Method for improving drought tolerance and yield of wheat based on trace element nano fertilizer

By spraying silicon, iron and zinc trace element nano-fertilizers on wheat leaves, the problems of drought tolerance and insufficient yield of wheat under drought conditions were solved, and significant growth and yield improvements were achieved, especially the combination of iron and zinc nano-fertilizers. Best results when applied.

CN119325868APending Publication Date: 2025-01-21FOOD CROPS RES INST YUNNAN ACAD OF AGRI SCI
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Patent Information

Application Number
CN202411465847.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-01-21

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Abstract

The invention discloses a method for improving drought tolerance and yield of wheat based on trace element nano-fertilizers, which is characterized in that different trace element nano-fertilizers are applied independently and in combination, and after wheat drought occurs, the trace element nano-fertilizers are used as leaf fertilizers to be sprayed on wheat leaves. Influences of single and combined application of silicon, iron and zinc trace element nano-fertilizers under different degrees of drought stress on wheat morphology and physiology, oxidative stress indexes, antioxidant enzyme activity, yield and quality are analyzed. The result shows that the growth index, the oxidative stress index, the antioxidant enzyme activity, the yield and the quality of the wheat are remarkably improved after the silicon, iron and zinc microelement nano fertilizer is singly or jointly applied. In various combinations, the combined application of the iron and zinc trace element nano-fertilizers shows the best effect in the aspect of relieving the negative influence of wheat drought stress, which indicates that the combined application of the trace element nano-fertilizers can improve the drought tolerance and yield of wheat.
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