Qing Yuan
Spring clearing is effective in eliminating overwintering larvae and eggs in the vineyard. There are two key aspects of the garden, one is to clarify the prevention of disease and sterilization first, and the other is to implement the prevention of insects and kill eggs and larvae first.
Unearthed at the right time
When the temperature is stable at 8 °C-10 °C, it can be unearthed, and the excavation process should pay attention to protect the branches of the tree, and the action should be light to prevent breaking and damaging the branches. After unearthing, the old skin must be peeled off first, peel off the old skin until the tree body is red, and you must not peel the tree body to expose the white, if it is white, it will hurt the tree body and weaken the tree momentum. Then let the bark in the sun, use ultraviolet light to sterilize and kill insects, tear off the old skin to be burned intensively, and at the same time to put the grapes on the shelf. Unearthing, peeling old skin, and putting on the shelves should be carried out simultaneously. In addition, pay attention to the process of tying the tree body during the shelf do not use plastic bags, it is best to use old cloth strips.
Matchmaking
The purpose of the bud is to remove the weak, small, useless buds and leave the strong buds. Leave the buds according to the shelf surface, 15 cm-20 cm to leave a strong bud, small varieties can be left by 15 cm, medium varieties can be left by 18 cm-19 cm, large fruit varieties must be left by 20 cm. Too many buds can easily lead to insufficient ventilation and disease. The work of wiping the buds must be done before the leaves are spread. Wiping the buds too late will compete with the strong buds for nutrients, consume the nutrients of the tree, waste nutrients, and lead to insufficient nutrients in the tree, which directly affects the yield.
Pick the side tips
The secondary shoots of grapes are generally vegetative branches, not hanging fruits, and the secondary shoots should be picked a week before flowering, leaving 1-6 leaves, which can be flexibly mastered to ensure that the leaves are well ventilated and transmitted. When picking the secondary shoots, we must pay attention to controlling the number of secondary tip leaves in time, not more than 6 leaves.
Control pests and diseases
Before and after the budding of grapes is a critical period for pest control, we must do a good job in the prevention and control of related pests and diseases. Before budding is the most important pest control period of the year, be sure to spray the garden cleaning agent, and eradicate the overwintering eggs in the garden in time. When the grapes have 3-5 leaves, they should be sprayed every week or so, which has a good effect on the prevention and control of black pox, gray mold, downy mildew, powdery mildew and anthracnose. There are two main types of pests after budding, thrips and green bugs. Control agents can choose cypermethrin, avermectin, chlorpyrifos, tebuconazole, azoxystrobin, carbendazim, etc., pay attention to the fact that chlorpyrifos can not be used after flowering.
That's it for the spring management of vines, I hope it will be helpful to you. If you want to buy high-quality and high-yield grapevine seeds, you can download the Seed Bank App, and the country's excellent grapevine varieties are available for everyone to choose.
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