Detailed Explanation of Field Management Techniques for Summer Black Grapes
Summer Black grape is a high-quality grape variety with various advantages such as strong disease resistance, high yield, early ripening time and high storability. It now has a very large planting area in our country. As the market demand for Summer Black grapes grows, the requirement for yield is also getting higher and higher. If you want high yield, doing a good job in field management is very important. So today, the editor brings you the field management techniques for Summer Black grapes. Let's take a look!
1. Water and Fertilizer Management
When establishing the orchard, we should apply sufficient farmyard manure, and apply fertilizer once every year afterward, controlling the amount well according to the planting area. After the seedlings grow about 8 leaves, topdressing can begin, about once every half a month. In the early stage, nitrogen fertilizer is mainly used, and in the later stage, phosphate and potassium fertilizers are emphasized, until topdressing stops in September. If the rainy season is encountered during planting, drainage work must be done well, and drainage ditches should be dug to prevent waterlogging from damaging the roots. However, in the dry season, attention should also be paid to replenishing water. Both the amount of water and fertilizer should be kept within the range required by Summer Black grapes.
2. Fruit Bagging
Fruit bagging is a very important fruit-protection measure when growing fruit. So growing grapes is no exception; reasonable bagging work can effectively prevent and control pests and diseases, reduce pollution, and so on. It is of great help to the yield and quality of Summer Black grapes. When bagging, we should pay attention to choosing the right bags; the bags must ensure strong permeability and good drainage capacity. If the bag is too closed and water accumulates, it can easily cause the fruit to rot. Then we must master the bagging time and bagging method well to ensure yield and improve planting efficiency.
3. Fruit Enlargement
Fruit enlargement treatment is also a very important management task for growing Summer Black grapes. If fruit enlargement is not done, the berries of Summer Black grapes will be small, and their commercial value will also be affected and decline. Fruit enlargement work is generally carried out about half a month after the flowers fade. The main enlargement agent is gibberellin, and the spraying target is the fruit clusters. Then, after about half a month, spray and repeat once. Alternatively, when the berries grow to the size of soybeans, gibberellin can be used to dip the fruit clusters.
4. Pest and Disease Control
Pest and disease control for Summer Black grapes is also very important. First, we need to do a good job in preventing and controlling diseases such as black pox and downy mildew, especially in the first year. When the seedlings grow 3 leaves, spray a fungicide about every 9 days for disinfection. At least more than two kinds of fungicides should be selected and used in rotation to prevent pathogens from developing resistance and losing the disease-resistant effect. Finally, we should often observe their growth conditions. When abnormal conditions occur, we should promptly find out the cause and then take corresponding measures.
The above is a brief introduction to the field management of Summer Black grapes. Field management is very important, so everyone must pay more attention to it. That's all for today's introduction. This article is for reference only, and I hope it can help everyone!