After the vineyard is flooded, the degree of flooding, the height of the waterline, and the type of rootstock vary greatly. The longer the time, the higher the waterline and the more serious the damage. Generally, 12 to 24 hours of flooding is moderately harmful; 24 to 48 hours is severely harmful; more than 48 hours is extremely serious.
Scientific prevention of moderate phlegm damage mainly includes cracked fruit, white rot, sunburn, and airburn. At the same time, it is necessary to pay attention to the use of root-passing and root-filling agent to quickly restore the grape roots. Severe and above, mainly to preserve trees, cut off some fruits, branches and leaves, the heavier the damage, the more parts are cut off, spray the new high-fat film and protect the tree generals to disinfect the anti-bacteria, reduce transpiration and reduce the root pressure of the grapes.
Timely remediation should be promptly drained, promptly drenched after water withdrawal, and foliar sprayed with new high-fat film and fulvic acid to supplement organic acids to prevent severe smoldering after rain. After the surface is dry, drip irrigation or rushing to apply root + high calcium and magnesium content of water soluble fertilizer + amino acid, improve resistance, regulate the soil, prevent cracking and other symptoms after the flood. After the application of water-soluble fertilizer, it must be loosened and breathable. At the same time, the whole garden uses the tree-protecting general 100 times liquid to spray the leaves evenly and uniformly, and the whole tree is disinfected.
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