Grape cultivation techniques in Liaofeng

Liaofeng grape is a Eurasian variety with good commodity characters and belongs to medium-ripe varieties. Its fruit is round or oval, the pericarp is blue-black and easy to color, and the fruit powder is thick. Today, I would like to introduce you to the cultivation techniques of Liaofeng grape.

I. Cultivation

Apply decomposed farm manure, 12000 jin per mu, put the prepared seeds into the hole, and then cover the soil. In the later stage, it is necessary to use two-tooth hooks to thin the roots on the surface of the ditch, reduce the root quantity, control the vigorous growth, and retain the covered grass curtain to prevent frost damage.

II. Pickling

Two leaves are reserved on the grape cluster before flowering to prevent flower and fruit dropping, and 6~8 leaves are reserved for pruning. Each ear should retain more than 1~2 leaves, and ensure that the leaf age is reasonable.

III. Plastic

Before flowering, pinch off 1~2 large accessory ears and remove a few ears from the tip. After fruiting, thinning small fruit, abnormal fruit and sick fruit, the number of fruits per ear to ensure 50~60.

IV. Bagging

Spray broad-spectrum fungicide to prevent grape downy mildew and white rot before bagging, and bag immediately after medicine drying. The paper bag should be fixed on the new shoots, not wound on the cob shaft, in case of strong wind even the ears are scraped off together. Before picking, the bag is not opened, the fruit can reach the blue-black standard in the bag, and the fruit can be picked late in time to improve the coloring degree and sugar content of the fruit.

5. Fertilizer and water management

Early spring control germination fertilizer, can spray a compound foliar fertilizer. After fruit setting and fruit expansion period, spraying 0.3% urea on leaves twice in succession, topdressing with bean cake and compound fertilizer, bean cake 0.8 jin per tree, compound fertilizer 0.3 jin per tree.

VI. Prevention and control of diseases and insect pests

The shelves should be sprayed with a 5-degree sulfur mixture, including fungicides, pesticides and foliar fertilizers. Effectively prevent plant infection and improve yield.

The above is the introduction of Liaofeng grape cultivation technology, hoping to help fruit farmers