Shuguoding peach trees are very early mature, early mature, late-maturing varieties. The young fruit is not the same time it enters the hard core. Therefore, fruit thinning must be cooked before mid-maturing. From early May onwards, the early maturing varieties will be established. Mid-May mid-maturing varieties and mid-late maturing on May 25 to early June will be the most reasonable. For advanced species, fruit thinning should be carried out earlier to reduce nutrient consumption and promote the growth of new shoots and fruit cell division of young fruit.
Top dressing supplementation The nutrient allocation in mid-May transitions from the use of the storage nutrition phase to the use of the nutrition phase of the year. Applying top dressing during this period can shorten the period of nutrient conversion and make peach trees grow normally and robustly. In the hard-core period, organic phosphorous and organic potassium are mainly consumed, which is also the period when calcium is needed most. Calcium can promote the growth of the first fibrous roots, promote the absorption of calcium, prevent nuclear cracks, and reduce fruit drop during ripening. It is recommended that mineral crystals be added with biomyxin, and weaker milk proteins can be added based on tree vigor and yield.
Bagging is generally done in middle-early maturing varieties, while medium-late maturing varieties are more. It is advisable to enter the bag in May to prevent a large number of fruit drops after bagging without a physiological drop. It is recommended to use paper bags. Before the bagging, calcium magnesium, calcium, and other calcium fertilizers must be sprayed during the young fruit period to prevent the occurrence of physiological diseases such as "flower face disease" and fruit cracking.
Plant protection, plant protection is a guarantee, and every link is no matter how good it is. Failure to do a good job of plant protection will inevitably result in a total loss and great losses. Therefore, timely prevention must be carried out according to the occurrence of various pests and diseases.
Chemical control and control is an indispensable technical measure in the growth period of peach trees, especially the growth period of early maturing varieties. Control in place, ventilation, light transmission, robust development, secondary sprouting less, a large fruit, good coloring, reducing the growing season pruning workload, saving time and labor. Mainly based on the strength and weakness of the tree to determine the time and amount, generally the new shoot length to 15 to 20 centimeters is appropriate.
The summer cut in mid-May is the first important period of pruning in summer, and it must be done. The main method is to re-pick the heart (short cut), to eliminate the back and unreasonable excess sprouting, to achieve the redistribution of nutrients, so that the fruit, the development of the branch up and down and inside and outside the balanced growth. The strong tree branch of the tree, the leggy branches can germinate 2 to 3 secondary shoots by plucking the heart (short cuts), which can turn into good fruiting branches and improve lighting conditions. The short cut is to cut off 4 to 6 inches of the more prosperous shoots and leggy branches in the middle of May and end at the latest by the end of May. For large trees with disjointed light legs, the long branches on the back can be modified through the use of short cuts, resulting in oblique fruiting branches or branching in the late June to make room for more production.
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