产生杂交的高效方法,使用多胚胎的萨祖马普通作为雌性母体
Takahiro Noda1, Kaoru Daiou2, Takashi Mihara3
1Kumamoto Prefectural Agricultural Research Center, 3801, Sakae, Koshi-shi, Kumamoto, 861-1113 Japan.
Molecular breeding : new strategies in plant improvement
|June 14, 2023
概括
对于多胚胎的三,直接在土壤中播种种子是获得杂交的更有效和更实用的方法,而不是体外胚胎救援. 这种在土壤中的方法产生了更高的混合物比率,挑战了关于胚胎生长的先前假设.
科学领域:
- 植物育种与遗传学
- 园艺园艺 园艺园艺
- 类研究 类研究
背景情况:
- 多胚胎类种子含有多个核细胞胚胎和一个胚胎胚胎,使杂交复杂化.
- 细胞核胚胎通常被认为比细胞胚胎更有活力,影响传播策略.
- 实验室胚胎救援通常用于胚胎复苏,但其相对于更简单的方法的效率尚未确立.
研究的目的:
- 为了比较土壤内种植种子与体外胚胎救援的有效性,以从多胚胎的萨祖马普通中获得杂交.
- 评估每种在类品种育种中混合选择方法的效率和实用性.
主要方法:
- 使用多胚胎的萨祖马作为母体.
- 直接在土壤中播种的种子和体外培养的种子之间的胚胎发育和混合恢复率的比较.
- 对每种方法的杂交物与总得出的种群的比例进行评估.
主要成果:
- 在土壤中的方法与体外法相比,每种种子的成熟胚胎数量不到三分之一.
- 虽然体外培养产生了更多的混合物,但在土壤中培养的方法导致了人口中混合物的比例显著提高.
- 通过土壤内方法获得的个体显示出与核细胞胚胎相似的生长,这表明在这种条件下,胚胎是可行的.
结论:
- 在土壤中播种的种子播种方法更有效和实用,用于从多胚胎的松山普通种子中选择杂交品种.
- 这项研究证明了 in-soil 方法的可行性和有效性,为 in vitro 技术提供了成本效益高且更简单的替代方案.
- 结果表明,在选择的萨祖马普通交叉中的胚胎在通过土壤内方法繁殖时表现出强大的生长.
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