Functional Components and Yield Traits of Two-line Hybrid Rice Ziliangyou 737
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摘要:
目的 明晰紫两优737的功能成分含量及其与亲本之间产量的相关性状,为产品的进一步开发提供依据, 方法 以紫392S、 福恢737和紫两优737以及白米对照宜优673,黑米对照墨江紫米为材料,比较了紫两优737及其亲本的功能成分和产量相关农艺性状的差异。 结果 紫两优737富含花色苷等抗氧化成分以及人体所需的关键氨基酸和矿质元素等功能成分,其抗氧化能力相关性状的遗传特点是以加性效应为主,F1代的表型值偏向低值亲本;紫两优737的产量相关性状表现了较强的杂种优势。 结论 紫糯杂交稻紫两优737富含多种功能成分,对紫两优737功能成分及其产量性状的综合评估为今后提升两系紫糯杂交稻的育种水平提供了参考依据。 Abstract:Objective Functional components and yield-related traits of Ziliangyou 737 and its parents were determined. Method Functional components and yield-related agronomic traits of Ziliangyou 737 were compared with those of Zi 392S, Fuhui 737, the white rice control Yiyou 673, and the black rice control Mojiangzimi. Result Ziliangyou 737 was rich in antioxidants (e.g., anthocyanins) and functional ingredients (e.g., essential amino acids and minerals) carrying mostly additive genetic characteristics relating to antioxidant capacity and phenotypes of F1 generation biased towards low-value parents. A strong heterosis of the cross breeding was evident by the upgraded yield-related traits of Ziliangyou 737. Conclusion Rich in antioxidants and functional components, the purple glutinous hybrid rice Ziliangyou 737 was also high on the traits related to crop yield. This study illustrated a promising direction for breeding specialty rice varieties. -
Key words:
- Two-line hybrid rice /
- Ziliangyou737 /
- functional components /
- yield traits
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表 1 抗氧化能力相关表型的杂种优势效应
Table 1. Heterosis on phenotypes related to antioxidant capacity
表型
Phenotypes杂种优势指数
Index of
heterosis中亲优势
Mid-parent
heterosis超亲优势
Over-parent
heterosis超标优势(宜优673)
Over-standard Heterosis
(Yiyou673)超标优势(墨江紫米)
Over-standard Heterosis
(Mojiangzimi)类黄酮 Flavonoid 91.11 −8.89 −36.65 158.79 −10.72 花色苷 Anthocyanin 96.96 −3.04 −38.25 574.07 7.59 羟自由基清除能力 H-RSA 88.24 −11.76 −14.63 525.46 −26.50 总抗氧化能力 TAC 85.92 −14.08 −39.47 84.38 41.20 效应值为百分数(%),表5同。
Effect is expressed as percentage (%). Same for Table 5.表 2 抗氧化能力相关表型的相关性分析
Table 2. Correlation of phenotypes related to antioxidant capacity
类黄酮
含量
Flavonoid花色苷
含量
Anthocyanin羟自由基
清除率
H-RSR总抗氧化
能力
TAC类黄酮含量 Flavonoid 1 花色苷含量 Anthocyanin 0.88* 1 羟自由基清除率 H-RSR 0.71 0.41 1 总抗氧化能力 TAC 0.88* 0.97** 0.41 1 *表示在0.05水平显著;**表示在0.01水平显著
* significant at P<0.05; ** significant at P<0.01.表 3 紫两优737与亲本、对照的氨基酸含量比较
Table 3. Amino acid contents of Ziliangyou737, parents, and references
(单位:g·kg−1) 氨基酸
Amino acids宜优673
Yiyou673紫392S
Zi392S福恢737
Fuhui737紫两优737
Ziliangyou737墨江紫米
