Study on the Adaptability of Yongyou Series Indica-Japonica Hybrid Rice as Ratoon Rice in Eastern Zhejiang

doi:10.3969/j.issn.1006-8082.2025.02.014

China Rice ›› 2025, Vol. 31 ›› Issue (2): 83-86.DOI: 10.3969/j.issn.1006-8082.2025.02.014

• Varieties & Technology • Previous Articles Next Articles

Study on the Adaptability of Yongyou Series Indica-Japonica Hybrid Rice as Ratoon Rice in Eastern Zhejiang

HU Jijie¹, YE Kai², JIANG Qi¹, HE Bingqing¹, CHEN Shaojie¹, CHEN Zhixin³, ZHANG Zhiyuan¹^,^*()

¹Ningbo City Agricultural Technology Extension Station, Ningbo, Zhejiang 315000, China
²Yuyao Seed Management Station, Yuyao, Zhejiang 315400, China
³Ningbo Seed Industry Co. Ltd, Ningbo, Zhejiang, 315012, China

Received:2024-10-13 Online:2025-03-20 Published:2025-03-12
Contact: ZHANG Zhiyuan

甬优系列籼粳杂交稻在浙东地区作再生稻的适应性探讨

胡继杰¹, 叶凯², 蒋琪¹, 何冰清¹, 陈少杰¹, 陈志新³, 章志远¹^,^*()

¹宁波市农业技术推广总站，浙江宁波 315000
²余姚市种子种苗管理站，浙江余姚 315400
³宁波种业股份有限公司，浙江宁波 315012

通讯作者: 章志远
基金资助:
宁波市农业技术推广项目(2023NT005);宁波市农业技术推广项目(2023NT006);浙江省2023—2025粮油产业技术项目“再生稻高产高效栽培技术模式示范”

Abstract

Abstract:

A comparative experiment of Yongyou series indica-japonica hybrid rice as ratoon rice was carried out in Ningbo in 2023, aiming to screen new high-yield and high-quality ratoon rice varieties suitable for promotion and cultivation in Eastern Zhejiang, and improve the comprehensive production capacity of ratoon rice in the Eastern Zhejiang and promote the development of the rice industry. Comprehensively considering of the performance of the five tested varieties in terms of two-season yield, regrowth ability, and quality of ratoon rice, Yongyou 4901 and Yongyou 6760 performed particularly well, with moderate maturity, high yield, strong regrowth ability, and excellent quality of ratoon rice, making them suitable for promotion as ratoon rice in the Eastern Zhejiang. Yongyou 1540 also showed good yield and regrowth ability, but its growth period is relatively long, in order to ensure full heading safely in the southern region of Ningbo, scientific cultivation management measures such as early sowing and increasing the height of stubble retention should be taken.

Key words: ratoon rice, Yongyou series indica-japonica hybrid rice, rice quality, effective accumulated temperature

摘要：

为提高浙东地区再生稻综合生产能力，促进水稻产业发展，于2023年在宁波市开展甬优系列再生稻品种比较试验，筛选适宜浙东地区推广种植的高产优质再生稻新品种。综合考量了5个供试品种在两季产量、再生能力和再生季稻米品质等方面的综合表现，得出以下结论：甬优4901和甬优6760表现突出，熟期适中、产量高、再生能力较强、再生季稻米品质优，适宜在浙东地区作再生稻推广；甬优1540也展现出了良好的丰产性和再生能力，但其生育期相对较长，在宁波南部地区作再生稻种植时，为确保安全齐穗，需采取提前播种、提高留桩高度等栽培管理措施。

关键词: 再生稻, 甬优系列籼粳杂交稻, 稻米品质, 有效积温

CLC Number:

S511.037

HU Jijie, YE Kai, JIANG Qi, HE Bingqing, CHEN Shaojie, CHEN Zhixin, ZHANG Zhiyuan. Study on the Adaptability of Yongyou Series Indica-Japonica Hybrid Rice as Ratoon Rice in Eastern Zhejiang[J]. China Rice, 2025, 31(2): 83-86.

胡继杰, 叶凯, 蒋琪, 何冰清, 陈少杰, 陈志新, 章志远. 甬优系列籼粳杂交稻在浙东地区作再生稻的适应性探讨[J]. 中国稻米, 2025, 31(2): 83-86.

Figures/Tables 4

References 16

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Study on the Adaptability of Yongyou Series Indica-Japonica Hybrid Rice as Ratoon Rice in Eastern Zhejiang

甬优系列籼粳杂交稻在浙东地区作再生稻的适应性探讨

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Figures/Tables 4

References 16

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