Old pomegranate tree fruit-cracking-prevention management method

Abstract

The invention belongs to the technical field of pomegranate tree cultivation, and particularly relates to an old pomegranate tree fruit-cracking-prevention management method. The old pomegranate treefruit-cracking-prevention management method comprises the steps of arrangement of a covering object, watering solution management in the young fruit quick growth period, anti-cracking solution management in the fruit development middle and later period and erecting of a shading net. Compared with the prior art, through corresponding management in different growth periods of old pomegranate trees,the accumulation of nutrient substances of pomegranate fruits can be promoted, and pomegranate cracks caused by strong illumination are avoided through the shading net; meanwhile, the influence on fruit accumulation since bagging influences sunlight is prevented, then appropriate fertilizer and water management is utilized to improve the toughness of pomegranate fruit peel, so that the nutrient quality of fruits is improved on the premise that the fruit cracking rate of the old pomegranate trees is lowered, and the management method is suitable for being applied and popularized.

Description

technical field [0001] The invention belongs to the technical field of pomegranate cultivation, and in particular relates to an anti-cracking management method for old pomegranate trees. Background technique [0002] Pomegranate has been cultivated in China for more than 200 years. Its fruit is rich in nutrition, juicy, sweet and sour, and is popular among consumers. The cultivation area is increasing. There will be fruit cracking, especially 10-15 days before harvesting, when the fruit cracking is the most serious. Fruit cracking will not only reduce economic benefits, but also cause pollution to the orchard, waste tree nutrition, and cause high yield and low harvest in the pomegranate orchard. Research on the cause of pomegranate fruit cracking in technology, found that the main reason for fruit cracking is poor adaptability to the external environment, and the number of pores in the pericarp is large and large. When the fruit is about to be harvested, the pericarp cells n...

AI Technical Summary

Problems solved by technology

[0002] Pomegranate has been cultivated in China for more than 200 years. Its fruit is rich in nutrition, juicy, sweet and sour, and is popular among consumers. The cultivation area is increasing. There will be fruit cracking, especially 10-15 days before harvesting, when the fruit cracking is the most serious. Fruit cracking will not only reduce economic benefits, but also cause pollution to the orchard, waste tree nutrition, and cause high yield and low harvest in the pomegranate orchard. Research on the cause of pomegranate fruit cracking in technology, found that the main reason for fruit cracking is poor adaptability to the external environment, and the number of pores in the pericarp is large and large. When the fruit is about to be harvested, the pericarp cells naturally age, the differentiation ability decreases, and the cell gap becomes smaller. The ductility of the tissue decreases and becomes relatively compact. The outer testa grows rapidly when it is close to maturity. The growth speed of the seed and the inside and outside of the peel is different, and the growth force is inconsistent, resulting in fruit cracking. At the same time, at this stage, the raw gum in the peel tissue is hydrolyzed into Soluble pectin, the reduction of pectin calcium in the intercellular layer reduces the strain force of the pericarp and leads to fruit cracking; excessive water and fertilizer will also cause imbalance or excess of water and nutrients in the plant, the fruit absorbs too much and the growth rate of the endoplasm is faster than that of the pericarp speed, leading to fruit cracking during the expansion period of young fruit, and the influence of the environment and water and fertilizer will also be prone to fruit cracking. In the prior art, bagging and water and fertilizer management are usually used to reduce the mechanical trauma of pomegranate fruit, and form a buffer for its temperature and humidity, so that the peel remains stable. Fresh and alive, reduce the fruit cracking rate of the fruit, but bagging will affect the accumulation of nutrients in the pomegranate fruit, especially for pomegranates over 21 years old, and the operation is relatively cumbersome. How to reduce the fruit cracking rate of pomegranates without bagging, Further research is needed to improve