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The order of aphid is carried out about 10 days before flowering. It should not be too early or too late. If it is carried out prematurely, the panicle has not yet been stretched. It is not allowed to stay, is too late, and consumes nutrients, which is not conducive to protecting the fruit. A total of 1/3 of the total length of the inflorescence is the best, and the panicles are removed at the same time to ensure that the ears are neat, beautiful, and increase commercial quality. If you want to keep the panicles, the panicles must also cut about 1/3 of their length from their tip.
Second, introduce new shoots and adjust the tree potential. The base of the Kyoho grape's new shoot is relatively thin, and it is easily broken from the base by the wind, resulting in baldness and reduced production. To prevent this loss and facilitate ventilation, the new shoots should be tied to the rack surface when they reach a length of 30-40 cm. . This can be: (1) strong shoots or leggy branches, before the flower from the base of the 1-2 joints at the position of the sprain and flatten the lead; (2) the middle shoots, with the inflorescence as the highest point of the bow to tie, in order to weaken the apical dominance, Transfer nutrients to the ears and facilitate flower bud differentiation at the base. After the new shoots grow to about 45 centimeters or to the mid-thickness shoot size, they are tied by the bow. In this way, it not only adjusted the tree trend of the year, but also laid a good foundation for the second year of high yield.
Third, the main tip topping. Results The toppings were carried out from 3-5 days before flowering to the beginning of the flowering period. If they were carried out prematurely, the shoots would have to compete for nutrition with the flowering spikes prematurely, but if the picking heart was too late, it would cause fruit drop and fruit drop. The result leaves 7-9 leaves; the development branch leaves 9-12 leaves; the ready-to-shoot topping is the same as the harvested leaves. The main extension stem topping should be performed around August.
Fourth, auxiliary tip processing. After the new shoots have been picked up, the generation of the shoots in the shoots of new shoots is accelerated and must be dealt with promptly. It usually takes 3-4 times during the whole growth period. the way is:
(1) The secondary shoots below the ear are all removed from the base; that is, the secondary shoot itself leaves no leaves; the secondary shoots above the ear are above the leaf shoots. After the rainy season and after the rainy season, they leave a leaf repeatedly topping, leaving 2-3 leaves in the rainy season. Repeatedly topping.
(2) All of the secondary shoots below the ear were removed from the base without leaving leaves. The secondary shoots above the ear had 1-2 leaves at the apex and took 4-5 leaves to be picked up, and then left to take 1-2 leaves again. The rest was removed from its stem. The above two methods can be used arbitrarily.
(3) Development of branches and extension of the branches of the apical apical 1-2 apical shoots left 1-2 leaves repeated topping, and the remaining axillary shoots can be removed without leaves.
(4) The auxiliary shoot of the preparatory shoot is the same as that of the result branch shoot.
Fifth, in addition to tendrils, pick old leaves. The tendrils of the grapes grow fastest in the process of plant growth. They are the peaks of the rush. The branches are artificially tied and the tendrils have no effect. Therefore, they must be removed at any time in conjunction with the summer management of other work. The ventilation and light transmission ensure the coloration of the grape. Good measures, in early August, properly remove some of the aging leaves.
First, sparse inflorescences, axillary spikes. Kyoho grape sparse inflorescence should be based on the strength of the shoot and the size of the plant load. Kyoho's average ear weight is about 400 grams, and the average yield per mu is 1600 kg. According to the requirements of average panicle weight and yield index, if there are too many panicles, the weak florets in two or more inflorescences should be removed before the first 15-25 days before flowering, and then the weak fruit branches should be Inflorescences dredged, leaving 1-2 inflorescences on strong branches, leaving 1 inflorescence on branch, leaving no inflorescences on weak branches, leaving 1 inflorescence on extension branches to control leggy, and preserving branches without leaving inflorescences to allow them to grow. robust. The inflorescence reserve before flowering is about 1/4 more than the expected flow rate. After fruiting, the fruit spikes with heavy fruit drop are removed.