Peach tree summer shears can assist in shaping, inhibit the growth of new shoots, reduce nutrient consumption, improve ventilation and light transmission in the crown, promote flower bud differentiation, improve fruit quality and increase yield. Generally 3-5 times a year, mainly concentrated in May-August.
1. Wipe the buds. After the peach tree has germinated, it can be carried out to wipe out densely packed buds, buds on the back, and improperly located buds. When the new shoots grow to 5-6 cm, wipe the useless shoots. Leave the two tips at a large angle and erase the small angle. The germination within 15 cm of the base of the branch of the backbone and the clustering of the cut and saw should also be wiped off in time.
2. Topping. Peach trees have a large number of secondary shoots, and topping is more likely to cause excessive secondary shoots and crown closure. Therefore, in addition to the young tree shaping, peach tree cultivation requires topping the main and side branches, the summer shears of peach trees generally do not encourage topping. .
3. Twist. When the upright twig is 25-30 cm long and half-lignified, hold the base of the new tip with your hand and twist it 180 ° at a position of 5-10 cm, so that it is obliquely grown or drooping is the twisted tip.
Generally, it is carried out from May to June. If the long branch emerges from the twisted place, the twisting can be carried out again. In addition to being selected as the extension branch and its auxiliary tip without twisting, other extension branches, competing branches, back branch of the backbone branch, long branch of the inner bore branch and the vigorous branch drawn near the large wound can be twisted Tip. Twisting can control the vigorous growth of branches, relax the tree vigor, and transform them into full fruiting branches, which has the double effect of results and renewal.
4. Thinning. When the new shoots are up to 30 cm long, the quality and quality of the branches can be judged according to their growth potential, thickness, and location, and the strong branches with appropriate positions can be selected, and the competitive branches, long branches, thin branches, dense branches can be sparse , Erect branches and drooping branches. After the fruit is harvested, some densely packed perennial branches, current branches, current branches or peripheral branches are removed.
5. Scissors. After flowering, for the fruit branches that have been set, a short shoot can be left on the upper part of the young fruit, and the middle and long fruit branches that have been flowered but not set can be left with 2-4 buds, so that they can produce fruit branches in the year. Before June, if there is room for the long branches germinating on the main backbone branches and inside the crown, you can leave 1-2 nodes at the base for ultra-short cutting, and cultivate small and medium-sized fruiting branches. If there is no space, you should sparse from the base except.
After the new shoots stop growing in September, cut the young shoots that have not been lignified at the apex, and enrich the branches, which can not only improve the quality of flower buds, but also enhance the ability of overwintering and cold resistance.
6. Take sticks. For the 60 cm long lateral shoots with long characteristics, change the growth direction by holding branches, that is, hold the new shoots with four fingers, press the thumb downwards, and push the four fingers upwards at the same time from the base of the new shoots. The tip moves, injuring the xylem, and the sound is heard but the branches are not broken. Nazhi is usually carried out from July to August.
7. Pull branches and top branches. Pulling branches is a key measure to alleviate tree vigor, young tree shaping, early results, and prevent bareness of the lower part of the branches. For main, side branches, or large upright branch groups with small opening angles and unsuitable extension orientations, support and pull can be used. Opening angle or adjusting orientation by using different methods, such as drop, drop, etc. The branching angle is generally around 80 °, and it cannot be pulled horizontally or drooping; for the main and side branches whose opening angle is too large, the branches with branches can be lifted up to reduce the angle, More than August.
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