LIU Luqi,SHEN Yanhong,WU Zhijia,et al.Determination and Analysis of Postharvest Physiological Indexes of Suture in Different Peach Varieties[J].Northern Horticulture,2020,44(23):31-38.[doi:10.11937/bfyy.20200026]
不同桃品种采后缝合线生理指标的测定与分析
- Title:
- Determination and Analysis of Postharvest Physiological Indexes of Suture in Different Peach Varieties
- 文献标志码:
- A
- 摘要:
- 以秦皇岛地区的31份桃资源为试材，在早、中、晚熟桃中筛选出3份缝合线易软资源‘Z1-2’“超越2号”“绿化久”；“曙光”‘P2-1’“晚久保”3份缝合线不易软资源作为对照。探究影响缝合线软化的相关因素对这些品种的缝合线和果面部位的果实硬度、可溶性固形物、花青素含量、乙烯峰度和脱落酸（ABA）含量进行测定，研究了桃果实缝合线处提前软化对果实品质的影响，以期丰富桃果实缝合线软化的生理基础。结果表明：在易软品种中，缝合线处的乙烯峰度和花青素含量显著高于果面部位，而缝合线处硬度显著低于果面；在对照品种中，乙烯峰度、花青素含量与硬度在缝合线和果面部位的差异均不显著。在6个品种中，缝合线处的可溶性固形物含量均低于果面，ABA变化无规律，与缝合线软化没有相关性。
- Abstract:
- Taking 31 peach varieties in Qinhuangdao area as materials.Three varieties with soft suture were screened out,‘Z1-2’ ‘Chaoyue No.2’ ‘Lyuhuajiu’,and three varieties with hard suture were screened out,‘Shuguang’,‘P2-1’and ‘Wanjiubao’，in ord to explore the factors that affect suture softening.The hardness,soluble solids content,anthocyanin content,ethylene kurtosis and ABA content of suture or fruit surface of these peach varieties were studied.The effect of early softening of suture on peach fruit quality was studied in order to enrich the physiological basis of peach suture softening.The results showed that the ethylene kurtosis and anthocyanin content in the suture were significantly higher than those in the fruit surface in soft suture varieties,while the hardness in the suture was significantly lower than that in the fruit surface.In three hard suture varieties,there were no significant differences in ethylene kurtosis,anthocyanin content and hardness in suture and fruit surface.The content of soluble solids in suture was lower than that in fruit surface in all 6 varieties,and the changes of ABA had no regularity,indicating that there was no correlation with ABA and suture softening.
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备注/Memo
第一作者简介：刘璐琪（1993-），女，硕士研究生，研究方向为桃分子遗传育种。E-mail：707751633@qq.com.责任作者：张立彬（1962-），男，硕士，教授，现主要从事遗传育种等研究工作。E-mail：13603232069@163.com.基金项目：河北省教育厅资助项目（QN2018138）。收稿日期：2020-01-03