Method for breeding horticulture type clustered floret rice material

A clustering and floret technology is applied in the field of breeding of horticultural cluster floret rice materials, which can solve the problems of shortage of horticultural rice materials, shortage of materials, difficult to obtain, etc. Effect

Inactive Publication Date: 2015-07-22
CHONGQING ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] One of the purposes of the present invention is to provide a method for selecting and breeding horticultural rice cluster floret materials for the shortage of horticultural rice materials and the difficulty in obtaining them. The method can effectively solve the shortage

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Step 1: Select Barnyardgrass barnyardgrass as the donor parent, and select the backbone restorer line Yuhui 7108 with excellent comprehensive agronomic characteristics bred by the "Yuyou" rice team of Chongqing Academy of Agricultural Sciences as the recipient. Somatic parent.

[0031] Step 2: Introducing barnyardgrass exogenous DNA: in the first spring in Chongqing, the total DNA of barnyardgrass with floret cluster characteristics was introduced into Yuhui 7108 by using the method of pollen tube introduction.

[0032] Step 3: Observation and selection of barnyardgrass DNA-introduced progeny materials. The introduced progeny materials were planted in Hainan in the autumn of the first year and harvested per plant to obtain D1 rice seeds.

[0033] Step 4: Plant 5-10 rows of each individual plant in Chongqing in the spring of the second year, and separately harvest the individual plants to obtain D2 rice seeds, and the D2 generation rice seeds are all stable.

[0034] St...

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Abstract

The invention discloses a method for breeding a horticulture type clustered floret rice material. The method comprises the following steps: selecting donor parents; introducing total DNA of barnyard grass into a formed rice material; planting an introduced DNA progeny material and performing single plant harvesting to obtain D1 seed rice; planting 5-10 rows of single plants of the D1 in a single plant row area and respectively performing mixed harvesting on the single plants to obtain D2 seed rice; planting 10-15 rows of single plants of the D2 and performing single plant harvesting on variant plants of the floret cluster characteristic and character partial donor barnyard grass to obtain seed rice D3; planting floret clustered single plants of the D3, screening and obtaining single plants with excellent performance to obtain D4 seed rice; selecting a floret clustered D4 generation with a good comprehensive property to perform adding-generation reproduction and obtaining the clustered floret rice material; selecting the floret clustered D4 generation with the good comprehensive property to hybridize with a formed parent material, creating a new clustered floret rice material. The method disclosed by the invention effectively solves the problem of shortage of the horticulture type rice material.

Description

technical field [0001] The invention belongs to the technical field of agricultural breeding, and in particular relates to a method for selecting and breeding horticultural-type clustered floret rice materials. Background technique [0002] For a long time, food security and supply guarantee have been the main functions of rice. With the development of society and the improvement of people's living standards, the functions of rice have gradually been given more food, health care, and appreciation from the single food security and supply guarantee. Many functions. Health-care and horticultural rice such as red rice and black rice, purple leaf and flower leaf have been more and more recognized by people. [0003] Therefore, it is of great practical significance to provide a breeding method for horticultural rice materials for the development of new functions of rice under new forms and to solve the shortage of horticultural rice materials. Contents of the invention [0004...

Claims

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Application Information

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IPC IPC(8): A01H1/04
Inventor 唐永群李经勇张现伟文明姚雄肖人鹏甘兴友
Owner CHONGQING ACAD OF AGRI SCI
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