The typhoon weather has caused great damage to the citrus. After the typhoon crosses the border, it is necessary to actively take corresponding first-aid measures according to the specific conditions of the victim and do a good job in nursing care in a timely manner to minimize wind damage.

1, remove water, clean up the ditch

During the typhoon, it is necessary to do a good job of trenching drainage work, keep the drainage in the park open and prevent flooding, and to repair the floodplain, repair flood ditches and dig wells; prevent flash floods and reduce soil erosion.

After the typhoon, the water in the plains orange garden should be eliminated as soon as possible. In particular, deep trenches should be opened to lower the groundwater level and prevent the emergence of pulp roots.

Some time ago, high-temperature and drought, suddenly encountered rainfall, fruit cracking phenomenon, early in the drought-free orchards can retain the cracks, accelerate the evaporation of water in the tree.

2, loose soil, care wounded branches

After the flooded orange soil is compacted, it has poor ventilation. Take loose soil, remove a part of the top soil with a thick layer of soil, and then cover a thin layer of coked earth or other covering material.

Branches that have been blown off by typhoons should be cleared in time. Floating floating objects on trees should be cleared early. Plants that are blown or bent by the wind must be righted in time, filled with soil, and pillars should be used to support and reinforce the tree.

3, foliar fertilizer, disease prevention pest control

At this time, during the period of citrus coloration and physiological differentiation of flower buds, citrus trees damaged by typhoon, especially citrus trees that have been inundated for a long time, have severely damaged roots and have reduced ability to absorb fertilizers and water, thus failing to meet the normal growth of the aboveground parts. Top dressing can achieve nutrient and moisture supplements and promote growth. Can spray phosphorus and potassium source pool + sea elves biological stimulants (more cracked fruit can spray balanced foliar fertilizer, use high-phosphorus high potassium foliar fertilizer carefully, so as not to increase cracking fruit), promote nutrient accumulation, is conducive to fruit sweetening Coloring and laying the foundation for flower bud differentiation.

Citrus trees that are damaged by typhoon and flooding are highly susceptible to pathogens such as canker, anthracnose, brown rot, and resinous diseases; they also need to pay attention to citrus lilies, Bactrocera dorsalis, stinkbugs, red spiders, and rust. Spiders and other insect pests should conduct a comprehensive prevention work on sunny days after rainfall.

4, early maturing varieties, timely harvest

It's best to wait for the sunny harvest. Otherwise, during the storage and transportation of fruits, it is easy to appear rot. After picking, it can be kept fresh in time, and 45% Prochloraz aqueous emulsion or imazalil can be used.

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