First aid measures for citrus after rain and hail
1, timely drainage, reduce the level of orange orchard
After the heavy rain, drainage should be cleared in time to reduce the water level of the orange orchard and prevent the water level from being too high and cause rot.
2, timely pruning, promote strong new shoots
The number of citrus branches and leaves damaged by the locust plague was large, and severely damaged branches should be cut off; branches with severe fallen leaves should be appropriately retracted; and shoots that were shot down and trimmed should be promptly cleaned up.
3, timely spraying, to prevent infection
The locust-relief causes more branches and wounds, which can easily lead to infection by a large number of pathogens. When the weather is fine, spray 80% of mancozeb 600-800 times or 70% thiophanate-methyl 600-fold or 75% chlorothalonil 800 times, spraying 1-2 times every 10-15 days. Second, to prevent black spot, scab, anthrax outbreak. At the same time can be added 3% acetamiprid 2000 times plus 1.8% more than 6000 times love to collect, keep flowers and protect against aphids and leaf nails. When spraying carefully, evenly spray, do not leave dead corners, depending on the circumstances of the orange garden, but also should spray 1-2 times foliar fertilizer to promote the growth of leaves.
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