SUN Shihang,LIN Miaomiao,QI Xiujuan,et al.Determination of Semi-lethal Temperature of Kiwifruit by Electrolyte Leakage Method[J].Northern Horticulture,2019,43(04):69-73.[doi:10.11937/bfyy.20180950]
电导率法测定猕猴桃的半致死温度
- Title:
- Determination of Semi-lethal Temperature of Kiwifruit by Electrolyte Leakage Method
- Keywords:
- kiwifruit; electrolyte leakage; dormancy period
- 文献标志码:
- A
- 摘要:
- 以2个猕猴桃品种（‘LD133’“红阳”）休眠期1 年生枝条为试材，采用电导率法，研究了枝条低温处理时间以及去离子水浸泡时间对电导率值的影响，通过比较电导率与回归曲线的拟合度，以期获得准确的猕猴桃半致死温度。结果表明：猕猴桃休眠期枝条在梯度低温下处理8 h，并在去离子水中浸泡2 h，能够较好的预测猕猴桃枝条的半致死温度。该试验确定的电导法参数对“长江一号”“红宝石星”和‘Hort16A’半致死温度的确定是一种可行可靠的方法。
- Abstract:
- Two kinds of kiwifruit varities (‘LD133’‘Hongyang’) were used to study the effects of low temperature treatment time and deionized water immersion time on the results of calculating the semi-lethal temperature of kiwifruit by electrolyte leakage method.The fitting degree of the regression curve was to get the accurate half lethal temperature of kiwifruit.The results showed that the semi-lethal temperature of kiwifruit branches could be well predicted when the shoots were treated at low temperature gradient for 8 hours and soaked in deionized water for 2 hours.The conductivity parameters determined in this experiment were feasible and reliable for determining the electrolyte leakage of ‘Changjiang-1’‘Ruby Star’ and ‘Hort16A’.
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备注/Memo
第一作者简介：孙世航（1993-），男，硕士研究生，研究方向为果树生理与栽培技术。E-mail:18838294775@163.com.责任作者：方金豹（1963-），男，博士，研究员，研究方向为果树生理与栽培技术。E-mail:fangjinbao@caas.cn.基金项目：中国农业科学院科技创新工程专项资助项目（CAAS-ASTIP-2015-ZFRI）；中央级科研院所基本科研业务费专项资助项目（1610192017710）；河南省现代产业技术体系资助项目（S2014-11）。收稿日期：2018-05-28