杨静怡;陶兴月;夏玉芳;谢钊俊;丁晓霞;

• 1:贵州大学林学院

摘要(Abstract)：

【目的】探讨影响核桃(Juglans regia L.)种子贮藏寿命的关键因素和适宜的贮藏条件,建立一种高效、快速、安全的测量核桃在不同贮藏条件下内含化学物质变化的方法。【方法】选择3种理化品质不同的核桃,利用L18(37)正交设计表,选择贮藏温度(-20℃、4℃、15℃)、种子含水率(4%、8%、12%)和不同硬壳厚度的核桃种类3个因素。在贮藏1 a(年)后,利用傅里叶红外光谱仪对不同贮藏条件下的核桃种子进行测定,以贮藏前后红外光谱相似度、脂肪特征峰面积减少量、碳水化合物特征峰面积减少量作为核桃氧化酸败程度的评价指标,利用极差分析确定最佳贮藏条件。【结果】温度是影响种子贮藏寿命的关键因素,4℃是最适宜的贮藏温度,而核桃种子含水率为8%时进行4℃冷藏最合适;核桃贮藏寿命也与种子的理化品质有一定关系。【结论】核桃贮藏应根据不同核桃的理化品质选择适宜的贮藏温度和含水率。而傅立叶红外光谱法可作为一种快速、高效、直接的测定核桃种子物质成分组成和相对含量的方法。研究结果可为核桃种质资源的保存提供一定的理论依据。

关键词(KeyWords)： 核桃;贮藏;红外光谱;快速检测

Abstract:

Keywords:

基金项目(Foundation): 贵州省重大科技专项计划项目“贵州省核桃产业化关键技术研究与示范”子课题1《核桃优质苗木规模化繁育技术研究》(研究黔科合重大专项字[2011]6011号);; “贵州大学青年教师科研基金项目”(贵大自青基合字[2012]006号)

作者(Authors): 杨静怡;陶兴月;夏玉芳;谢钊俊;丁晓霞;

DOI: 10.13925/j.cnki.gsxb.20150013

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