Crops ›› 2022, Vol. 38 ›› Issue (6): 241-244.doi: 10.16035/j.issn.1001-7283.2022.06.035

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Breeding and Cultivation Technology of New Tartary Buckwheat Variety “Chuanqiao 6”

Wang Junzhen1(), Zhou Meiliang2, Li Faliang1, Zhang Kaixuan2, Zhu Jianfeng1, Shen A’yi1, Luogu Youfu3, Yao Juhong1, Yin Yuanjie4, Wu Dongming4, Zhang Jie3   

  1. 1Liangshan Academy of Agricultural Sciences, Xichang 615000, Sichuan, China
    2Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    3Zhaojue County Agriculture and Rural Affairs Bureau, Zhaojue 616150, Sichuan, China
    4Ganluo County Agriculture and Rural Affairs Bureau, Ganluo 616850, Sichuan, China
  • Received:2022-01-05 Revised:2022-11-09 Online:2022-12-15 Published:2022-12-21

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Abstract:

“Chuanqiao 6” is a new mid-mature tartary buckwheat variety, with a growth period of 72-78d in southwest of China. The seedlings are neat and robust, with green young stems, medium-sized leaves, dark green leaves, green and white flowers and no fragrance. The number of main stem nodes is about 11.5, the plant height is 100-110cm. It has 2-5 effective branches, the inflorescence stalk is short and concentrated, and has plump, long cone and dark gray seeds. The average grain weight per plant is 2.5-4.5g, the 1000-grain weight is 22-24g, and the yield is 1800-2050kg/ha. This variety is a new variety of tartary buckwheat bred by systematic breeding of the variant single plant of the local variety “E’wu”. In December 2020, Chongqing Seed Industry Association identified and named it “Chuanqiao 6”. In November 2021, it was proved by the Crop Appraisal Committee of Chongqing Seed Industry Association, and the appraisal number was “Yupinshenjian 202110”.

Key words: Tartary buckwheat, Chuanqiao 6, Breeding, Cultivation technology

Fig.1

Botanical characteristics of “Chuanqiao 6”"

Fig.2

The plant morphologies of “Chuanqiao 6”"

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