Breeding and Thinking of Songya 7, a New Rice Variety of “Double Season with Same Variety”

doi:10.3969/j.issn.1006-8082.2024.05.018

China Rice ›› 2024, Vol. 30 ›› Issue (5): 119-122.DOI: 10.3969/j.issn.1006-8082.2024.05.018

• Varieties & Technology • Previous Articles Next Articles

Breeding and Thinking of Songya 7, a New Rice Variety of “Double Season with Same Variety”

LIU Licheng¹^,², MIN Jun¹^,²^,^*(), LI Yongchao¹^,², LIU Sanxiong¹^,², HU Min¹^,², PAN Xiaowu¹^,², TANG Shanjun¹^,², WANG Zhengqing³

¹Rice Research Institute, Hunan Academy of Agricultural Science, Changsha 410125, China
²Key Laboratory of Indica Rice Genetics and Breeding in the Middle and Lower Reaches of Yangtze River Valley, Ministry of Agriculture and Rural Affairs, Changsha 410125, China
³Hunan Zhenglong Agricultural Technology Co., Ltd, Changsha 410021, China

Received:2024-07-24 Online:2024-09-20 Published:2024-09-12
Contact: ^*mj20060505@126.com

“双季同种”水稻新品种松雅7号的选育与思考

刘利成¹^,², 闵军¹^,²^,^*(), 黎用朝¹^,², 刘三雄¹^,², 胡敏¹^,², 潘孝武¹^,², 唐善军¹^,², 王政卿³

¹湖南省农业科学院水稻研究所,长沙 410125
²农业农村部长江中下游籼稻遗传育种重点实验室,长沙 410125
³湖南正隆农业科技有限公司,长沙 410021

通讯作者: ^*mj20060505@126.com
基金资助:
国家现代农业产业技术体系[CARS-01-19(2024)];湖湘青年英才科技创新项目(2023RC3210)

Abstract

Abstract:

The“double-season with same variety” is a breeding idea proposed by the author based on the consumption demand and early and late rice production situation in Hunan Province. It means that in the same rice area in Hunan Province, the same variety is “double-approved” for early and late rice, and the total growth period of the two seasons does not exceeds 220.0 days, and the total yield of the two seasons exceeds 1 000 kg/667 m², the quality of early rice reaches the Ministry of Agriculture’s high-quality level 3 or above, and the quality of late rice reaches the Ministry of Agriculture’s high-quality level 2 or above. The new rice variety Songya 7, developed based on this, has the characteristics of compact plant type, thick stem, tolerance to dense planting, and strong resistance to low temperature and low oxygen during the germination stage. It is suitable for early and late double-cropping rice in Hunan Province, with good rice quality, high and stable yield, and suitable for light and simple cultivation such as machine transplanting and direct seeding. It was approved as early and late rice in Hunan Province in 2023 and 2024, respectively. This article introduced the breeding process and characteristics of Songya 7, as well as the concept of “double-season with same variety”, the breeding ideas and specific requirements, discussed the significance of the “double-season with same variety” production model in rice production.

Key words: rice, double cropping rice, planting in double season with same variety, high quality, Songya 7

摘要：

“双季同种”是笔者根据湖南早晚稻生产和消费需求提出的育种设想,即在湖南同一个稻区,同一个品种通过早稻、晚稻“双审定”,且两季总生育期不超过220.0 d、两季总产量超过1 000.0 kg/667 m²,早季米质达部标优质3级及以上,晚季米质达部标优质2级及以上。据此育成的水稻新品种松雅7号具有株型紧凑、茎秆粗壮、耐密植、芽期耐低温低氧能力较强等特点,在湖南省作早、晚双季稻种植生育期适宜、米质较好、丰产稳产,适宜机插、直播等轻简栽培。2023年通过湖南省早稻审定,2024年通过湖南省晚稻审定。本文介绍了松雅7号的选育经过和特征特性,及“双季同种”的概念、品种选育思路和具体要求,讨论了“双季同种”生产模式的实际意义。

关键词: 水稻, 双季稻, 双季同种, 优质, 松雅7号

CLC Number:

S511.033

LIU Licheng, MIN Jun, LI Yongchao, LIU Sanxiong, HU Min, PAN Xiaowu, TANG Shanjun, WANG Zhengqing. Breeding and Thinking of Songya 7, a New Rice Variety of “Double Season with Same Variety”[J]. China Rice, 2024, 30(5): 119-122.

刘利成, 闵军, 黎用朝, 刘三雄, 胡敏, 潘孝武, 唐善军, 王政卿. “双季同种”水稻新品种松雅7号的选育与思考[J]. 中国稻米, 2024, 30(5): 119-122.

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Breeding and Thinking of Songya 7, a New Rice Variety of “Double Season with Same Variety”

“双季同种”水稻新品种松雅7号的选育与思考

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