Breeding an Aromatic, High-quality, High-yield Hybrid Rice Yexiangyou 669

ZHU Yongsheng; WEI Yidong; LI Qixiang; ZHENG Feiyan; CAI Qiuhua; DONG Ruixia; CHEN Liping; JIANG Jiahuan; WU Fangxi; XIE Huaan; ZHANG Jianfu

doi:10.19303/j.issn.1008-0384.2024.01.004

Volume 39 Issue 1

Jan. 2024

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Article Navigation > Fujian Journal of Agricultural Sciences > 2024 > 39(1): 25-32

ZHU Y S, WEI Y D, LI Q X, et al. Breeding an Aromatic, High-quality, High-yield Hybrid Rice Yexiangyou 669 [J]. Fujian Journal of Agricultural Sciences，2024，39（1）：25−32 doi: 10.19303/j.issn.1008-0384.2024.01.004

Citation:

ZHU Y S, WEI Y D, LI Q X, et al. Breeding an Aromatic, High-quality, High-yield Hybrid Rice Yexiangyou 669 [J]. Fujian Journal of Agricultural Sciences，2024，39（1）：25−32 doi: 10.19303/j.issn.1008-0384.2024.01.004

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Breeding an Aromatic, High-quality, High-yield Hybrid Rice Yexiangyou 669

doi: 10.19303/j.issn.1008-0384.2024.01.004

1.
Rice Research Institute, Fujian Academy of Agricultural Sciences/State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Academy of Agricultural Sciences/Key Laboratory of Hybrid Rice Germplasm Enhancement and Molecular Breeding in South China, Ministry of Agriculture, P.R. China/Fuzhou branch, National Rice Improvement Center of China/National Engineering Laboratory of Rice/Incubator of Key Laboratory of Crop Germplasm Enhancement and Molecular Breeding between Fujian and Ministry of Sciences and Technology/ Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/Research Base of South-China of National Key Laboratory of Hybrid Rice of China, Fuzhou, Fujian　350003, China
2.
Sanming Seed Station, Sanming, Fujian　365000, China

Received Date: 2023-11-24
Rev Recd Date: 2024-01-04

Available Online: 2024-01-25

Publish Date: 2024-01-28

Abstract

Abstract

Objective An aromatic, high-quality, high-yield, disease-resistant rice variety was bred. Method Utilizing the genetic diversity and complementing agronomic traits between the male parent, Fuhui 669 with high yield and combining ability, and the female parent, the fragrant, high-quality, disease-resistant sterile line Yexiang A, a new breed of rice were generated. The hybrid was subjected to multiple ecological resistance identification, a quality analysis after high temperature maturation, and years of multi-point comparison test prior to final selection. Result The high-quality, high-yield, disease-resistant Yexiangyou 669 of a desirable plant type was obtained and submitted to the regional trial for mid-season rice in Fujian from 2019 to 2020. In the 2-year trial, it showed an average growth period of 139.8 d, which was 1.1 d shorter than the reference cultivar, II You 3301, and an average yield of 9 363 kg·hm⁻², which was 2.24% higher than control but not statistically significant. It exhibited resistance to rice blast and up to the national Grade A quality. In 2021, it was certified by the Fujian Provincial Crop Approval Committee as the Min Approved Rice No. 20210014. Yexiangyou 669 had inherited 6 desirable genes from one parent and 16 common to both parents. Conclusion The new hybrid rice Yexiangyou 669 had high yield, strong disease resistance, and superb grain quality and was promoted as one of the main varieties in the province.
- Hybrid rice,
- aromatic rice,
- Yexiangyou 669,
- high quality,
- disease resistance

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References(25)

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