Thin-shell pecan cultivation method

Abstract

The invention provides a thin-shell pecan cultivation method. The method comprises the following steps that 1, rootstock seedlings are cultured; 2, the rootstock seedlings are managed before grafting;3, scion branch treatment is conducted, wherein lignified or semi-lignified current-year branches which grow and develop healthily are collected to serve as scion branches, compound leaves are removed, petioles which are 2-3 cm long are reserved, the upper portion and the lower portion of each scion bud are transversely cut once, the two sides of each scion bud are longitudinally cut once, longitudinal and transverse cuts are connected, bud slices are slightly peeled, and then the bud slices are soaked with a plant growth regulator solution; 4, grafting is conducted, wherein the scion branches are vertically inserted into rootstock notches at the daily average temperature of 25-30 DEG C before the rainy season comes and are tightly bound by means of plastic strips from bottom to top, 1-3leaves are reserved above each rootstock notch for rootstock cutting, and all leaves below the notches are removed; 5, grafting seedlings are managed. The cultivation method increases the germinationrate of thin-shell pecans, and the grafting seedlings has the advantages that the survival rate is high, growth vigor is strong, the seedling rate is high, the growth of the seedlings is uniform and consistent and the root system is developed.

Description

technical field [0001] The invention relates to the technical field of fruit tree planting, in particular to a method for cultivating pecans with thin shells. Background technique [0002] Thin-shell pecan (Carya illinoinensis (Wangenh.) K. Koch) is called American pecan. The trunk is straight, the crown is nearly broad and oval, the root system is developed, and it is resistant to water and humidity. It can be planted alone or clustered on lakesides, lawns, etc. It is suitable for garden shade trees and street trees. The urban and rural afforestation tree species and fruit material dual-use tree species can be used to build large economic forests on both sides of the Yangtze River in Jiangsu Province. The kernels are edible, and the delicious oil is squeezed for consumption; the material is tough, and it is an excellent military material. The oil content of the seeds is more than 70%. Because of its low seed germination rate and slow growth of seedlings, it is difficult ...

AI Technical Summary

Problems solved by technology

However, whether it is spring sowing or autumn sowing, it is difficult for annual seedlings to reach the level of grafting, and the growth is slow.

In order to make the thin-shelled pecans embark on the process of improving varieties and building bases as soon as possible, while accelerating germination and cultivating improved varieties, we started to tackle key problems in rootstock grafting technology. However, due to the low survival rate of grafting, the supply of grafted seedlings was in short supply. However, the seedlings have defects such as late production, small nuts, and poor adaptability, and are not popular in the market. Therefore, there are two key factors restricting the development of production. One is the lack of sufficient seedlings of good varieties, and the other is the lack of scientific systems. cultivation techniques