Apple is a common fruit in life. In the process of apple planting, root rot is a roadblock for apple growth. If it is not handled well, the whole apple tree will wither and die. This article will explain how to treat apple root rot.
During the cultivation of apple fruit trees, gardeners should strengthen the cultivation between apple and fruit trees, and management of extensive results in apple root rot symptoms in apple trees. The root rot of apple roots began to sprout in the roots of early spring, which harmed the roots of apples. The disease gradually developed from the upper part of the ground to the germination of apples. The root rot of apple roots will initially spread to the roots of apples and gradually spread to the roots of apples. In the early stage of apple root rot, reddish brown round spots are formed at the base of the roots, and the cortex of apple trees is rotted and then expanded to black roots. . When the apple root rot disease is light, the disease root can repeatedly produce callus and regenerate new roots. The pathogen of apple root rot is abundant in the soil and has a long-term saprophytic life. It can also parasitize the roots of fruit trees and exhibit weak parasitism. It is easy to cause apple root rot disease when the apple tree is weak. Most of the apple root rot diseases are in soil orchards, soil compaction, poor drainage and extensive management of orchards. The disease is relatively serious.
In order to prevent apple root rot in a timely and effective manner, gardeners strengthen the management between apple orchards, which is more conducive to the prevention and control of apple root rot. When gardeners plant apple trees, the apple trees should be properly planted, and the apple orchards should be deeply refurbished and deepened to deepen the apple soil. For apple orchards with relatively poor fertility, a variety of green manure should be used to increase the application of potash. Therefore, the amount of fertilizer applied is preferably 350 g of pure nitrogen, 150 g of phosphorus and 350 g of potassium per 50 kg of fruit. For orchards with severe root rot disease, timely pruning should be carried out to keep the apple trees strong and prevent the spread of the bacteria and disinfect them in time. The apple fruit tree can be irrigated with the medicine, and the apple fruit tree of the diseased part can be cut off, and the root of the apple tree can be irrigated by using the medicinal chlorhexidine 300 times liquid and the seaweed rooting agent-root basal 300 times liquid dilution. Irrigation 15-20 kg, apple tree 1 plant irrigation 30-50 kg, timely spraying to prevent apple root rot, the effect is better.
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