There are many Rain Water in summer, what are the emergency management measures for grapes after the rainstorm? How to control aphids in the root?

Grape, also known as Putao, grass dragon ball, purple cherry, Bodhi seed, mountain gourd, is one of the oldest fruit tree species in the world, widely cultivated in the world. So what are the emergency management measures for grapes after heavy rain? How to control aphids in the root?

There are many Rain Water in summer, what are the emergency management measures for grapes after the rainstorm?

The main results are as follows: 1. Strictly control the soil water content and drain the stagnant water from the vineyard in time after rain, so that the clear water can not be seen in the orchard. For the vineyard soaked by Rain Water for a long time, the main vine can be brushed white with 1:10 lime water. In case of continuous sunny day exposure after heavy rain, dropper small water irrigation should be used to control orchard humidity stability.

2. After ploughing and flooding in time, the vineyard soil is easy to solidify and cause root hypoxia. When the soil is a little dry, we should seize the time to plough. When ploughing, we should increase the depth appropriately, mix the soil evenly and mash the clods. For Rain Water soaking for a long time in the park, after drainage, peel off the soil around the tree plate to dry, spread moisture, after 1-3 fine weather, cover the soil in time to prevent the grape root system from being exposed for a long time.

3. After waterlogging, the root system of foliar topdressing grape is easy to be damaged, and the ability of absorbing fertilizer and water is reduced, so it is not suitable to apply fertilizer to the root immediately. 0.3% potassium dihydrogen phosphate or 0.3% urea solution can be used for foliar topdressing. After the tree is restored, the mature human and animal feces, urine and cake fertilizer will be applied to promote the development of new roots.

4. Prune the broken branches in time to remove fallen leaves, diseased fruit and rotten fruit. For trees with serious root injuries, timely branch thinning, leaf cutting and fruit removal can reduce transpiration and prevent tree death.

5. Strengthening pest control for grape varieties that are precocious or on sale, it is recommended to use biological pesticides such as Wuyisin, matrine, polyantimycin or botanical pesticides. Chemical pesticides can be used to control immature mid-and late-maturing varieties, including protective fungicides such as baobethiram, mancozeb, trimethoprim and thiram, or internal fungicides such as difenoconazole, diniconazole and imiprazole, focusing on the control of anthracnose, gray mildew, downy mildew and white rot. Avidalin can be used to control red spider serious park.

How to control aphids in grape roots?

1. The yield of grapevines attacked by nodule aphids will gradually decrease until the trees die. The effective way to stop the spread of root nodule aphids is to graft with North American root rootstocks that can resist grape nodule aphids.

2. Aphid control needs to be sprayed evenly.