With the onset of winter, the northern sheds have led to the planting of dark summer grapes entering the winter cut-off period, and some of the methods for the winter cut-off of dark summer grapes have now been summarized to inform growers。
Basic overview of grapefruit
The aim of the raisin thawing is to achieve a stable yield of grapes by adjusting the tree structure so as to achieve the full long-term utilization of light energy and space, harmonizing nutritional growth with reproductive growth, and balancing tree positions. Here are three basic ways to trim them in winter
(1) cut. It is the removal of different chickens from the base, with the effect of improving wind conditions and improving the quality of fruit. Care should be taken not to remove the door branches at the same time, or to over-link the wounds so as not to impede the transport of nutrients, resulting in a decline in yields and quality。
(2) short cut. Based on the length of the cut, they are trimmed into long, medium, short (very short). 8-12 knots, 4-7 knots, 1-3 knots. The methods used vary according to the pattern of outcomes of different species. Long-screeching allows for the selection of the best budding results; long cut, which facilitates the expansion of the shelf and allows for early yield; and long main chickens, which help to protect the ground against cold. But if the level of management fails, the load is overweight and affects quality. Short trims are conducive to concentration of nutrition, good quality of fruit, up-to-date and easy to master. The mid-twilight cut-off is the main cause of the mid-twilight cut-off because of its good lumbering properties。
(3) the result is an updated shen trim. In order to prevent the result from rising, the lower part is bald and the female is constantly being updated. The way to do this is to pick a good new spot for the next year when the result is spring spring, and then it's just back in winter. However, due to the influence of the top edge, the chickens in the lower part are weak and difficult to update. Recapturing properly
Ii. References for summer black trim
The summer black grapes are mainly planted in dense areas, with a majority of 2. 4 metres in range, ranging from 0. 4 to 1 metres in length, and acre plantations ranging from 280 to 700. Using a double-crossing v-type frame, the tree is the main one。
1. Number of branches and germs
In view of the problem of preventing freezing in winter, triming in winter usually uses 3-4 sprouts, and it is suggested that the acreages be set at 2,000-3000, the sprouts at 4,000-7000 and the following year 2900。
It is also more applied in the northern part of the country, where there is insufficient and unstable sequencing if the accompanying technology is available, with more sequencing and a steady yield。
The preponderance of the sprouts was demonstrated by the savings in working hours and a significant reduction in the sprouts and rubs. It's sprouting, and it's good for sequence management. Problems are encountered: the sequence is smaller than in section iv, such as in poorly divided gardens。
Two buds of grapes for winter
Be careful with this. Four gardens are not suitable:
1) the first park of ten leaves or more. Because of the cumulative insufficiency of the two winter sprouts at the foundation of such parks, the sprouts are not well divided。
(b) high-yielding gardens with a lot of nuts. Because of the high consumption of such nutrients, the two incubation nutrients in the base department are not sufficient cumulatively, and the lumbers are not well divided, and it is not appropriate to cut them in winter。
3) a fall early leaves garden. The summer black grapes are very sensitive to the accumulation of nutrients in the autumn, and the fall leaves are poorly ploughed and cannot be cut in winter。
Four, the chickens are supercoarse. Trees with a length of 1. 2 centimetres or more, with two sprouts in the base and few bouquets。
Thus, the two winterly cut gardens must have the first cut of around seven leaves, the production of the plant must be controlled, the leaves must be preserved in the autumn, and the result of which the male branch must be grown by 0. 9-1 cm。
Iii. Winter cutting of grapes demonstration gardens
One or three years of tree density of 2. 2 m0. 8 m, 378 acres
Using 2-3 buds of winter shears, an average of eight branches, 3024 acres and approximately 7,000 acres。
2 the cut of the new seed
It's relatively simple to have new seedlings born every year. On the basis of the twigs required for the surface, it is guaranteed that there will be 20 new floors per square metre, that there will normally be four branches on the side of the water, that there will be four to five twigs per branch (as graphs) and that there will be 20 centimetres apart from two twigs per adjacent branch。
