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不同的菜加入的跨物种杂交中的交叉兼容性

Yuanjun Ye^1,2, Yiwei Zhou^1,2, Jianjun Tan^1,2

¹Guangdong Provincial Key Lab of Ornamental Plant Germplasm Innovation and Utilization, Environmental Horticulture Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China.

Plants (Basel, Switzerland)

|September 1, 2023

概括

这项研究探讨了Curcuma的跨物种杂交,确定了最佳的父组合,以提高果实设置和种子发芽率. 结果为为城市景观培育具有增强遗传多样性的新种Curcuma品种铺平了道路.

科学领域:

园艺园艺园艺园艺
植物育种植物育种
遗传学遗传学是一个

背景情况:

是一种有价值的装饰植物和药用植物属,对传统育种方法的研究有限.
开发新的Curcuma品种对于扩大其在城市景观,盆栽花和切花市场中的应用至关重要.

研究的目的:

评估Curcuma加入中的花粉活力和污名感受性.
评估Curcuma加入之间的遗传关系.
进行跨物种杂交,以确定合适的母体组合,以提高杂交成功.

主要方法:

进行了花粉活力和污名感受性测试.
分析了38种Curcuma加入的遗传关系.
进行了132个互交交叉,使用选定的Curcuma alismatifolia,Curcuma杂交,Curcuma sparganiifolia品种和本地Curcuma物种作为父母.

主要成果:

观察到果实设置率的显著差异,Curcuma alismatifolia组合显示的最高率 (87.5%).
几乎65.9%的交叉是不相容的. 黄 (Curcuma alismatifolia 'Siam Shadow') 和黄 (Curcuma petiolata) 分别被确定为有希望的男性和女性父母.
每个水果的最大种子和高发芽率是通过特定的Curcuma alismatifolia和Curcuma attenuata组合实现的,真正的杂交率达到100%.

结论:

在Curcuma中,跨物种杂交是可行的,特定的父组合可以提高成功率.
识别合适的男性和女性父母对于克服交叉不相容问题至关重要.
这些发现支持将野生黄种的遗传变异引入栽培品种,促进城市绿区的可持续使用.

关键词:

辛吉贝拉属植物 (Zingiberaceae) 是一种植物.相互兼容性相互兼容性生育能力评价生育能力评价跨物种杂交的杂交化.城市景观城市景观

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