Planting techniques of overhead Xiaolong dried grapes

Grape small dragon stem technology, also known as vine fruit tree unilateral technology, or double branch regeneration technology. Planting 480-529 plants per mu, 2 main vines, super-long pruning, all main vines inclined to the north, 2 main vines produced 10 fruiting branches in the front section, and 2 main vines produced 2 preparatory branches in the base section, with double frame surface and elevated surface.

After planting for one year, the yield per mu can easily exceed 10 thousand Jin, which is far more than twice that of other technologies. The ears are big, the particles are big, the quality is high, and the color is beautiful. The parts made will never move up. One person can manage 10 mu. Because of its quick effect, high yield, high efficiency, simplicity, labor saving and money saving, it has been rapidly popularized and has now become an alternative technology.

1, seedling planting

The open field and greenhouse are arranged in rows from north to south, with the plant spacing of 0.7m and the row spacing of1.8-2m, and 480-529 plants are planted per mu. Each plant has two main vines, one becomes two and the other becomes two.

2. Cultivate two main vines

First, after planting and germination, only two main vines are left to grow upright, and when they grow to 1.7 meters, they are allowed to hang on the ground.

Secondly, an auxiliary vine appears on each node of the main vine, each of which is 20 cm long and drooping.

Third, after the main vine grows to 1.5 meters, spray flower bud promoting drugs to promote flower bud formation.

3, two main rattan winter scissors

Cut when the leaves fall in winter, the main vines are too long, cut from 1.7 meters, and all the auxiliary vines are cut off. The buds on the lower part of the main vine are small and the buds on the upper part are large. Using the big buds on the upper part of the main vine, large spikes will be produced after branching.

4, Snapdragon fight.

V-shaped double fence frame is adopted. 1 layer steel wire is 0.4m above the ground, and it is bound and fixed on the column. The second layer of steel wire is 2 meters from the ground.

5. Two main vines on the shelf

The lower part of the main vine is inclined to the next plant, and the greenhouse must be inclined to the north in winter and tied with 1 steel wire. The upper part of the main vine exceeds the planting place of the next plant, and the exceeding part is a big bud.

6. Pruning of branches and ears

First, the buds at the lower part of the main vine are small, and spikelets or even no spikes appear after branching, so the buds at the lower part of the main vine are smoothed after branching.

Second, the buds on the upper part of the main vine are large, and large spikes grow after branching. These branches with fruit ears are called fruiting branches, and each main vine has five fruiting branches. Because the upper part of the main vine exceeds the next plant, the first plant bears fruit at the second plant position, and the second plant bears fruit at the third plant position-and so on.

Thirdly, when the branches grow to eight leaves, the auxiliary vines and winter buds are erased, leaving only one winter bud to germinate and grow for the second time, and then grow to the upper steel wire before heading, so that the auxiliary vines and winter buds on the branches are erased in time, the growth of the branches is controlled, the nutrient consumption is reduced, and the fruit development is promoted. However, the leaves are easy to age after bud smearing, and it is necessary to spray drugs to prevent aging.

7. Cultivate two new main vines.

After sprouting on the shelf, two new main vines (that is, preparatory branches) are left at the base of the two old main vines and hung on the middle steel wire of the upper layer. The cultivation method of the two new main vines is the same as that of the two old main vines in the previous year, so as to prepare for the next year's recurrent fruit.

8. Cut the fruit after picking in winter.

Cultivate leaves before picking, cultivate leaves after picking, and do not shade or cut leaves after picking. When pruning in winter, only two new main vines are left, and it is still cut from 1.7 meters, and all auxiliary vines and fruiting branches are cut off. This cycle, year after year. You can choose a suitable cultivation frame according to your own specific situation. Pay attention to topdressing Woye water-soluble fertilizer after pruning to supplement nutrients.