Mixed fruit trees have many problems

In the production of fruit trees, many fruit growers have planted two or more fruit trees in the same field for a certain need. They do not know that unscientific mixed planting will cause problems such as mutual injury and mutual interference among fruit trees. According to the problems encountered in the production practice, the following are divided.

First, the mutual harm between fruit trees. Mixed walnuts and apples, walnut walnuts secreted by walnut trees will harm the adjacent apple trees.

Second, different tree species, the demand for water is different, because of water and dead trees. For example, in the pear orchard, because the pear tree needs more water than the peach tree, it will be watered according to the water condition of the pear tree. As a result, the peach tree will continue to die. If you take peaches into consideration and do not water the orchards, the pears do not grow well.

Third, increase the occurrence of certain pests and diseases in fruit trees. Peach and pear trees are mixed and planted. Peach pears and peaches are hosts of peaches and pears, which can easily lead to the occurrence of pear fruitworms. Mixing apples and peaches will increase the occurrence of root rot, ringworm, and anthrax. Mixed apples and pears, fruit rust pathogens lurking in pears for a long time can cause apple rust disease.

Fourth, the contradiction between the application of fruit trees. Bordeaux fluid is the most commonly used disease prevention agent for apples and pears. However, peaches are very sensitive to Bordeaux mixture and cannot be used during the growing period. If apple or pear orchard is mixed with peach trees, the spraying of Bordeaux mixture by apples or pears will inevitably flow into the peach trees, causing damage to peach trees. In addition, the variety, degree, and time of occurrence of various diseases and diseases of fruit trees vary and the medication will be different. When the sprayed tree species is sprayed, the tree species that should not be sprayed are passively applied due to the drift, accelerating the resistance of the insect pests and causing damage to natural enemies.

In view of this, it is advisable to plant a fruit tree species in the same field so as not to influence each other.

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