XIONG Qingqing,FAN Junjun,ZHANG Jing,et al.Analysis of Flower Color Characteristics of the Malus spp. Half-sib Progenies[J].Northern Horticulture,2024,(14):51-58.[doi:10.11937/bfyy.20234411]
观赏海棠半同胞家系花色特征分析
- Title:
- Analysis of Flower Color Characteristics of the Malus spp. Half-sib Progenies
- 文章编号:
- 1001-0009(2024)14-0051-08
- 分类号:
- S 722.3+4
- 文献标志码:
- A
- 摘要:
- 以‘金丰收’等9个海棠品种为母本的半同胞家系子代群体为试材,基于不同花期花色参数,研究了海棠自由授粉子代群体花色时序规律,以期为海棠花色育种提供参考依据。结果表明:子代不同花期花色CIELCH色空间动态图表明,随着花期推移,子代花色亮度L*值呈上升趋势,高亮度值子代占比较大(39.13% ~ 58.70%);饱和度C*值呈下降趋势;色调角h°值逐渐升高,位于红色区域的位点减少,出现褪色现象。基于最佳观赏期-盛花期花色参数的聚类分析,将92株子代划分为3个色系及7个子色系群体,其中紫红色系子代占比25%。与疑似父本群体相比,子代群体花色亮度值平均提高9.5%,花色褪色程度平均降低60%,子代花色稳定性提高。基于高L*、高C*和高稳定度(ΔE),紫红色系(L* ≥45,C* ≥40,ΔE2 ≤5)、粉色系(C* ≥20,ΔE1 ≤10,ΔE2 ≤10)、白色系(L* ≥90,ΔE1 ≤1,ΔE2 ≤1)共筛选出3株优株。自由授粉育种利于提高花色亮度和稳定性;花色色调角越高,其亮度与稳定性越高,淡化速率越低。
- Abstract:
- Taking half sibling offspring populations of 9 varieties of Malus spp.,included ‘Jinfengshou’,as the maternal parent,and based on different flowering period flower color parameters,the temporal patterns of flower color in the offspring population of free pollination Malus spp. were analyzed,in order to provide reference for Malus spp. flower color breeding.The results showed that based on the CIELCH color spatial dynamic map of different flowering periods in offspring,it was found that as the flowering period progressed,the L* value of offspring flower color brightness showed an upward trend,with high brightness values accounting for a larger proportion of offspring (39.13%-58.70%).The saturation C* value showed a decreasing trend.The hue angle h° value gradually increased,and the dots located in the red area decreased,resulted in fading phenomenon.Based on cluster analysis of flower color parameters from the best ornamental period to the peak flowering period,92 offspring were divided into 3 color groups and 7 sub color groups,with the purple red offspring accounting for 25%.Compared with the suspected paternal population,the average brightness value of the offspring population increased by 9.5%,the average degree of color fading decreased by 60%,and the stability of the offspring population′s color improved.Based on high L*,high C*,and high stability(ΔE),three superior plants were screened from purple (L* 45,C* 40,ΔE2 5),pink (C* 20,ΔE1 10,ΔE2 10) and white (L* 90,ΔE1 1,ΔE2 1).Free pollination breeding is beneficial for improving the brightness and stability of flower colors.The higher the color tone angle,the higher the brightness and stability,and the lower the fading rate.
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备注/Memo
第一作者简介:熊青青(1999-),女,硕士研究生,研究方向为森林培育。E-mail:xqq2568356675@163.com.责任作者:张往祥(1965-),男,博士,教授,现主要从事森林培育与观赏园艺等研究工作。E-mail:malus2011@163.com.基金项目:扬州市科技计划资助项目(YZ2022044);国家自然科学基金青年科学基金项目(32201622);江苏高校“青蓝工程”资助项目。收稿日期:2023-12-18