Don’t let the fruit tree “heatstroke”

Since the beginning of the volatility, due to continuous high temperature and drought, the leaves of some apple orchard fruit trees began to curl, wither and even fall off due to water loss; some orchard fruit trees with poor drought resistance have stopped growing, and the dry orchards in all areas should take high temperature in time according to their own conditions. Drought remedies:

Timely irrigation or foliar spray

For orchards with convenient water sources, a small amount of irrigation can be used to keep the soil moist during the drought. You can also spray water on the canopy several times before 9:00 am or after 4 pm to cool the entire canopy. It can also add water to the tree to reduce the fruit drop caused by high temperature and water shortage.

Do not weeding the tree tray

Covering is a fundamental measure to reduce evaporation of ground water. It can make full use of straw, weeds, etc. to cover the orchard. If the weeds in this period are overgrown, do not carry out weeding work, use weed cover, keep water and slow down moisture. Evaporation to mitigate the dangers of drought.

Strengthen production management and timely increase fat

Long-term high temperature and drought, causing fruit tree weakening, fruit water content is small, after the drought is relieved, it is necessary to strengthen production management, spraying 0.2-0.4% potassium dihydrogen phosphate once in time to increase the potassium content of the tree. Immediately after the rain, the nitrogen fertilizer will be added once again to restore the tree potential and prevent a large amount of cracked fruit caused by heavy rain after the drought, which will bring greater losses to fruit production.

Timely prevention of pests and diseases

After high temperature and drought, the fruit trees are generally weak, which may lead to the occurrence of pests and diseases. According to the law of disease occurrence of different fruit trees, spraying carbendazim, methyl thiophanate, Dasheng M-45, chlorhexidine and broom in time. Net, avermectin, triazolyl, etc., to prevent the occurrence and harm of pests and diseases, to avoid causing early leaves, so that the tree potential will recover as soon as possible.

Reasonably trimming branches

Pruning the fruit trees during high temperature and drought, so that the branches add new wounds and increase the transpiration of the trees, which must aggravate the hazards. If it is necessary to trim, some pests, weak branches, long branches, etc. can be trimmed. When trimming, it should be as short as possible, and should not be cut again to alleviate the tree potential and reduce the consumption of water by vegetative growth. In the growing period of the fruit tree, the excess germination can be wiped out in time, and the excess branches can be removed to reduce the number of branches and leaves and reduce the amount of water transpiration.


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