Method for promoting hybridization of willows

A willow and female flower technology, applied in the direction of botany equipment and methods, applications, plant gene improvement, etc., can solve the problems of low hybridization success rate, complicated operation, low hybridization seed setting rate, etc., achieve easy management, increase hybridization seed setting rate, The Effect of Accelerating the Process of Willow Hybrid Breeding

Inactive Publication Date: 2011-10-05
INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
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Problems solved by technology

[0002] The existing willow hybridization method has low hybridization su

Method used

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Embodiment Construction

[0016] A method for promoting willow hybridization, comprising the steps of:

[0017] (1) Collection of female flower branches: The female flower collection time is from February 5th to February 20th. Take 60-80cm long branches free of diseases and insect pests, with a thickness of not less than 1cm, and remove slender side branches and some female flower buds. The number of female flower buds to be thinned is 1 / 2 / ~2 / 3 of the total number of flower buds, and the wound formed by side branch thinning is sealed with wax;

[0018] (2) Cultivation of flowering branches: The cultivation of flowering branches adopts the nutrient solution hydroponics method. The collected female flowering branches are placed in the greenhouse, the temperature is controlled at 20~25°C, and the nutrient solution is used for hydroponics; the formula of the nutrient solution used is:

[0019] a) Take 800~1000mg of disodium edetate and 500~600mg of ferrous sulfate, dissolve disodium edetate and ferrous sul...

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Abstract

The invention discloses a method for promoting the hybridization of willows, which comprises the steps of collecting female flower branches, culturing the flower branches, pollinating and the like. In the invention, the hybridization place is centralized, and the management is convenient; the hybridizing technique is easy, and large-scale operation can be realized; flower forcing is performed by using carbon dioxide, the blooming time of female flowers can be advanced to promote the success of the hybridization; and the hybrid offspring is cultured in nutritional solution, full seeds can be produced, and the fruiting rate of the hybridization can be improved by over 80 percent. When the method is used, the hybridization breeding process of willows can be effectively accelerated, and hybrid seeds of willows can be obtained within 15 to 30 days.

Description

technical field [0001] The invention relates to a willow hybridization method. Background technique [0002] The existing willow hybridization method has low hybridization success rate, complicated operation and low hybridization seed setting rate. Contents of the invention [0003] The purpose of the invention is to provide a method for promoting willow hybridization which is easy to operate and has a high hybridization rate. [0004] Technical solution of the present invention is: [0005] A method for promoting willow hybridization is characterized in that it comprises the following steps: [0006] (1) Collection of female flower branches: The female flower collection time is from February 5th to February 20th. Take 60-80cm long branches free of diseases and insect pests, with a thickness of not less than 1cm, and remove slender side branches and some female flower buds. The number of female flower buds to be thinned is 1 / 2 / ~2 / 3 of the total number of flower buds, an...

Claims

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Application Information

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IPC IPC(8): A01H1/02
Inventor 张健李敏陈惠李玉娟丛小丽
Owner INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
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