Cultivation method for increasing blueberry anthocyanin content and fruit internal quality

Abstract

The invention relates to a cultivation method for increasing the blueberry anthocyanin content and the fruit internal quality. The cultivation method comprises the following steps of (1) establishing an orchard, and preparing soil; (2) preparing a mixed matrix which is prepared from the following components in mass percent: 35 to 45% of saw dust, 25 to 30% of leaf mold, 15 to 20% of straws, 4 to 10% of pig manure organic fertilizer, 6 to 9% of river sand and 1 to 4% of perlite, wherein the sum of the mass percent is 100%; (3) field-planting; (4) reshaping and pruning; (5) managing fertilizer and water: laying silver reflector films on both sides of crowns along the lines of trees at the earlier stage of color change of blueberry fruits, wherein the outer edges of the reflector films are aligned with the outer edges of the crowns, the films are not pierced during pressing, and the films are not removed until fertilizer is applied after harvesting; (6) harvesting: harvesting in batches because the blooming sequence of the blueberry fruits in inflorescence is one after the other and the mature stages of the fruits are different, wherein the fruits are mature when the surfaces of the fruits change from turquoise to red to bluish violet to purple black, and generally, harvesting is performed once every two to three days at a full fruit stage and is performed once every four to six days at a primary fruit stage and an end fruit stage.

Description

technical field [0001] The invention relates to a cultivation method for improving blueberry anthocyanin content and fruit intrinsic quality, and belongs to the technical field of fruit tree cultivation. Background technique [0002] Blueberry is a nutritious fruit rich in vitamins, minerals and protein. It is loved by people because of its sweet and sour taste. focus on. The root system of blueberry is shallow and the ability to absorb nutrients is weak. During the planting process, it is easy to produce growth stagnation and flowers but not fruit. At the same time, blueberry fruit is not easy to clean, and pesticides must be used as little as possible during the planting process. Therefore, pollution-free blueberry planting method has received much attention. [0003] Blueberry is recognized as a healthy food in the world. It is sweet and sour, and has a refreshing and pleasant aroma. Blueberry fruit contains a lot of carbohydrates, amino acids, anthocyanins, ellagic aci...

AI Technical Summary

Problems solved by technology

In recent years, with people's understanding of blueberries in our country, the market demand is increasing, and its planting area continues to expand. Many areas in the south have begun to plant blueberries. On the one hand, blueberries like to be born in acidic soil conditions, on the other hand Because the root system is very slender, the main root is underdeveloped, and there are many fibrous roots, it can hardly grow well on the heavy soil. However, the farmland soil in the southern region is distributed in many areas. Most of the farmland has been flooded for a long time, and the soil has become sticky. Heavy, no void structure, poor ventilation and water permeability, some farmlands have a high pH value, which is neutral to weakly alkaline, and can only be harvested after 3-5 years of growth. The planting investment is large, the benefits are slow, and the ripening season is fixed. Motivation affected

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