What pesticides should be played before the cherry blooms? How to manage?

Dr. Nong: Mr. Zhu, hello!

Regarding your question on how to manage cherry blossoms before ripening, we believe that before cherry blossoms mature, it is mainly flower and fruit management.

Cherry fruit and fruit management is mainly reflected in pollination and fruit preservation, fruit thinning and fruit protection before harvest. Cherry is a fruit tree with low self-cultivation ability. In order to ensure the results, besides disposing pollination trees when setting up a garden, artificial pollination and pollination by pollinating insects should be used to increase fruit setting rate. At the same time, spray 0.3% urea + 0.3% borax or 0.5% potassium dihydrogen phosphate solution every 10 days to promote improved fruit setting rate.

The sparse buds are between flowers, and they pick off the weak and stunt buds. The sparse buds can improve the nutrient supply of preserved flowers. This is an effective measure to increase the single fruit weight of cherries, usually from late March to late April. Each bouquet-like short fruit branch leaves about 2-3 buds. By sparse buds, fruit individuals can be enlarged.

The fruit thinning is further improved on the basis of sparse buds. Usually in the late mid-May after the end of physiological fruiting. Each fruit-like short fruit branch leaves 3 to 4 fruit. Through fruit thinning, the load of the plant can be further adjusted to promote fruit enlargement and increase the sugar content of the fruit. Shrubs should pay attention to the small fruit and the light is not easy to reach, poorly colored drooping fruit, leaving the horizontal and upward fruit. Techniques that promote coloration include picking leaves and using reflective films. The fruits on the short fruit branch are easily covered by the leaves of the clusters. In order to promote the coloration of the fruit, when the coloring starts, the leaves that cover the fruit's sunshine should be taken off, silver reflective plastic film is laid under the canopy, and the reflected light under the canopy is used. Promote fruit coloring. In order to avoid the occurrence of cracking, rainproof tents are generally erected at the beginning of June in the beginning of fruit coloring, and the effect is very good. In addition, when the fruit matures, it often attracts birds to feed. Attention should be paid to the prevention of birds. Nets are usually used to protect the trees.

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