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Method for breeding special industrial high-resistance rape variety
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A technology of rapeseed and varieties, applied in the field of special rapeseed disease-resistant breeding, to achieve the effects of increasing rapeseed yield, reducing labor costs, and increasing economic benefits
Inactive Publication Date: 2017-04-26
FUJIAN AGRI & FORESTRY UNIV
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Summary
Abstract
Description
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Problems solved by technology
For more than a century, a lot of work has been done on the occurrence and control of rapeseed diseases at home and abroad, but the situation of serious damage to rapeseed diseases has not been fundamentally changed; therefore, breeding and utilization of disease-resistant varieties are more and more popular. attention
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Effect test
Embodiment 1
[0021] (1) High erucic acid rapeseed variety Mianyou 13 (P1), glyphosate herbicide-resistant rapeseed variety Q3 (P2), rapeseed variety Zhongshuang 9 (P3) resistant to Sclerotinia sclerotiorum, and rapeseed virus-resistant variety Lingot (P4), rapeseed white rust resistant variety Regent (P5) was used as the hybrid parent, and P1 was used as the female parent to cross P1 / P2, P1 / P3, P1 / P4, P1 / P5, and 4 hybrid F 1 , respectively with F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 means;
[0022] (2) planting F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 each with 10 plants, crossed P12 / P13, P14 / P15 at the flowering stage, and obtained recrossed F 1 Generation Seed F 1 -P123, F 1 -P145;
[0023] (3) planting F 1 -P123, F 1 -P145, self-bred in bagging at flowering stage, F 2 Generation Seed F 2 -P123, F 2 -P145;
[0024] (4) Plant F separately 2 Generation Seed F 2 -P123, F 2 -P145, plant 350-400 plants per combination, combination F 2 -P145 is used for virus disease and whi...
Embodiment 2
[0035] (1) High erucic acid rapeseed variety Mianyou 13 (P1), glyphosate herbicide-resistant rapeseed variety Q3 (P2), rapeseed variety Zhongshuang 9 (P3) resistant to Sclerotinia sclerotiorum, and rapeseed virus-resistant variety Lingot (P4), rapeseed white rust resistant cultivar Dongfu No. 1 (P5) was used as the hybrid parent, and P1 was used as the female parent to cross P1 / P2, P1 / P3, P1 / P4, P1 / P5, and 4 hybrid F 1 , respectively with F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 means;
[0036] (2) planting F 1 -P12, F 1 -P13, F 1 -P14, F 1 -P15 each with 10 plants, crossed P12 / P13, P14 / P15 at the flowering stage, and obtained recrossed F 1 Generation Seed F 1 -P123, F 1 -P145;
[0037] (3) planting F 1 -P123, F 1 -P145, self-bred in bagging at flowering stage, F 2 Generation Seed F 2 -P123, F 2 -P145;
[0038] (4) Plant F separately 2 Generation Seed F 2 -P123, F 2 -P145, plant 350-400 plants per combination, combination F 2 -P145 is used for virus disease ...
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Abstract
The invention belongs to the technical field of special rape disease resistance breeding and discloses a method for breeding a special industrial high-resistance rape variety. The method includes that a high-erucic-acid rape variety, a glyphosateherbicide resistant rape variety, a sclerotinia sclerotiorum resistant variety, a rape virusdisease resistant variety and a rape white rust resistant variety are taken as parents and subjected to hybridization, multi-cross polymerization and multi-generation resistance identification, erucic acid content measurement, agricultural and yield trait screening to obtain a special industrial high-resistance rape variety which is highly resistant to three diseases, resistant to glyphosate herbicide and high in erucic acid content. The special industrial high-resistance rape variety is resistant to diseases, planting the variety can reduce weeding labor cost and farm chemical consumption and increase yield, rape oil is high in erucic acid content, and erucic acid produced by taking rape oil as a raw material is quite extensive in industrial application.
Description
technical field [0001] The invention specifically relates to a breeding method for industrial special high-resistant rapeseed varieties, and belongs to the technical field of special rapeseeddisease-resistant breeding. Background technique [0002] Organic chemical raw materials represented by petroleum and natural gas have played a very important role in the chemical industry. However, with the continuous development of the earth's mineral resources by human beings, non-renewable resources such as oil and natural gas will continue to decrease and will eventually be exhausted. Since the 1990s, developed countries such as Europe and the United States have carried out extensive research on the development and utilization of "green lubricating oil and fuel oil". Erucic acid produced from high erucic acid rapeseed oil has a wide range of industrial uses and can be used for Foundry, machinery, chemical industry, aerospace and many other fields, its derivative product erucamide ...
Claims
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Application Information
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