August is the most critical period of peach blossoming (the mid-flowering period), and it is also the peak season of long autumn shoots. The main point of plastic management after the beginning of autumn is to inhibit the growth of autumn shoots. Delaying or reducing the growth of autumn shoots, reducing the bad competition and useless consumption of autumn shoots, this is the top priority for peach management after the fall.
prune
Peach trees like light, need ample light throughout the growing season, now is the key period of flowering, more need sunshine. The principle of trimming at this time is to ventilate and open the light. The object of pruning is the large branch and the long branch of the squat, and the second is the useless branch of the upper end of the head. After the autumn, the pruning must be mastered, and should not be over-weighted, or it will promote a large number of autumn shoots. Special reminder: If the tree is moderate, the upper middle and lower light can be used, then there is no need to trim at this time.
Nitrogen control
Before and after the fall, there was more rain, which coincided with the last peak of the peach tree's annual growth period. The weather factor and the growth characteristics of the peach tree itself caused the phenomenon of autumn growth. The main means of delaying growth is to control water and control nitrogen. Water should be poured less, as long as it is not too dry. It is strictly forbidden to use a single quick-acting nitrogen fertilizer such as urea ammonium nitrate ammonium bicarbonate. The nutrients in the reproductive growth period are mainly phosphorus and potassium fertilizers. The best fertilization on the ground is low-nitrogen phosphorus and high potassium, which can promote the differentiation of flower buds. The tree of late-maturing fruits can also promote the expansion of fruit, increase sugar and taste. And the quality will be greatly improved.
Boron
In addition to soil fertilization, it is also necessary to pay attention to the application of foliar fertilizer. The best foliar fertilizer is potassium dihydrogen phosphate. The concentration after spraying in the autumn is 0.3%-0.5%. It is not necessary to spray it separately and is added to the insecticide fungicide. Just in the liquid.
Some varieties will have abnormalities in different degrees of young fruit, twins and other twins. In addition to the natural disaster caused by pollination, the most important reason is boron deficiency. Fruit farmers like to spray boron to solve problems. However, the effect is general, because the differentiation of flower buds began in July and August of the previous year. If boron is absent during this period, it will naturally affect the quality of flowering. Therefore, it is recommended that the fruit farmers spray 2-3 times 0.3-0.5% borax in August, which will greatly reduce the incidence of deformed fruit in the coming year.
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