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Pollination method of high-efficiency litchi hybridization

A lychee and high-efficiency technology is applied in the field of pollination of high-efficiency lychee hybridization, which can solve the problems of large workload, changing local environment of female flowers, and low pollination success rate, and achieve the effects of improving work efficiency, saving manpower and material resources, and improving seed setting rate.

Inactive Publication Date: 2017-06-30
广西作物遗传改良生物技术重点开放实验室 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The traditional pollination method of litchi hybrid breeding: firstly, when the male litchi flowers are in full bloom, the pollen is manually collected and stored, then the pollen is isolated in bags one day before the female flowers bloom, and then the pollen is isolated in bags after the manual pollination is completed, and then bagged again after two or three days Hanging tags requires a lot of work, labor and time, has many disadvantages, and often encounters many unavoidable problems, such as: (1) Manual collection of pollen, artificial pollination, artificial bagging, etc. The workload is large, labor-intensive and time-consuming, and the efficiency is low. And it

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  • Pollination method of high-efficiency litchi hybridization

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Experimental program
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Effect test

Embodiment 1

[0029] A kind of pollination method of efficient litchi hybridization, comprises the steps:

[0030] (1) The preparation of the female parent and the male parent of the litchi potted tree: select the litchi tree species with the same flowering period of the female parent and the male parent, and plant the strong and disease-free litchi female parent and the male parent seedlings in the flower pot; The diameter of the flower pot is 70cm, and the depth is 50cm; the crown height and diameter of the seedlings are 1.4m; the number of the female and male seedlings of the litchi tree is ≥10;

[0031] (2) The construction of the litchi pollen isolation net cover: the isolation net cover includes: the net cover skeleton body, which can adjust the height according to demand; the cover sheet 1 is an insect-proof gauze covered on the net cover skeleton body; Sheet 2 is the plastic film for isolating pollen covered on the frame body of the net cover; cover sheet 3 is the rainproof plastic ...

Embodiment 2

[0035] A kind of pollination method of efficient litchi hybridization, comprises the steps:

[0036](1) The preparation of the female parent and the male parent of the litchi potted tree: select the litchi tree species with the same flowering period of the female parent and the male parent, and plant the strong and disease-free litchi female parent and the male parent seedlings in the flower pot; The diameter of the flowerpot is 90cm, and the depth is 80cm; the crown height and diameter of the seedlings are 1.6m; the number of the female and male seedlings of the litchi tree is ≥10;

[0037] (2) The construction of the litchi pollen isolation net cover: the isolation net cover includes: the net cover skeleton body, which can adjust the height according to demand; the cover sheet 1 is an insect-proof gauze covered on the net cover skeleton body; Sheet 2 is the plastic film for isolating pollen covered on the frame body of the net cover; cover sheet 3 is the rainproof plastic fi...

Embodiment 3

[0041] A kind of pollination method of efficient litchi hybridization, comprises the steps:

[0042] (1) The preparation of the female parent and the male parent of the litchi potted tree: select the litchi tree species with the same flowering period of the female parent and the male parent, and plant the strong and disease-free litchi female parent and the male parent seedlings in the flower pot; The diameter of the flower pot is 80cm, and the depth is 60cm; the crown height and diameter of the seedlings are 1.5m; the number of the female and male seedlings of the litchi tree is ≥10;

[0043] (2) The construction of the litchi pollen isolation net cover: the isolation net cover includes: the net cover skeleton body, which can adjust the height according to demand; the cover sheet 1 is an insect-proof gauze covered on the net cover skeleton body; Sheet 2 is the plastic film for isolating pollen covered on the frame body of the net cover; cover sheet 3 is the rainproof plastic ...

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Abstract

The invention belongs to the technical field of litchi hybridization breeding, and specifically relates to a pollination method of high-efficiency litchi hybridization. The method is developed according to the characteristics that litchis are monoecious, female and male flowers of a same litchi tree bloom at different times and in batches, and the litchis are pollinated mainly depending on entomophily (bees); litchi hybridization pollination is performed by taking the bees as a medium; the preparation method comprises the following steps: preparation of litchi potted trees, setting up of a separation net enclosure of litchi pollen, preparation of a beehive, and pollination. The method disclosed by the invention is simple and convenient in operation; manual pollen collection, manual pollen bagged separation and artificial pollination are not needed. Therefore, the method is suitable for pollination between any litchi trees with female and male flowers having the same flowering stage. Through application of the method, manpower and material resources are remarkably saved, the working efficiency of litchi hybridization breeding is greatly improved, and the method also has an effect of preventing diseases and insect pests, so as to improve the seed setting rate of litchi hybridization fruits is improved.

Description

technical field [0001] The invention belongs to the technical field of litchi hybrid breeding, and in particular relates to a high-efficiency litchi hybrid pollination method. Background technique [0002] Litchi (Litchi chinensis Sonn.) is a famous subtropical evergreen fruit tree of Sapindaceae (Sapindaceae) Litchi (Litchi Sonn.), which originated in China. "Lingnan Fruit King", "Fairy Fruit on Earth", "Buddha Fruit" and "Fruit King" are well-known both at home and abroad. Our country is rich in litchi germplasm resources. So far, the national fruit tree germplasm Guangzhou litchi garden has collected and preserved more than 350 litchi varieties, strains, and single plants, of which more than 140 varieties, but only more than 30 varieties cultivated as commercial products. . my country is the largest producer of lychees. However, with the rapid development of the lychee industry, many prominent problems in the industrial structure have begun to emerge. A major problem i...

Claims

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Application Information

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IPC IPC(8): A01H1/02
CPCA01H1/02A01H1/027
Inventor 丁峰张树伟卢江彭宏祥
Owner 广西作物遗传改良生物技术重点开放实验室