Efficient prevention and control method for citrus juice sac granulation and application thereof

By spraying gibberellin and/or brassinolide at specific stages of citrus tree growth, the problem of granulation of citrus fruit juice sacs was solved, resulting in improved fruit quality and yield. This method is applicable to the prevention and preservation of citrus fruit.

CN122030403AActive Publication Date: 2026-05-15POMOLOGY RES INST GUANGDONG ACADEMY OF AGRI SCI
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Patent Information

Application Number
CN202610164067.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-05
Publication Date
2026-05-15
Estimated Expiration
2046-02-05

AI Technical Summary

Technical Problem

Citrus fruits are prone to granulation of juice vesicles during the ripening period and post-harvest storage, resulting in less juice and a bland taste. Existing cultivation and management measures are not effective in controlling this when the fruit yield is insufficient, especially in years with low yields.

Method used

At specific developmental stages, exogenous application of gibberellin and/or brassinolide to the entire citrus tree can have a synergistic effect when used in combination, inhibiting granulation of juice sacs. It can also be sprayed together with foliar fertilizer, making it simple to operate and easy to promote.

Benefits of technology

It effectively inhibits citrus juice cell granulation, improves fruit quality and yield, significantly increases the solids and vitamin C content of the fruit, and extends the storage period, making it suitable for large-scale application.

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Abstract

The invention belongs to the technical field of fruit tree cultivation management and postharvest preservation, and particularly relates to an efficient prevention and control method for citrus juice sac granulation and application thereof. In order to reduce the citrus juice sac granulation rate and improve the fruit quality and yield, the invention discloses a prevention and control method for citrus fruit juice sac granulation, namely, gibberellin or / and brassinolide are / is sprayed to the whole citrus tree exogenous source in the specific development stage, and conventional orchard cultivation management measures are adopted after the gibberellin or / and brassinolide are / is sprayed. Experiments show that both gibberellin and brassinolide can effectively inhibit citrus juice sac granulation and improve the fruit quality and yield, and the combined application of gibberellin and brassinolide has a significant synergistic effect. The method adopts a whole-plant spraying mode, is convenient and fast to operate, can be mixed with a leaf fertilizer for spraying, is high in practicability, is easy to popularize and apply in a large scale, and has important significance on quality improvement and yield increase in the citrus industry.
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