红白花斑种皮高油酸花生种质材料的创制
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国家现代农业产业技术体系建设专项(CARS-14));河北省科技支撑计划(16226301D);河北省高等院校科学技术研究重点项目(ZH2011209);河北省山区优势特色杂粮开技术研究与示范(3020208);河北农业大学作物学科梯队建设基金(TD2016C301)


Creation of High Oleic Acid Peanut Germplasm Materials with Red and White Variegated Seed Coat
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    摘要:

    本研究利用粉色种皮高油酸花生G63与紫白花斑种皮普通油酸花生VG-01配置杂交组合。利用等位基因特异性扩增 (allele-specific PCR,AS-PCR) 鉴定出16个F1真杂种。在F2中筛选到_ol1_ol2单株,并对64个F2:3家系间的种皮色泽分离进行χ2检测。结果表明,全色花生:花斑花生在0.05水平上符合9:7,花生种皮花斑性状由两对互补基因控制,当两对基因同时处于显性时,种皮表现为全色;当两对基因至少有一对为隐性纯合时,种皮表现为花斑。利用AS-PCR技术对334株花斑种皮F3单株进行基因型鉴定,筛选到29株ol1ol1ol2ol2基因型的单株。利用气相色谱测定结果表明,F4种子油酸GC值介于70.77% ~ 82.87%,油酸/亚油酸介于8.15 ~ 26.30。F4群体植株主茎高12.4 cm ~ 87.3 cm,平均57.2 cm,较对照冀花2号增高34.97%;第一对侧枝长91.6 cm ~ 196.3 cm,平均134.1 cm,较对照冀花2号增长34.28%。F5新种质的单株果重、单株果数、单株仁重、单株仁数分别为(27.16 ± 9.51)g、(22.11 ±10.26)个、(20.10 ± 7.17)g 和(31.94 ±15.16)个。新种质9-7、14-2、14-3、17-3和17-7均为红白花斑种皮,在单株果重方面较对照冀花2号增加230.02%、165.80%、210.66%、200.65%和160.26%,在单株果数方面增加280.00%、340.00%、450.00%、210.00%和150.00%,其油酸GC值分别为80.54%、81.75%、80.63%、81.3% 和81.56%。该批种质材料不仅油酸含量高,而且具有极大的医疗保健价值,对丰富我国高油酸花生遗传多样性具有重要的现实意义。

    Abstract:

    The hybridization composition, which parents was high oleic acid line G63 with pink seed coat and normal oleic acid line VG-01 with purple and white variegated seed coat, was used in this study. 16 true F1 hybrids were identified by allele-specific PCR (AS-PCR) methods. The genotype _ol1_ol2 individuals were screened in F2 population and the seed coat color segregation in 64 F2:3 family lines was checked by Chi-square test. The results showed that the full-color peanut: variegated color peanut was 9:7 at 0.05 level. The variegated seed coat was controlled by two pairs of complementary genes. When the two pairs of genes were dominant, the seed coat showed full color. At least one pair of genes for recessive homologous, the seed coat showed variegated color. The genotypes of 334 F3 plants with variegated seed coat were identified by AS-PCR, and 29 plants of ol1ol1ol2ol2 genotypes were selected. The results of gas chromatography showed that GC value of F4 seed ranged from 70.77% to 82.87%, and oleic acid / linoleic (O/L) ranged from 8.15 to 26.30. The main stem of F4 population was 12.4 cm - 87.3 cm, with an average of 57.2 cm, which was 34.97% higher than that of the control Jihua 2. The first pair of lateral branches was 91.6 cm - 196.3 cm, with an average of 134.1 cm, which was 34.28% higher than that of the control. Pod weight per plant, pod number per plant, kernel weight per plant and kernel number per plant were (27.16 ± 9.51) g, (22.11 ±10.26), (20.10 ± 7.17) g and (31.94 ±15.16) respectively. The new germplasm lines (9-7, 14-2, 14-3, 17-3 and 17-7) were all red and white variegated seed coat. Comparied with the control, pod weight per plant was increased 230.02%, 165.80%, 210.66%, 200.65% and 160.26% respectively and pod number per plant was increased 280.00%、340.00%、450.00%、210.00% and 150.00% respectively. The oleic acid GC value was 80.54%, 81.75%, 80.63%, 81.30% and 81.56% respectively. The new germplasm materials not only have high oleic acid content, but also have great health care value, which have great practical significance to enrich the genetic diversity of high oleic peanut in China.

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闫丛丛,侯名语,崔顺立,等.红白花斑种皮高油酸花生种质材料的创制[J].植物遗传资源学报,2017,18(3):587-594.

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  • 收稿日期:2016-11-22
  • 最后修改日期:2017-03-10
  • 录用日期:2017-03-24
  • 在线发布日期: 2017-05-19
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