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A kind of breeding method of yellow-leaf red rice

A rice and red rice technology, applied in botany equipment and methods, plant genetic improvement, application, etc., can solve problems such as ignoring high quality and increasing efficiency, color rice is not useful, rice edible and economic value are not effectively reflected, etc. , to achieve the effect of ornamental value and edibility, high nutritional value and strong ornamental value

Active Publication Date: 2020-12-04
ZHEJIANG UNIV
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Problems solved by technology

The current colored rice only focuses on color, ignoring the high quality and efficiency of agricultural products of colored rice as a crop, resulting in the use of colored rice, and the edible and economic value of rice has not been effectively reflected

Method used

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  • A kind of breeding method of yellow-leaf red rice

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Embodiment 1

[0029] 1. Breeding materials:

[0030] (1) Take Hongzhen of Zhejiang University as parent A. Zhejiang University Hongzhen is a red rice variety bred by Zhejiang University. The rice is a special type of japonica rice, with green leaves, yellow husk, and red seed coat, and the rice quality reaches the second-class standard of edible high-quality red rice.

[0031] (2) 9311-yc-01 was used as parent B. 9311-yc-01 is a leaf color mutant bred by cobalt-60 radiation mutagenesis 9311 in Zhejiang University. The rice is common indica rice, with yellow leaves, bright yellow chaff, and khaki seed coat, and the rice quality reaches the third-grade standard of high-quality edible rice.

[0032] 2, the breeding method of yellow leaf red rice paddy (i.e. yellow leaf red rice rice), concrete steps are as follows:

[0033] (1) In the summer and autumn of 2012, Hangzhou, Zhejiang, with Zhejiang University Hongzhen as the female parent and 9311-yc-01 as the male parent, a hybrid F 1 Genera...

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Abstract

The invention discloses a method for breeding yellow-leaf red-rice paddy rice. The method comprises the steps that firstly, hybridization is performed on paddy rice with red seed coats and green leaves and paddy rice with yellow leaves, then backcross is performed many times on the paddy rice with the yellow leaves as a male parent, then multi-generation self-cross is performed, screening is performed according to a target character, and the obtained yellow-leaf red-rice paddy rice has yellow leaves, red seed coats, a sowing period less than 100 days, and a plant height less than 100 centimeters, does not have leaf diseases in the whole duration period, and has the edible quality reaching the secondary standard requirements of red rice, significantly increased ornamental value and edible and nutritional value.

Description

technical field [0001] The invention relates to the technical field of rice breeding, in particular to a method for breeding rice with yellow leaves and red rice. Background technique [0002] With the vigorous development of my country's ecological agriculture and rural complexes, the combination of agricultural production and agricultural tourism in my country has gradually become a new highlight of the beautiful countryside, and has become an organic combination of production, life and ecology. Relying on local leading industries, applying science and technology and concept creativity to the agricultural production process and the development of creative agricultural products has promoted the interactive development of tourism, culture and industry, making creative agriculture a new highlight of "increasing agricultural efficiency and farmers' income". [0003] Colored rice refers to a special-purpose rice that is significantly different from ordinary rice in leaf color, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 吴殿星张仪钱佳雯
Owner ZHEJIANG UNIV
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