The reason for the decline in the quality of kiwifruit

Severely overloaded kiwifruit fruit trees have no physiological fruit drop phenomenon, and they have the physiological characteristics of "not to die." At present, the fruit orchard yield is generally too high, with an average yield of more than 3,000 kilograms per mu, and some orchards with a yield of 4,000 to 5,000 kilograms per mu. Excessive fruiting of fruit trees results in insufficient supply of nutrients. Not only does the fruit's soluble solids and fruit hardness decrease, its quality deteriorates, it is extremely intolerant of storage, and it causes the tree to weaken, which affects the annual production.

Fertilization does not scientific investigation found that late in the orchard does not pursue superior fruit fertilizer; orchard top dressing only, topdressing ammonium bicarbonate, urea or diammonium phosphate; orchard can not be reasonably formulated fertilization; orchard did not apply organic fertilizer and other fertilizer problems are caused The decline of soil fertility resulted in the serious occurrence of kiwifruit diseases and the debilitating trees, which directly affected the fruit quality and storability of kiwifruit.

Irrigated irrigation water Kiwifruit vegetative growth in the early period of more water demand, strict control of water later, but many farmers in order to increase production is often fed before harvest water, resulting in low sugar content, slow color, hardness, and thus affect The fruit taste, storage and shelf life.

The phenomenon of early harvesting is serious in order to plunder sources, and some cold storage warehouses often collect revenues one month in advance, which seriously affects the storability of fruits and shortens the shelf life of the market. There are also some fruit growers driven by interest that are eager to sell in mid-July or early August (the fruit is not ripe), resulting in softened fruit, poor taste, poor quality, and short shelf life.

The proportion of male and female plants in orchards that are extensively managed is imbalanced, and there are even no male plants. Inadequate artificial pollination resulted in poor fertilization, less fruit seeds, poor fruit shape, and reduced quality. At the same time, the pruning of fruit trees is not in place, and poor illumination is not conducive to the improvement of fruit quality.

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