What should I pay attention to in winter fruit trees?
First, postpartum fertilization
Why do you want post-fertilization? Because the fruit trees undergo germination, flowering, and fruiting in a year, the fruit is harvested. The tree that picks the fruit is like the mother who gave birth to the child. The body is very weak. If it is not timely provided and protected, it is very easy to be invaded by germs. This fertilizer must be a quick-acting fertilizer, which can be fertilized by water-soluble fertilizer, which can make the fruit recover more quickly. The earlier this stage, the better, and it will be late after the fruit enters the dormant period.
Second, the Qingyuan treatment
First of all, what is Qingyuan? Why do you want to clear the garden? In fact, the Qingyuan is to clean up the dead leaves of the orchard. Take the apple tree as an example. Some of the fruits of the bark often hide many diseases, such as red spiders, star caterpillars, leaf curlers and other pests. Eggs. Many people say that returning to the roots will turn into better nutrients. In fact, sometimes it is wrong to say that it is best to do incineration, because some of the branches and leaves are diseased leaves, or diseased branches, diseased fruits, and the diseases that cause fruit trees are generally These are caused by these inconspicuous small diseased diseased branches, because many pathogens have an incubation period. It is necessary to seriously clear the garden and not cause harm. It is too late to regret it.
Third, the control of pests
In addition to the cut off pests, the pest larvae that have been drilled into the trunk for wintering must be removed. After all, the embankment of a thousand miles collapses in the ant nest. You can kill a variety of larvae by using cotton dampened with dichlorvos emulsifiable concentrate and 100 times of water or by mixing it into the worm's mouth. In the orchard, scrape off the cracked rough skin on the fruit tree, brush the stone sulphur mixture to brush the white trunk, and kill the eggs. For the tigers in the soil, pests such as cockroaches can burn the tea cakes to browned and smashed with fire, then soak them in four times of hot water for four hours, and then cool them and pour them into the garden to kill them.
Fourth, the base fertilizer and cover grass
In the early winter of the fall season, fertilization is required once again. At this time, the fruit has entered a dormant period, and it is necessary to carry out deep soiling, and one plant is applied with sufficient organic fertilizer. Because the fruit trees began to wake up before and after the horror, the roots are the first to start the activity, the roots are to promote the infusion flow to transport nutrients, the branches become soft, and the germination begins. The nutrients needed during this period are all the fertilizers stored in winter. Covering a layer of straw after applying fertilizer is conducive to water retention and fertilizer protection, and can also enhance the anti-freezing of fruit trees.
In addition, you need to understand that flower bud differentiation is the result of a variety of endogenous hormone interactions, in which ethylene, abscisic acid and cytokinin promote the formation of flower bud differentiation, while auxin and gibberellin form a flower bud differentiation. It has a suppressing effect. You can spray the fruit tree 1-2 times with paclobutrazol before the new growth stops, which can promote the differentiation of the top bud into flower buds.
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