First, the adjustment of bitter gourd plants
1, stent. Bitter gourd has many side vines, and the fence should be inserted so that the stems and vines are more fully distributed on the shelves. It is better to use a nylon thread to form a mesh rack, which can reduce the shading and distribute the vines. When using a bamboo pole with a diameter of 1.5-2.0 cm as a bracket, a wind resistant pile should be pulled between the rows and the rows.
2, pruning. Bitter gourd is dominated by the main vine. As the main vines are very fast and their branching ability is strong, if they are allowed to grow too much, the result is too much fruit. The fruit development is slow, the size is irregular, the harvesting is delayed, and the quality is also poor. Therefore, the pruning must be carried out. There are two methods of pruning, according to the actual situation: 1 side vines less than 50 cm from the ground to remove in time, the main vine grows to the top of the rack when picking the heart, leaving 3-5 strong side vines, side vines two Stick melons again. When tending to tie vines, tendrils and male flowers should be removed to distribute the side vines, and small or dense and aged vines should be removed in time to reduce shading. 2 When the main vine grows to about 1 meter, it will be picked up and left with two strong side vines instead of the main vine. The secondary side vines will be properly preserved.
3, picking leaves. In the middle and later stages of bitter gourd growth, the amount of melons is larger, the vegetative growth is weakened, the reproductive growth is strengthened, the pruning can no longer be carried out, but the aging leaves, yellow leaves, diseased leaves, malformed melons, insect melons, diseased melons must be promptly removed. And part of the no melon, no female flowers, sick branches, prevent nutrient consumption.
Second, melon plant adjustments. Due to the small space in the overwintering greenhouse and the high density of cultivation, in order to make full use of the space in the greenhouse to obtain ideal ventilation and light conditions for melon, and to obtain high yield and excellent quality of melon, it is necessary to prune melon plants in the greenhouse. The pruning should make the stems and leaves be distributed reasonably and evenly to prevent stems and leaves from closing, so as to make full use of the land and solar energy as principles.
1, the adjustment of melon plants. With fine bamboo cutting racks, single vine pruning with a fine bamboo basket, double vines pruning two fine bamboo baskets, the top and bottom of the frame with bamboo woven together to increase the stability. There are three methods of pruning: 1 single vine pruning. 5-6 leaves began to bind vines, single vine pruning main vines do not pick up the heart, the middle part of the vines in the 12-15 leafhoppers as a result of vines, after sitting in the melon to leave two of them, each vine on the end of a melon, melon Leave 2 leaves before topping. The remaining vines were all removed. The main vines were picked up to 25-30 leaves and picked up. The two vines were left on top, leaving 3-4 topping. 2 double vine pruning. When the 3-4 seedlings of the seedlings are unfolded, they are tossed, and the two vines are selected to be drawn to the rack. The result is selected at the 11th to the 12th section of the middle of the seed vines, and 1-2 leaves are left in front of the cucurbits after sitting on the cucurbits. , Each son spread 1 melon, 25-30 leaves topping. Double-branched pruning of the squash is slightly less, but the single squash is larger and the yield is not low.
2, wolfberry cultivation melon pruning. When the main vine spreads 5-6 leaves, it will be picked and left with 3-4 vine seeds. The vine vines will have 5-7 leaves topping. The vine spreads on the seed vines. Sun vine leaves 2-3 leaves before flowering. Sunk vines that are not covered with melon are properly removed, and 50-60 leaves are kept per plant. Large varieties stay 2-3 melons per plant, and small breeds leave 3-4 melons. After sitting in the melon is generally no longer topping to increase the leaf area and promote fruit development.
3, matters needing attention: 1 timely pruning. Stem vigorous growth period in time to pruning and vine, vine spread to the rapid expansion of the fruit is the vine vigorous growth period. The growth of stalks can reach 9-14 cm in one day. The stalks must be pruned in time for the rapid extension of the vines, and the seeds should be picked in time after pollination to promote the growth of squash and fruits. 2 Sunny pruning. The pruning should be carried out after 10 o'clock in the morning on sunny days. The pruning in rainy days or in the morning due to the humidity in the shed is not easy to heal, and it is easy to cause the infection. 3 security features leaves. Pruning should ensure that there are more functional leaves in fruit enlargement and maturity. When the fruit is enlarged, the more functional leaves, the more nutrients are supplied to the fruit. 4 side of the cranberry to pick up the heart can not be too early. Because the growth of the plant roots depends on the supply of leaf nutrients, it is appropriate to remove the collaterals late to promote root development. The production can be picked up when the side branches grow to 4-5 cm.
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