Prunus salicina hybridization breeding method

A hybrid breeding and female parent technology, applied in botany equipment and methods, plant genetic improvement, cultivation, etc., can solve problems such as easy to touch stigma, short operable period, and affect fruit setting rate, so as to prolong pollination time, The effect of increasing the pollination rate and improving the pollination effect

Inactive Publication Date: 2016-06-15
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the crossbreeding of plum tree mainly includes links such as pollen preparation, flower emasculation, artificial pointing, bagging isolation, and bag removal. Conventional crossbreeding has the following disadvantages: the one is that the steps are cumbersome, time-consuming and labor-intensive. Conventional crossbreeding includes pollen preparation, Flower emasculation, artificial pointing, bagging and isolation, bag removal and other links, only anther stripping, flower emasculation and artificial pointing, will take a lot of time and cost a lot of money; In the pollination process, especially during artificial detasseling, because the plum flowers are too small (the diameter of the balloon-shaped flower buds is less than 5mm), it is easy to touch the stigma with hand-held flower buds and remove the stamens with tweezers, causing mechanical damage and affecting the fruit setting rate; the third is operability The period is short, and sufficient manpower is required. Under the current trend of labor force transfer to cities and aging, concentrated demand and short construction period have become an irreconcilable pair of contradictions

Method used

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  • Prunus salicina hybridization breeding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Variety group: the female parents are Shuai Li and Yuhuang Li, and the male parent is Kuihong Li;

[0027] (2) Chinese plum hybrid breeding method, specific steps:

[0028] (1) Frame: In the dew-white stage, select 2 female parent trees, Shuai Li and Yuhuang Plum, with a height of about 2.2m. Use a thick bamboo pole with a thickness of 5-6cm and a height of 2.5m to build the main frame around the crown of the female parent tree. Thin bamboo poles with a thickness of 1.5cm and a length of 2m are placed across the top and middle of the thick bamboo poles, fixed with rice wire, and the joints of the bamboo poles face into the shed. 6 thick bamboo poles and 12 thin bamboo poles are shared;

[0029] (2) Buckle the shed: Cut and seam the 2.2m wide light-transmitting and breathable white pearl chiffon cloth to make a shed cover with a length of 4.1-4.2m, a width of about 2.1m, and a height of 2.5m, and buckle it on the top of the above-mentioned frame. On the scaffolding,...

Embodiment 2

[0036] A Chinese plum hybrid breeding method, the variety group is the same as in Example 1, and the basic steps are the same as in Example 1, the difference is that in step (3), 20 Kuihong plum flower branches are cut, and they are inserted on average in 2 tubes filled with tap water. In the bottle, other steps are with embodiment 1.

Embodiment 3

[0038] A Chinese plum hybrid breeding method, the variety group is the same as in Example 1, and the basic steps are the same as in Example 1, the difference is that in step (3), 20 Kuihong plum flower branches are cut, and they are inserted on average in 2 tubes filled with tap water. In the bottle; in step (4), release bees: put a box of bees in the canopy 3 days before flowering for pollination, and the bees do not feed syrup for the first 3 days, and other steps are the same as in Example 1.

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Abstract

The invention belongs to the technical field of hybridization breeding and in particular relates to a prunus salicina hybridization breeding method. The method provided by the invention is realized through the following steps: (1) during a revealing period, selecting female parent trees to be hybridized, wherein 2 to 3 plants of each variety are selected; erecting a shed frame capable of completely covering the female parent trees at the peripheries of tree crowns; (2) covering the shed frame with a shed cover and compacting the lower part with soil; (3) shearing flowering branches in a flowering period from male parent trees and inserting the flowering branches into a bottle filled with water; hanging the flowering branches to the upper parts of inner parts of the tree crowns of the female parent trees respectively; (4) putting one box of bees into the shed 3 days before flowering, and pollinating. The method provided by the invention is simple to operate and can be finished without a pollination tool, so that the method is suitable for large-batch hybridization; the pollination success rate is high and the hybridization success rate is high.

Description

technical field [0001] The invention belongs to the technical field of hybrid breeding, and in particular relates to a Chinese plum hybrid breeding method. Background technique [0002] Plum belongs to the small tree type, and most of the varieties are self-flowering and do not bear fruit. Hybrid breeding is an important way for the selection of high-quality and high-yield new varieties of plum trees, and it is the technical basis for the renewal of plum varieties. At present, the hybrid breeding of Prunus mainly includes links such as pollen preparation, flower emasculation, artificial pointing, bagging isolation, bag removal, etc. Conventional hybrid breeding has the following disadvantages: the one is that the steps are cumbersome, time-consuming and labor-intensive. Conventional hybrid breeding includes pollen preparation, Flower emasculation, artificial pointing, bagging and isolation, bag removal and other links, only anther stripping, flower emasculation and artificia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01G17/00
CPCA01G17/005A01H1/02
Inventor 薛晓敏王金政韩雪平陈汝王贵平
Owner SHANDONG INST OF POMOLOGY
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