First, pull the stick, heavy short cut
As a result, the site is shifted outwards, the base is bald, the growth is weakened, and the result is few. It is possible to reduce and cut from the better branches, to cultivate new branches, and to bred a robust mother tree, and the branches can also be used to produce new branches. Role to achieve three-dimensional results.
Second, wipe the bud
Each result has 3 to 4 full shoots in the upper part of the mother tree and 1 to 2 in the lower part. The small buds are cut off and the big buds are left. For the dense ones, the inner duck and the outer buds must be cut off. Nutrients promote plant growth and facilitate flowering and fruit setting.
Third, Shuxiong
Chestnut male flower nutrient consumption is large, so to remove the excess male flowers, the best removal effect every male inflorescence length 1 ~ 2cm, etc. After more than 10 days to grow male and female mixed inflorescence, while the following male flowers as long as 2 ~ Three male flowers are to be pollinated and the rest can be eliminated.
IV. Topping tips
After the chestnut mixed flower buds grow, the new shoots that continue to grow in front of them are the tips of the fruit. At this time, leaving 3 to 4 leaves topping can greatly increase the fruit setting rate and reduce the amount of awnings.
Fifth, artificial pollination
Select varieties with large grains, good quality, early maturity, and high affinity to pollinate trees. Males are picked before 8 o'clock in the morning when the male inflorescence changes from yellow to yellow. The collected male flowers are placed on a glossy paper to dry, ventilated, and free. The dusty place is turned several times a day, and pollen will be released after 24 hours. Pollen can be collected. When the stigma of the female stigma begins to fork, the brushing method is used. For the first mature female in the middle of a stigma, it can be pollinated several times.
6. Shu Peng
Excessive chestnut is not only not conducive to plant growth and development, but also results in the size of the fruit. Therefore, when the diameter of the chestnut reaches 0.5 cm, the excess chestnuts are removed and the nutrients are concentrated.
Shu Peng standard is: sparsely sparsely prosperous, sparsely branched and mature sparse, peripheral, sparsely sparse, inner sparse and lower canopy.
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