How to Grow Kyoho Grapes? A Detailed Explanation of the Latest Key Cultivation Techniques

Kyoho grapes originally came from Japan and were introduced to China in the 1990s. Kyoho grapes differ from other grapes in that they are relatively difficult to manage, because they have a very serious problem with flower drop and a low fruit-setting rate. However, they have high value; Kyoho grapes contain abundant moisture and also have a relatively high sugar content, and they contain a powerful oxidant that can effectively resist aging and clear free radicals from the human body. Although they are difficult to manage, there is still a considerable planting area in our country. Below, I will bring you information about the management of Kyoho grapes

1. Fertilization and Irrigation

Kyoho grapes have a large demand for fertilizer and water, and their requirements for nitrogen, phosphorus and potassium fertilizers are especially strict. Experiments have shown that 100 kg of berries require 1:0.3:1 kg of nitrogen, phosphorus and potassium fertilizers. Therefore, appropriately increasing the application of organic fertilizer and foliar fertilizer in winter can effectively improve fruit quality. However, it should be noted that Kyoho grapes have relatively vigorous growth, and during the rapid growth period, attention should be paid to the amount of nitrogen fertilizer used. If nitrogen fertilizer is used excessively, it will cause the plant to grow excessively, leading to flower and fruit drop, and it will also affect the yield of the following year. During this period, some phosphorus and potassium fertilizers should be appropriately increased. From after Kyoho grapes bud until the later berry coloring stage, sufficient water should be ensured for the grapes. Irrigation should be stopped half a month before harvest.

2. Training and Pruning

Grapes must be trained and pruned, otherwise the plant will be too long, and overly rapid growth will cause poor fruit development. For training, trellises and T-shaped frames can be used for cultivation, and each vine must not have more than 3 main canes. During winter pruning, the middle and long shoots should be pruned, and there should be about seven fruiting mother branches per square, and they need to be staggered one above another to ensure air and light penetration between the branches and canes. New shoots should be pinched in a timely manner, and on secondary shoots at least one leaf should be retained for repeated pinching.

3. Flower and Fruit Thinning

Many people find when finally harvesting Kyoho grapes that the quality of the Kyoho grapes is not very good, which reduces the commercial value of the grapes. In fact, the main reason for the reduced quality is excessive yield. The yield should be appropriately controlled, and the yield per mu should be around 2000 kg. The tree vigor should be adjusted through flower and fruit thinning, keeping the tree vigor moderate, with the goal of achieving stable yield distribution. After the fruit expands, small berries, diseased berries, cracked berries and other undesirable berries should be promptly removed.

4. Fruit Bagging

Now the technique of fruit bagging has become more and more mature, because fruit bagging can greatly reduce the incidence of diseases and can also ensure that the fruit is not harmed by pesticides, birds, bees and other external factors. It can enhance the glossiness of the fruit skin, keep the fruit bright, and improve quality. Bagging can begin after physiological fruit drop occurs in the grapes. When the grapes grow to the size of soybean grains, thin the flowers and fruit, then spray thiophanate-methyl. After the pesticide dries, bagging can begin, and the bags can be removed half a month before harvest.

The above are the cultivation methods for Kyoho grapes. When planting Kyoho grapes, you cannot grow them the same way as ordinary grapes. This is because Kyoho grapes have relatively serious flower drop, a low fruit-setting rate, and relatively serious problems such as fruit cracking and fruit drop. Therefore, everyone must master a correct cultivation method in order to achieve the goal of high and abundant yield, and you must not fail to remove fruit from the plant just for the sake of high yield. If you want to learn more related information, please continue to follow Qinnong Network!