Cultivation techniques of Sweet Sapphire Grape

Sweet sapphire grape is a common grape in China, and its nutritional value is ten times higher than that of ordinary grapes, so the price is very expensive. At present, sweet sapphire grapes are planted in some areas. What are the cultivation techniques of sweet sapphire grapes?

I. selection of land and land preparation

Sweet sapphire grape has strong adaptability to soil, and can be planted in general soil, but it is best to plant in soil rich in organic matter. Then the soil preparation is divided into deep turning of the whole garden and trenching along the whole garden. During the soil preparation, sufficient organic fertilizer should be applied as the base fertilizer, and the organic fertilizer should be well mixed with the mature soil.

2. Cultivation

1. Cultivation time: spring.

2. Cultivation methods: grafted seedlings or direct seeding seedlings can be carried out. Grafted seedlings: before planting, wipe off the buds of the rootstock, remove the film and plant along the line, each plant distance is about 70cm. After planting, you need a lot of watering, and then fill the soil, cover it with a layer of straw and water it thoroughly, preferably with a layer of plastic film.

III. Field management technology

1, fertilizer requirements: after planting, watering every 7 days or so can better promote the growth of sapphire grape seedlings. Appropriate amount of compound fertilizer should be applied when watering, and foliar fertilizer should be sprayed every 15 days or so. Each season can be covered with a layer of withered grass in the field, and so on, the withered grass will produce nitrogen, which is beneficial to the growth of the plant after it is absorbed by the soil.

2. Scaffolding and pruning: when the sapphire grape seedlings grow to about 1m, the scaffolding can be built and the grape seedlings can be pulled to the scaffolding so that they can crawl on the scaffolding. There is also the pruning technology of sapphire seedlings is very important, first of all, to cultivate two main vines to promote rapid lateral growth, which is conducive to increase the yield of sapphire. The second is to carry out winter pruning, so that it can grow big ears after branching, which is the technique of pruning small dragons that people often talk about.

3. Flower and fruit thinning: the management of flower and fruit stage is to promote flower bud, flower and fruit protection, flower and fruit thinning and so on. Topdressing and watering before flowering is beneficial to many spikes and strong spikes, thus forming full flower buds.

Generally speaking, sweet sapphire grapes are easy to cultivate, as long as you choose a good site, wipe off the buds of rootstock before planting, then remove the film, plant it in the soil, and finally cover it with plastic film, do a good job of water and fertilizer, pruning and setting up, and so on.