leaves, which is not conducive to the effect of next year. Therefore, when the annual branch of/kloc-0 grows to about 25 cm, it should be pulled out immediately. In order to control the growth and development of plant type, it is necessary to core continuously.
Point 2: Pull branches on cherry trees.
Because all cherry trees that bear no fruit or little fruit are caused by unqualified branch pulling. The direction of branches, branches and main stems of big cherry trees should be adjusted to 90, 70 or 80, which will have an impact on the results. It began to branch gradually in June and ended at the end of August. In addition, the plastic rope is not suitable for pulling branches, so it is necessary to effectively lift the rope or other ropes in summer when the leaves of the big cherry tomatoes are thinned.
The third point: pest control of cherry trees
Due to the increase of precipitation in summer, it is easy to cause various pests and diseases of cherry trees, and sometimes the pests on the leaves of big cherry are more serious. Leaf problems mainly include brown spot disease and black spot disease. The key measures for prevention and control are: spraying triadimefon or mancozeb immediately before sunny day 10 or after 4 noon; The main pests and diseases are scarab, peach miner and various thorn moths. The control method is spraying 5% cypermethrin 2000 times, and the control effect is good.
Point 4: Pick your heart and cut it short.
Pick the long branches of the prosperous trunk, do not pick them, and manipulate the competitive branches in the market. When the branch length of the main stem is increased to 50 cm, the core is removed and 10 cm is removed. When the branches grow to 40 cm, pick 10 cm, and leave 10 cm for the upright branches after coring. From the middle and late May to the middle and early June, the vertical branches or branches that are too thick will be cut with three leaves, and some thick branches can be cut several times more.
Fifth, moderate irrigation and drainage.
Sweet cherry is neither drought-resistant nor waterlogging-tolerant. According to the seedling situation, pay attention to flood control and drought relief, and immediately inject water; In the rainy season, the drainage pipes in the garden should be well drained.
Only an effective summer management scheme can make the yield of big cherry trees more abundant. How to manage the big cherry tree in summer is here for you today. I hope our content can help you.