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Method of promoting flowering and fructification of arbor willow in advance

A flowering and fruiting, arbor technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems affecting the breeding process of arbor and willow, and achieve the effect of shortening the production cycle and improving genetic gain.

Active Publication Date: 2014-06-25
INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

Interspecific hybridization and vegetative propagation of willow are easy, but it takes three years for the cutting seedlings of willow to bloom and bear fruit, which affects the breeding process of willow

Method used

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Embodiment Construction

[0015] A method for promoting early flowering and fruiting of Arbor willow. The steps are as follows:

[0016] (1) Cuttings and cuttings: In mid-February, select flower branches that grow vigorously, are free from diseases and insect pests, and accumulate nutrients from willow trees that have entered the growth period. Cuttings with a thickness of 15cm and a thickness of 1-1.2cm. Then soak the cuttings in the wicker cutting solution for 8 hours, and then cut them directly in the seed garden that has been prepared according to the row spacing of 50cm*60cm.

[0017] (2) Pruning: Prune the willow branches in fine weather in May, erase the 2 / 3 of the young shoots at the lower end of the main pole, and pick the new shoots on the upper part of the main pole, so as to inhibit the crazy growth of the main shoots and transform the vegetative growth of the plants For reproductive nutrition, spray 20ml / L gibberellin on the branches after pruning, and prevent insect damage in the growth...

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Abstract

The invention discloses a method of promoting flowering and fructification of an arbor willow in advance. The method of promoting flowering and fructification of the arbor willow in advance comprises the steps that cutting, clip and fertilization are carried out, wicker flower promoting liquid is sprayed on tender shoot stems of the willow every other fifteen days after the midmonth of the January of the next year until the beginning of the March, pinching is carried out on a young shoot, and an upper assistant shoot and a lower assistant shoot are cut out; and wicker fruit retention liquid is sprayed on a flowering branch of the willow every other ten days in the period of fructification until seeds are collected in the midmonth of the April. The method of promoting flowering and fructification of the arbor willow in advance can enable a cutting seedling of the arbor willow to flower and fruit in one year, shortens two years compared with a traditional method, and establishes the foundation for shortening a starting production period of willow fine breeds, improving genetic gain in unit time, researching a heredity judging technology for improving characters of the arbor willow, and accelerating generation research.

Description

technical field [0001] The invention relates to a method for promoting early flowering and fruiting of arbor willow. Background technique [0002] Willow is the collective name for species of Salix in the family Salicaceae. Salix is ​​very rich in tree species. There are more than 500 species of trees and shrubs in the world. It is an important tree group with important ecological and economic value. Interspecific hybridization and asexual reproduction of willow are easy, but it takes three years for the cutting seedlings of arbor willow to bloom and bear fruit, which affects the breeding process of arbor willow. Contents of the invention [0003] The object of the present invention is to provide a kind of method that effectively shortens the flowering and fruiting time and promotes early flowering and fruiting of arbor willow. [0004] Technical solution of the present invention is: [0005] A method for promoting early flowering and fruiting of Arbor willow is charact...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 李敏张健李玉娟王莹谈峰丛小丽唐伯平
Owner INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
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