Characteristics and seed production technology of hybrid rice variety Zhongzheyou 26

doi:10.16178/j.issn.0528-9017.20221290

Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (2): 272-275.DOI: 10.16178/j.issn.0528-9017.20221290

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Characteristics and seed production technology of hybrid rice variety Zhongzheyou 26

Xinxin XU¹(), Chenguang ZHANG¹, Yousong ZHAN², Guocheng HU³, Hanhua TONG³^,^*()

1. Longyou County Planting Industry Development Center, Longyou 324400, Zhejiang
2. Longyou County Wuguxiang Seed Industry Co., Ltd., Longyou 324400, Zhejiang
3. China Rice Research Institute, Hangzhou 311400, Zhejiang

Received:2023-02-25 Online:2024-02-11 Published:2024-02-28
Contact: Hanhua TONG

Abstract

Abstract:

Zhongzheyou 26 is a new high-quality hybrid rice variety bred by Zhejiang Wuwangnong Seed Industry Co., Ltd. and China Rice Research Institute using Zhongzhejiang 2A and F1436, which passed the national registration and Guangxi Zhuang Autonomous Region registration in 2020. Zhejiang Longyou Wuguxiang Seed Industry Co., Ltd. introduced Zhongzheyou 26 for experimental planting in 2019, and the field trail showed good yield, high quality, fertilizer tolerance and lodging resistance, and strong resistance to white leaf blight and rice blast. At the same time, 2 years of Zhongzheyou 26 seed production work was carried out in Longyou. Based on the field performance and seed production practice of Longyou, Zhejiang, combined with the characteristics of the parents, a safe and high-yield seed production technology suitable for Zhongzheyou 26 in western Zhejiang was proposed.

Key words: hybrid rice, Zhongzheyou 26, characteristics, seed production technology

CLC Number:

S511

Xinxin XU, Chenguang ZHANG, Yousong ZHAN, Guocheng HU, Hanhua TONG. Characteristics and seed production technology of hybrid rice variety Zhongzheyou 26[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(2): 272-275.

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References 10

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试验类别	整精米率/ %	垩白度/ %	碱消值	胶稠度/ mm	直链淀粉含量/%	粒长/ mm	长宽比
广西区试	62.3	0.7	5.8	76	16.8	6.8	3.2
国家区试	58.1	2.0	5.2	78	15.1	6.7	3.2

试验类别	整精米率/ %	垩白度/ %	碱消值	胶稠度/ mm	直链淀粉含量/%	粒长/ mm	长宽比
广西区试	62.3	0.7	5.8	76	16.8	6.8	3.2
国家区试	58.1	2.0	5.2	78	15.1	6.7	3.2

Characteristics and seed production technology of hybrid rice variety Zhongzheyou 26

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