Seed selection method of new variety of sorghum red glutinous rice
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A technology for new varieties of sorghum red glutinous rice, applied in the field of breeding of new varieties of sorghum red glutinous rice, can solve problems such as difficult and difficult to succeed, and achieve the effects of good morphological characteristics, stable genetic factors, and high yield
Active Publication Date: 2014-04-09
汪宝增 +1
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Problems solved by technology
[0003] However, since the hybridization of rice and sorghum is a distant sexual hybridization of plants, it is extremely difficult and not easy to succeed.
Method used
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Embodiment 1
[0016] Embodiment 1: Sorghum red glutinous rice breeding method
[0017] 1) In the first year, the sorghum variety Huandiaonuo was accurately selected as the male parent, and the rice variety Heixinuo was used as the female parent. They were planted through cross-seeding and crossed between families to obtain the F1 generation. The F1 generation continued to be planted to obtain the F2 generation.
[0018] 2) In the second year, select plants with a plant height of 80-100 cm from the F2 generation and continue planting to obtain the F3 generation.
[0019] 3) In the third year, select plants with a plant height of 90-100 cm from the F3 generation and continue planting to obtain the F4 generation.
[0020] 4) In the fourth year, select plants with a plant height of 90-100 cm from the F4 generation and continue planting to obtain the F5 generation.
[0021] 5) In the fifth year, select plants with a plant height of 90-100 cm from the F5 generation, and plant lines with excellen...
Embodiment 2
[0027] Example 2: Determination of trace elements on sorghum red glutinous rice
[0028] On May 20, 2008, samples of sorghum red glutinous rice planted in that year were sent to the Rice and Products Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture for trace element determination. The test results are as follows:
[0029]
[0030] The trace element content of blood glutinous rice announced by the Ministry of Agriculture is: calcium 13mg / kg, magnesium 16mg / kg, iron 3.9mg / kg, zinc 2.16mg / kg, selenium 2.88μg / kg; , magnesium 52mg / kg, iron 1.8mg / kg, zinc 1.52mg / kg, selenium 2.40μg / kg; early glutinous trace element content is calcium 19mg / kg, magnesium 149mg / kg, iron 3.0mg / kg, zinc 4.92mg / kg kg, selenium 1.98μg / kg.
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Abstract
The invention relates to a seed selection method of a new variety of sorghum red glutinous rice, and belongs to a seed selection method of a new variety of a crop. The method comprises the following steps: accurately selecting a sorghum variety Huandiaonuo as a male parent and a paddy rice variety Heicannuo as a female parent, and carrying out interpenetrating sewing planting for interfamilial distant hybirdization to obtain an F1 generation, and planting the F1 generation to obtain an F2 generation; screening plants having a height of 80-100cm from the F2 generation, planting the plants screened from the F2 generation to obtain an F3 generation, screening plants having a height of 90-100cm from the F3 generation, and planting the plants screened from the F3 generation to obtain an F4 generation; screening plants having a height of 90-100cm from the F4 generation, planting the plants screened from the F4 generation to obtain an F5 generation, and carrying out passage plantation and screening of the F5 generation until glutinous plants with the height stable in a range of 90-100cm, the ripening rate of above 85%, the thousand-grain weight of 25-28g, the sterile lemma having a sorghum shape and the coat color of peeled rice of red, that is, the new variety of sorghum red glutinous rice. The sorghum red glutinous rice obtained in the invention is rich in trace elements required by human bodies, comprising Ca, Mg, Fe, Zn and Se.
Description
technical field [0001] The invention belongs to a method for breeding new varieties of crops, in particular to a method for breeding new varieties of sorghum red glutinous rice. Background technique [0002] Rice is a species of rice in the family Poaceae, and sorghum is a species of sorghum in the family Poaceae, and they belong to different species of the same family. Rice is a low-carbon plant in the grass family, and sorghum is a high-carbon plant in the grass family. Rice is a paddy field crop that is neither resistant to high temperature nor low temperature; sorghum is a dryland crop that can withstand high temperature of 40-50°C and low temperature of 13°C. Rice has photorespiration, and the accumulation of organic matter is not high; sorghum has no photorespiration, and the accumulation of organic matter is high. Rice has shallow roots in the soil, thin stalks, and weak lodging resistance; while sorghum has deep roots in the soil, thick stalks, and strong lodging r...
Claims
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