Peach trees to prevent falling flowers should be started from the following points:
Strengthen comprehensive management to ensure nutrient supply
The fruit set rate and the development of young fruit are closely related to the supply of nutrients. First of all, we must strengthen the management of the last year of the previous year to form a good flower buds and improve the nutritional level, such as autumn leaves, Shiji Fei and so on. In the year, fertilization, watering, and pruning ensured nutrient supply, and took measures such as topping the shoots and spraying borax 0.1% to 0.5% during the flowering period to regulate the flow and supply of nutrients.
Guaranteed pollination and fertilization
(a) Biological pollination. Insects pollinate and bees are released during flowering. The shed must pay attention to the bees: 1. The built-in honeycomb box should be far away from the air outlet in the shed, and the nest box should be closed tightly to the left and right, and the bee mouth should be placed facing south. 2. Dig a pit in front of the nesting box and put some water on time to keep the soil moist to facilitate nesting. 3. Put a little honey or sugar in the nest box mouth.
(b) Artificial pollination. The artificial point selection process is tree selection - flower collection - take anthers - take pollen - storage - pollination - artificial points, as long as you use the brush to teach between the different flowers, artificial points to the day of flowering the same day the best pollination, in the morning From 9 to 10 o'clock in the afternoon to 3 to 4 o'clock, in case of bad weather, it should be done several times.
(c) Application of plant growth regulators and trace elements. It can not only increase the fruit setting rate, but also can prevent fruit diseases and lobular diseases. In addition, polypeptin can improve leaf function and promote fruit setting.
Other measures
Highly pollinated flowering branches, especially greenhouses equipped with pollinating trees, need to exchange some large branches for high pollination. Hang the bottle and insert the flower branch, and cut the other flowers with the bud to be inserted into the bottle filled with water and hang it in the upper part of the tree to be pollinated. Topping up, especially for those who do not have good temperature control and lead to over-prosperity of new shoots, can significantly reduce the occurrence of falling flower and fruit drop.
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