达罗的蓝之间的交叉杂交 (V. 达罗维营地) 和林贡贝里 (V. 维蒂斯-伊代亚 (L.)
Mark K Ehlenfeldt1, Nahla Bassil2, Ryan King2
1USDA-ARS, Philip E. Marucci Center for Blueberry and Cranberry Research and Extension, Chatsworth, NJ 08019, USA.
Plants (Basel, Switzerland)
|June 19, 2024
概括
研究人员在达罗的蓝和果之间创造了新的跨物种杂交. 这些杂交品种显示出新鲜水果类型和提高作物适应性的潜力.
科学领域:
- 园艺园艺 园艺园艺
- 植物育种 植物育种
- 遗传学 是一个遗传学.
背景情况:
- 开发具有可取特征的新果品种对农业至关重要.
- 跨物种杂交提供了一条将不同物种的遗传资源结合在一起的途径.
- 蓝 (V. darrowii) 和 (V. vitis-idaea) 是具有独特特征的有价值的果作物.
研究的目的:
- 创建和描述V. darrowii和V. vitis-idaea之间的真正的物种间杂交.
- 为了评估这些杂交品种的生育能力和交叉能力.
- 探索这些杂交品种在开发新鲜水果类型方面的潜力.
主要方法:
- 在V. darrowii'Johnblue'和V. vitis-idaea'Red Sunset'之间进行了初始交叉.
- 使用分子标记物确认杂交.
- 评估杂交的活力,生育能力和交叉兼容性,通过授粉和笔样检查.
- 随后与两个母物种的额外基因型进行了交叉.
主要成果:
- 从最初的交叉中产生了30多种真正的双胞胎杂交.
- 鉴定了一种有活力的杂交 (US 2535-A) 具有中间形态但男性和女性生育能力低.
- 在自我和反交叉授粉中观察到花粉管生长抑制.
- 通过进一步的交叉,成功地在七种父母组合中产生了额外的杂交品种 (23).
结论:
- 在V. darrowii和V. vitis-idaea之间进行跨物种杂交是可行的,从而产生可行的杂交.
- 在F1混合体中存在生育挑战,但成功实现了反向交叉.
- 这些杂交物有望创造新的跨物种水果品种,并扩大果适应性.
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