Ways to Promote Early Bearing of American Pecans

Abstract

The invention relates to a method for promoting early fruiting of pecans. The method comprises the following steps: carrying out lamination and germination acceleration on the pecan seeds; when the bud seedlings germinate to a plurality of new leaves, cutting the root of the bud seedling and dipping the bud seedling into a rooting solution, and then transplanting the bud seedling to a small root control device for rooting; when the nursery stocks grow to a proper roughness, carrying out square bud grafting; in the same year when the bud grafting is carried out, moving the variety seedlings outfrom the small root control device to prune the root after the fallen leaves are fallen, dipping the seedling into the rooting solution and transplanting the seedling to a large root control device for cultivation; according to different periods of bud grafting growth, sequentially spraying a growth promoting liquid for the first time, carrying out pinching for the first time, spraying a growth promoting liquid for the second time, carrying out pinching for the second time; in the same year, after leaves fall, trimming the root again, dipping the root into the rooting solution and transplanting the seedling to an orchard for field planting. According to the invention, the two kinds of root control devices are adopted for planting and then transplanting and root cutting technologies are adopted, so that the growth of the nursery stock can be controlled, and the lateral root quality of the nursery stock can be rapidly improved, the pecan trees in the united states can be rapidly formed,and the purpose that the fruits can be hung in 2-3 years in advance compared with conventional cultivation management can be achieved.

Description

technical field [0001] The invention relates to the field of crop cultivation, in particular to a method for promoting early fruiting of American pecans. Background technique [0002] American pecan is a world-renowned high-grade oil plant and a rare dried fruit tree species. It is rich in nutrients, and 89% of its fat is unsaturated fatty acid. It is a high-grade brain food. [0003] The introduction of American pecans in China began at the end of the 19th century and the beginning of the 20th century, and the seedlings used for the introduction and cultivation in the early stage were all seedlings. However, the childhood period of American hickory is too long. Usually, the fruiting time of seedlings is about 12 years, and it takes about 5 years for grafted seedlings to bear fruit. In recent years, due to breakthroughs in grafting technology, improved seedlings have been popularized and applied, developing rapidly, and the scale of planting has continued to expand. The cul...

AI Technical Summary

Problems solved by technology

Most importantly, due to the lack of understanding of the characteristics of American hickory in my country during the long-term introduction process and the large differences in business philosophy between the East and the West, a corresponding cultivation technology system has not been formed during the long-term introduction process. As a result, there are basically no high-yield orchards in China. Even if there are hanging orchards, the output is unstable and the quality is low, and the economic potential has not been fully realized.

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