Journal of Zhejiang Agricultural Sciences ›› 2025, Vol. 66 ›› Issue (4): 843-847.DOI: 10.16178/j.issn.0528-9017.20240308
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WANG Wei1(), QI Yongbin1, WANG Junmin1, XIAO Changming2, LI Kekuan2, LIU Chaogang1, LIU Qinglong1,*(
)
Received:
2024-04-25
Online:
2025-04-11
Published:
2025-05-09
Contact:
LIU Qinglong
CLC Number:
WANG Wei, QI Yongbin, WANG Junmin, XIAO Changming, LI Kekuan, LIU Chaogang, LIU Qinglong. Breeding and application of round grain specialized two-line early indica rice restorer line Fu 269[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(4): 843-847.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20240308
时间 | 地点 | 育种世代 | 处理及选育目标 |
---|---|---|---|
2008年冬—2009年春 | 海南陵水 | 中07-108×04YK17 | 去雄配制杂交组合,共获得17粒F1代种子 |
2009年春季 | 浙江杭州 | M1F1 | 采用80Gy γ-射线辐照F1代干种子,处理后单株种植,种子成熟后混收 |
2009年冬—2010春 | 海南陵水 | M2F2 | 单株种植约2 000株,成熟后选择综合性状优良的8个单株,各株收取1个穗 |
2010年春季 | 浙江杭州 | M3F3 | 单株栽种,8个株系中优选15个单株,每株收取1个穗 |
2010年冬—2011春 | 海南陵水 | M4F4 | 种植上述15个株系,从中选择3个综合农艺性状优良且比较稳定的品系(MF404-1~3) |
2012年春季 | 浙江杭州 | M5F5 | 参加早稻品系鉴定,编号为J68(MF404-1)、J69(MF404-2)和J70(MF404-3),其中J69(命名辐269)表现分蘖力较强、穗型大,在抽穗期测配湘陵628S,同时优选7个单株的单穗进行加代 |
2012年冬—2013春 | 海南陵水 | M6F6 | 辐269种植7个株系,选择综合性状优良且稳定的株系(编号H33-3),成熟收种;同时湘陵628S×辐269组合进行杂种优势观察,表现综合性状好、丰产性好 |
2013年夏季 | 浙江杭州 | M7F7 | 辐269进行小量制种,配组两系不育系湘陵628S和株1S |
Table 1 Breeding process of Fu 269
时间 | 地点 | 育种世代 | 处理及选育目标 |
---|---|---|---|
2008年冬—2009年春 | 海南陵水 | 中07-108×04YK17 | 去雄配制杂交组合,共获得17粒F1代种子 |
2009年春季 | 浙江杭州 | M1F1 | 采用80Gy γ-射线辐照F1代干种子,处理后单株种植,种子成熟后混收 |
2009年冬—2010春 | 海南陵水 | M2F2 | 单株种植约2 000株,成熟后选择综合性状优良的8个单株,各株收取1个穗 |
2010年春季 | 浙江杭州 | M3F3 | 单株栽种,8个株系中优选15个单株,每株收取1个穗 |
2010年冬—2011春 | 海南陵水 | M4F4 | 种植上述15个株系,从中选择3个综合农艺性状优良且比较稳定的品系(MF404-1~3) |
2012年春季 | 浙江杭州 | M5F5 | 参加早稻品系鉴定,编号为J68(MF404-1)、J69(MF404-2)和J70(MF404-3),其中J69(命名辐269)表现分蘖力较强、穗型大,在抽穗期测配湘陵628S,同时优选7个单株的单穗进行加代 |
2012年冬—2013春 | 海南陵水 | M6F6 | 辐269种植7个株系,选择综合性状优良且稳定的株系(编号H33-3),成熟收种;同时湘陵628S×辐269组合进行杂种优势观察,表现综合性状好、丰产性好 |
2013年夏季 | 浙江杭州 | M7F7 | 辐269进行小量制种,配组两系不育系湘陵628S和株1S |
品种 | 株高/ cm | 基本苗/ (万· hm-2) | 总苗数/ (万· hm-2) | 有效穗数/ (万· hm-2) | 穗长/ cm | 每穗 总粒数 | 每穗 实粒数 | 结实率/ % | 千粒重/ g |
---|---|---|---|---|---|---|---|---|---|
辐269 | 94.2 | 136.7 | 338.7 | 256.2 | 19.4 | 146.9 | 114.2 | 77.8 | 25.9 |
中早39(CK1) | 85.9 | 155.7 | 359.3 | 272.3 | 16.7 | 127.7 | 113.7 | 89.1 | 26.1 |
舟903 | 87.2 | 158.4 | 497.7 | 401.7 | 17.8 | 81.4 | 69.3 | 85.1 | 22.9 |
Table 2 Main agronomic traits of Fu 269 participating in the of in 2013 early rice variety comparison experiment
品种 | 株高/ cm | 基本苗/ (万· hm-2) | 总苗数/ (万· hm-2) | 有效穗数/ (万· hm-2) | 穗长/ cm | 每穗 总粒数 | 每穗 实粒数 | 结实率/ % | 千粒重/ g |
---|---|---|---|---|---|---|---|---|---|
辐269 | 94.2 | 136.7 | 338.7 | 256.2 | 19.4 | 146.9 | 114.2 | 77.8 | 25.9 |
中早39(CK1) | 85.9 | 155.7 | 359.3 | 272.3 | 16.7 | 127.7 | 113.7 | 89.1 | 26.1 |
舟903 | 87.2 | 158.4 | 497.7 | 401.7 | 17.8 | 81.4 | 69.3 | 85.1 | 22.9 |
组合 | 生育期/ d | 产量/ (t·hm-2) | 株高/ cm | 有效穗/ (万·hm-2) | 每穗 总粒数 | 结实率/ % | 千粒重/ g |
---|---|---|---|---|---|---|---|
湘陵628S×辐269 | 111 | 7.613 | 91.4 | 318.0 | 132.7 | 83.9 | 25.5 |
株1S×辐269 | 109 | 7.253 | 94.0 | 337.5 | 119.6 | 85.0 | 25.3 |
浙397S×辐269 | 112 | 7.815 | 98.2 | 302.0 | 194.6 | 81.5 | 25.7 |
中早35(CK) | 110 | 6.870 | 97.4 | 271.5 | 130.3 | 83.6 | 27.8 |
Table 3 Yield related traits of the two-line early rice combination with Fu 269(Hangzhou, 2014)
组合 | 生育期/ d | 产量/ (t·hm-2) | 株高/ cm | 有效穗/ (万·hm-2) | 每穗 总粒数 | 结实率/ % | 千粒重/ g |
---|---|---|---|---|---|---|---|
湘陵628S×辐269 | 111 | 7.613 | 91.4 | 318.0 | 132.7 | 83.9 | 25.5 |
株1S×辐269 | 109 | 7.253 | 94.0 | 337.5 | 119.6 | 85.0 | 25.3 |
浙397S×辐269 | 112 | 7.815 | 98.2 | 302.0 | 194.6 | 81.5 | 25.7 |
中早35(CK) | 110 | 6.870 | 97.4 | 271.5 | 130.3 | 83.6 | 27.8 |
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