Cultivation method of actinidia kolomikta

Abstract

The invention relates to the field of fruit tree cultivation, in particular to a cultivation method of actinidia kolomikta. When leaves of the actinidia kolomikta start to go red, 5%-15% of shading net is adopted for shading. On the basis of determining the colored leaf occurrence space and time rule, the method aims at the situation that the photo damage phenomenon of color leaves is likely to happen at the development later stage, so that the leaf photosynthesis efficiency is affected. The method is characterized in that the occurrence period and the occurrence position of the color leaves of the actinidia kolomikta are investigated for the first time, on the basis of understanding the occurrence rule of the colored leaves, the photosynthesis efficiency of the colored leaves under different shading degree conditions is measured from the perspectives of the photosynthetic rate and the photochemical activity through shading in the key period when photo damage is likely to happen, the shading degree through which photo damage of the colored leaves can be avoided and the photosynthetic rate cannot be reduced is screened out, therefore, the high photosynthesis efficiency of the colored leaves can be kept within the whole growth period, and it is avoided that photo damage of the colored leaves is generated, so that the leaf photosynthesis efficiency is seriously reduced and even lost.

Description

technical field [0001] The invention relates to the field of fruit tree cultivation, in particular to a method for cultivating kiwi fruit. Background technique [0002] Actinidia kolomikta (Maxim.&Rupr.) Maxim.] is a perennial vine of the family Actinidiaceae, and is an important fruit tree resource in my country. Its fruit is rich in nutrients, and its Vc content can reach 634mg / 100g (Lu Juan, 2009; et al., 2014), known as "super fruit". An important biological feature of Actinidia kiwifruit is the growth of a large number of colorful leaves. During the flowering period, the number of white leaves accounts for up to 85% of the total leaves on the new shoots (reproductive branches), and the average value can reach 59%. Therefore, the crown of the tree during the flowering period Layer leaves are mainly composed of white leaves. Under artificial cultivation conditions, these colorful leaves are easily damaged by light in the middle and late stages of growth, which serious...

AI Technical Summary

Problems solved by technology

Under artificial cultivation conditions, these colorful leaves are easily damaged by light in the middle and late stages of growth, which seriously affects the production of photosynthetic products of leaves, and ultimately affects yield and quality

At present, most of the existing shading cultivation technologies are aimed at tissue culture seedlings or negative plants, but the research and technology to prevent photodamage in the later stage of the development of Actinidia kiwifruit color leaves have not been reported.