施肥对不同青钱柳种源苗期生长和多糖含量的影响

粟君; 方升佐; 尚旭岚; 邓波

doi:10.3969/j.issn.1000-2006.2015.01.009

粟君,方升佐,尚旭岚,邓波

南京林业大学学报（自然科学版） ›› 2015, Vol. 39 ›› Issue (01) : 44-48.

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南京林业大学学报（自然科学版） ›› 2015, Vol. 39 ›› Issue (01) : 44-48. DOI: 10.3969/j.issn.1000-2006.2015.01.009

研究论文

施肥对不同青钱柳种源苗期生长和多糖含量的影响

粟君,方升佐^*,尚旭岚,邓波

作者信息 +

Effects of fertilization on growth and polysaccharide content in seedlings of different provenances of Cyclocarya paliurus

SU Jun, FANG Shengzuo^*, SHANG Xulan, DENG Bo

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文章历史 +

摘要

在室内控制条件下,研究了6种施肥处理对3个青钱柳种源1年生苗生长和多糖含量的影响,分析了多糖在青钱柳苗根、茎和叶中的分布和积累动态。研究结果表明:施肥处理对苗高生长影响不显著,但对单株叶面积影响达到统计显著水平(P<0.05); 不同施肥处理下,青钱柳叶中多糖含量(质量分数)在0.76%～2.87%之间,且表现为以10月最高、9月最低的季节动态,EDTA叶面肥可以提高青钱柳叶片多糖含量。种源对青钱柳叶片多糖含量的影响不显著(P<0.05),以湖南沅陵种源含量最高。施肥处理和种源交互作用对青钱柳苗木根和茎中多糖含量的影响不显著,季节动态与叶中多糖含量趋势一致。青钱柳不同器官多糖含量不存在显著差异,根和叶中的含量基本相似,茎中的含量最低。

Abstract

Under the controlled conditions, effects of different fertilization treatments on polysaccharide content in one-year old seedlings of three Cyclocarya paliurus provenances, as well as distribution and accumulation dynamics of polysaccharide in leaf, root and stem were studied in the paper. The results showed that fertilization treatments had a significant influence on leaf area per plant(P<0.05), but did not affect height growth of C. paliurus seedling significantly. Polysaccharide content in the leaves of C. paliurus seedling ranged from 0.76% to 2.87%, and showed seasonal dynamics with the highest in October and lowest in September. Application of EDTA fertilizer obviously increased the polysaccharide content in the leaves of C. paliurus seedlings, while no significant difference was observed among the provenances. Both fertilization and provenance had no significant effects on polysaccharide content in the stems and roots and seasonal dynamic of polysaccharide content in the stems and roots was similar to the leaves. There was no significant difference in average content of polysaccharide content among different parts of C. paliurus seedlings, showing similar content in root and leaf, and the lowest content in stem. Results from this study would provide some important practical and theoretical bases for effectively managing the plantations of C. paliurus.

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粟君,方升佐,尚旭岚,邓波. 施肥对不同青钱柳种源苗期生长和多糖含量的影响[J]. 南京林业大学学报（自然科学版）. 2015, 39(01): 44-48 https://doi.org/10.3969/j.issn.1000-2006.2015.01.009

SU Jun, FANG Shengzuo, SHANG Xulan, DENG Bo. Effects of fertilization on growth and polysaccharide content in seedlings of different provenances of Cyclocarya paliurus[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2015, 39(01): 44-48 https://doi.org/10.3969/j.issn.1000-2006.2015.01.009

中图分类号： S718

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基金

收稿日期:2013-10-08 修回日期:2014-09-08
基金项目:国家自然科学基金项目(31270673); 江苏省普通高校研究生科研创新计划项目(CXLX12-0540)
第一作者:粟君,博士。*通信作者:方升佐,教授,博士。E-mail: fangsz@njfu.edu.cn。
引文格式:粟君,方升佐,尚旭岚,等. 施肥对不同青钱柳种源苗期生长和多糖含量的影响[J]. 南京林业大学学报:自然科学版,2015,39(1):44-48.