Aiming at the bottleneck of the production of citrus mid-maturing varieties, concentrated in the market, high acid content in the normal harvesting period, and poor fruit-growing efficiency, the application of this technology to achieve the extension of the mid-maturing and mid-late ripening citrus, quality improvement Increased efficiency, meeting market demand and increasing farmers' income. The tree staying fresh technology does not depend on the storage, does not need energy consumption, does not require the drug to soak the fruit, is simple and efficient, and has strong practicability. It has been widely promoted in Sichuan, Chongqing, Hubei and other provinces with good results.
Technical points:
1. Location selection, choose the warm microclimate environment in winter to carry out tree storage.
2, orange tree selection. Choose late-maturing varieties for tree storage. Orange trees with a tree age of more than 8 years and strong trees should be selected in the orange garden with excellent soil quality and fertile soil, as the object of “retaining trees for preservationâ€.
3. Based on the normal management of the citrus orchard, the base fertilizer will be applied in the middle of October. Spray insecticidal fungicide and 2,4-D, 2~3g/100kg in late October or mid-November. In the middle of November and early December, the canopy mulch was completed before the winter frost and low temperature, and the film was uncovered in mid-February. Navel oranges and blood oranges can be harvested until the end of April of the following year. The ponkan can be harvested until the end of February of the following year.
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