Mojiangzimi天门冬氨酸 Aspartic acid 5.41±0.04 d 8.44±0.1 a 7.18±0.06 b 6.99±0.13 c 7.09±0.09bc 苏氨酸 Threonic 2.26±0.05 d 3.58±0.06 a 3.21±0.27 b 2.93±0.02 c 2.25±0.11 d 丝氨酸 Serine 2.96±0.07 d 4.75±0.08 a 3.70±0.08 b 3.74±0.08 b 3.24±0.12 c 谷氨酸 Glutamic 11.06±0.06 e 17.16±0.08 a 12.69±0.03 d 13.38±0.07 b 13.16±0.05 c 甘氨酸 Glycine 2.78±0.02 d 4.42±0.06 a 3.68±0.07 b 3.61±0.03 b 3.52±0.04 c 丙氨酸 Alanine 3.53±0.06 d 5.45±0.07 a 4.45±0.07 c 4.36±0.03 c 4.62±0.09 b 胱氨酸 Cystine 0.82±0.04 d 1.47±0.06 a 1.09±0.05 c 1.25±0.04 b 0.31±0.04 e 缬草氨酸 Valerianic acid 3.54±0.09 d 5.49±0.04 a 4.44±0.06 b 4.43±0.04 b 4.25±0.14 c 蛋氨酸 Methionine 0.33±0.03 d 0.91±0.05 b 0.83±0.03 c 0.81±0.03 c 1.33±0.04 a 异亮氨酸 Isoleucine 2.3±0.02 d 3.70±0.08 a 2.90±0.03 c 2.90±0.06 c 3.26±0.1 b 亮氨酸 Leucine 4.79±0.08 d 7.50±0.07 a 5.68±0.07 c 5.77±0.05 c 6.69±0.09 b 酪氨酸 Tyrosine 1.70±0.01 d 3.44±0.04 a 2.72±0.06 b 2.66±0.05 b 1.81±0.1 c 苯丙氨酸 Phenylalanine 3.19±0.01 d 4.87±0.07 a 3.80±0.04bc 3.86±0.04 b 3.73±0.07 c 赖氨酸 Lysine 2.41±0.01 d 3.71±0.17 a 3.34±0.08 b 3.18±0.03 c 1.88±0.06 e 组氨酸 Histidine 1.58±0.07 e 2.31±0.03 b 1.95±0.04 d 1.96±0.06 c 2.41±0.06 a 精氨酸 Arginine 4.62±0.11 e 7.45±0.02 a 5.69±0.03 d 5.81±0.04 c 6.73±0.05 b 脯氨酸 Proline 2.55±0.08 c 4.15±0.02 a 3.20±0.02 b 3.22±0.03 b 3.24±0.06 b 必需氨基酸总含量 Total content of essential amino acids 41.63±0.28 d 66.39±0.09 a 52.47±0.43 b 52.84±0.27 b 50.01±0.31 c 氨基酸总含量 Total content of amino acids 55.78±0.40 d 88.73±0.06 a 70.48±0.43 b 70.81±0.35 b 69.47±0.25 c 小写字母不同表示差异显著,P<0.05。
Data with different lowercase letters indicate significant difference at P<0.05;表 4 紫两优737与亲本、对照品种的矿质元素含量比较
Table 4. Mineral contents of Ziliangyou737, parents, and references
(单位:mg·kg−1) 矿质元素
Mineral elements宜优673
Yiyou673紫392S
Zi392 S福恢737
Fuhui737紫两优737
Ziliangyou737墨江紫米
MojiangzimiZn 11.46±0.42 d 22.70±0.49 a 17.71±0.31 b 18.15±0.62 b 14.77±0.42 c Cu 2.35±0.34 b 1.79±0.12 c 1.04±0.23 d 2.39±0.10 b 3.56±0.33 a Fe 7.98±0.98 c 14.60±0.63 a 11.55±0.8 b 15.77±0.33 a 8.36±1.09 c Mn 9.90±0.43 c 22.14±1.02 b 21.92±0.52 b 22.41±0.47 b 25.50±0.79 a Mg 1232±67.76 c 1964±28.59 a 1608±169.21 b 1684±152.57 b 1046±67.99 c Ca 78.11±6.38 c 86.20±4.28 c 125.00±1.02 a 87.23±6.97bc 95.95±4.54 b K 1557±82.86 c 3138±59.71 a 3022±57.94 a 2634±123.32 b 1318±77.7 d 小写字母不同表示差异显著(P<0.05)。
Data with different lowercase letters indicate significant difference at P<0.05.表 5 紫两优737与亲本、对照品种产量相关农艺性状的杂种优势效应
Table 5. Heterosis on yield-related agronomic traits of Ziliangyou 737, parents, and references
表型
Phenotypes杂种优势指数
Index of heterosis中亲优势
Mid-parent heterosis超亲优势
Over-parent heterosis超标优势 (宜优673)
Over-standard Heterosis
(Yiyou673)超标优势 (墨江紫米)
Over-standard Heterosis
(Mojiangzimi)穗长 Spike length 100.38 0.38 −9.76 −13.87 −9.51 有效穗数 Effective panicles number 118.45 18.45 4.27 −0.84 25.75 一次枝梗数 Primary branch number 95.85 −4.15 −7.96 11.86 −25.16 二次枝梗数 Secondary branch number 101.95 1.95 −8.62 35.24 125.88 每穗实粒数 Grain number per panicle 121.72 21.72 13.35 36.39 109.33 结实率 Ripening percentage 110.53 10.53 6.61 −2.67 19.47 千粒重 Thousand-grain weight 96.11 −3.89 −8.66 −18.01 2.50 -
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