| 铝胁迫对海南花生根系的研究初报 |
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| 引用本文： | 杨伟波,李东霞,董志国,付登强,陈良秋,刘小玉,杨衍. 铝胁迫对海南花生根系的研究初报[J]. 热带农业科学, 2013, 0(11): 12-15 |
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| 作者姓名： | 杨伟波 李东霞 董志国 付登强 陈良秋 刘小玉 杨衍 |
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| 作者单位： | [1]中国热带农业科学院椰子研究所海南文昌571339 [2]海南省热带油料作物生物学重点实验室海南文昌571339 [3]中国热带农业科学院热带作物品种资源研究所海南儋州571737 |
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| 基金项目： | 海南省重大科技项目（No.ZDZX2013020-3）;中央级公益性科研院所基本科研业务费专项资金（No.1630032013026）. |
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| 摘 要： | 采用水培方法．研究不同A13＋浓度处理对海南省本地农家种花生的根系生长、性状指标和生物量的影响。结果表明：（1）50μmol／LAl^3＋处理下的本地种花生的根长显著短于0μmol／LAl^3＋处理下的根长，100μmol／LAl^3＋处理下本地种花生根系生长发育受到严重抑制．（2）100μmol／LAl^3＋处理下．本地种花生株高和基茎直径显著小于0μmol／LAl^3＋处理下的株高和基茎直径，150μmol／LAl^3＋处理下本地种花生的分枝数显著低于0μmol／LAl^3＋处理下的分枝数。（3）200μmol／LAl^3＋处理下本地种花生的茎鲜重、茎干重、叶鲜重和叶干重显著低于0μmol／LAl^3＋处理下茎鲜重、茎干重、叶鲜重和叶干重。综合可知海南省本地种花生对铝较敏感，其根系生长发育相对于耐铝品种更容易受到铝毒害的影响。
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| 关 键 词： | 海南花生 铝胁迫 根系 |
Preliminary Report on the Root System of Hainan Peanut under Aluminum Stress |
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| YANG Weibo,LI Dongxia,Dong Zhiguo FU Dengqiang,CHEN Liangqiu,LIU Xiaoyu,YANG Yan. Preliminary Report on the Root System of Hainan Peanut under Aluminum Stress[J]. Chinese Journal of Tropical Agriculture, 2013, 0(11): 12-15 |
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| Authors: | YANG Weibo LI Dongxia Dong Zhiguo FU Dengqiang CHEN Liangqiu LIU Xiaoyu YANG Yan |
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| Affiliation: | 1 Coconut Research Institute, CATAS, Wenchang, Hainan 571339; 2 Hainan Key Biological. Laboratory of Tropical Oil Crops, Wenchang, Hainan 571339; 3 Tropical Crops Genetic Resources Institute, CATAS, Danzhou, Hainan, 571737) |
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| Abstract: | On the basis of root trait was the most important indicator for evaluate the aluminum （A1） resistance varieties, the root growth, character indicators and biomass of Hainan peanut were studied in nutrient solution culture with different Al^3＋ concentration. The results were shown as follow： （1） The root length of Hainan peanut at 50 μmol/LAl^3＋ was shorter than that of it at 0 μmol/LAl^3＋ and the root growth and development of Hainan peanut was seriously restrained at 100μmol/LAl^3＋. （2） The plant height and the diameter of base stem of Hainan peanut at 100 μmol/LAl^3＋ were significantly shorter than that of them at 0 μmol/LAl^3＋, the branching number of Hainan peanut at 150 μmol/LAl^3＋ were significantly lower than that of it at 0 μmol/LAl^3＋ （3） The stem fresh weight, stem dry weight, leaf fresh weight and leaf dry weight of Hainan peanut at 200 μmol/LAl^3＋ were significantly lower than that of them at 0μmol/LAl^3＋. In a word, Hainan peanut was sensitive to aluminum, its root growth and development was more easily influenced by aluminum toxicity than A1 resistance varieties. |
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| Keywords: | Hainan peanut aluminum stress root |
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