Method for controlling yellowing of fruit trees

Abstract

The invention provides a method for controlling yellowing of fruit trees. The method comprises the following steps: step 1, selecting and cultivating fruit tree seedlings with disease resistance, andplanting the selected and cultivated fruit tree seedlings; step 2, performing soil amelioration fertilization on the field-planted fruit trees; step 3, applying a solution prepared from a small-molecule inducer to the fruit trees subjected to soil amelioration fertilization for the first time; step 4, performing topdressing with a mixed fertilizer formed by a nitrogen fertilizer, a phosphate fertilizer and a potassium fertilizer, and additionally applying an organic fertilizer at the same time; step 5, applying the solution prepared from the small-molecule inducer to the fruit trees subjectedto topdressing for the second time; step 6, applying an iron fertilizer to leaves of the fruit trees, and applying an acidic pesticide at the same time; step 7, applying the solution prepared from thesmall-molecule inducer to the fruit trees subjected to foliar fertilization for the third time; and step 8, infusing an iron-containing nutrient solution to tree bodies through a hanging needle infusion or drilling infusion manner. The method for controlling the yellowing of the fruit trees provided by the invention inhibits an occurrence of a yellowing disease of the fruit trees, improves quality of fruits, and achieves better economic benefits through adopting the small-molecule inducer, in combination with reasonable applying, management and control of water and a fertilizer for the fruittrees.

Description

technical field [0001] The invention relates to the technical field of application of small molecule inducers, in particular to a method for controlling yellowing of fruit trees. Background technique [0002] In the process of planting fruit trees, it needs to go through multiple stages such as seedling raising, loose soil, fertilization, weeding, and insecticide. Among them, in order to cope with the threat of fruit tree diseases, a large amount of pesticides need to be applied in the process of planting. The yellowing disease of fruit trees is a common disease, which refers to the phenomenon of yellowing or yellow-greening of part or all of the stems and leaves of fruit trees. When the existing fruit trees are planted, although the occurrence of yellowing disease can be suppressed to a certain extent by applying a large amount of pesticides, it will bring certain environmental pollution, and the residual pesticides are not conducive to human health. Therefore, in view of...

AI Technical Summary

Problems solved by technology

When the existing fruit trees are planted, although the occurrence of yellowing disease can be suppressed to a certain extent by applying a large amount of pesticides, it will bring certain environmental pollution, and the residual pesticides are not conducive to human health.