YANG Qin,WAN Xingquan,LI Dongping,et al.Effects of Temperature on Pollen Viability and Stigma Receptivity in ‘Premier’ Rabbiteye Blueberry[J].Northern Horticulture,2017,41(14):39-43.[doi:10.11937/bfyy.20170688]
温度对“杰兔”兔眼蓝莓花粉活力及柱头可授性的影响
- Title:
- Effects of Temperature on Pollen Viability and Stigma Receptivity in ‘Premier’ Rabbiteye Blueberry
- Keywords:
- blueberry; temperature; pollen viability; stigma receptivity
- 文献标志码:
- A
- 摘要:
- 以5年生兔眼蓝莓品种“杰兔”为试材，研究了温度对花粉活力和柱头可授性的影响，在此基础上开展了花粉活力和柱头可授性与温度的回归分析，以期阐明温度对蓝莓授粉的影响，明确蓝莓花粉活力和柱头可授性的最适温度，为蓝莓生产栽培花期管理，人工辅助授粉天气选择及温度抗性育种积累科学依据。结果表明：温度对“杰兔”的花粉活力和柱头可授性有显著影响，当温度显著降低或升高时花粉活力和柱头可授性均显著下降，当日均温为2.4 ℃时花粉活力仅为14.0%，同时柱头不具可授性，当最高温为32.3 ℃时花粉活力亦仅为41.0%，同时仅30.0%的柱头具强可授性。回归分析结果表明，“杰兔”花粉活力最高的适宜温度为21.5 ℃，柱头可授性最强的适宜温度为18.2 ℃。
- Abstract:
- Five-year-old rabbiteye blueberry ‘Premier’ was used as test material，the effects of temperature on pollen viability and stigma receptivity in rabbiteye blueberry were studied.So as to determine the cardinal temperatures (Tmin，Topt and Tmax) for pollen viability and stigma receptivity of rabbiteye blueberry by linear regression analysis，and to elucidate the effects of temperature on pollination，and to provide scientific data for flowering management，artificial pollination and temperature resistance breeding.The results showed that，there was a significant difference in pollen viability and stigma receptivity among different temperature，and the pollen viability and sitgma receptivity was significantly reduce with the rise or drop significantly of the temperature.The pollen viability was only 14.0% at 2.4 ℃，and there was no stigma receptivity，while the pollen viability and the rates of style with intense receptivity were declined obviously to 41.0% and 30.0% respectively when the temperatures were raised to 32.3 ℃.Furthermore，the results of regression analysis showed that the temperature of pollen viability and stigma receptivity were 21.5 ℃ and 18.2 ℃ respectively.
参考文献/References:
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备注/Memo
第一作者简介：杨芩（1983-），男，博士，教授，现主要从事果树育种与优质高产栽培技术等研究工作。E-mail：yangqin1028518@126.com.基金项目：凯里学院2016年度科技合作协议资助项目（黔科合HL字[2016]7331号）；贵州省教育厅“125计划”重大科技专项资助项目（黔教合重大专项字[2013]28 ）；凯里学院院级规划资助项目（Z1302）；贵州省科技基金计划资助项目（黔科合基础[2016]1132号）。