Effects of aluminum on growth, development, and nutrient composition of honeylocust (Gleditsia triacanthos L.) seedlings.
Effects of aluminum on growth, development, and nutrient composition of honeylocust (Gleditsia triacanthos L.) seedlings.
复制标题
铝对皂荚 (Gleditsia triacanthos L.) 幼苗生长、发育和营养成分的影响。
DOI：
10.1093/treephys/2.1-2-3.307
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发表时间：
1986
期刊：
影响因子：
4
通讯作者：
D. Raynal
中科院分区：
文献类型：
--
作者：
F. Thornton;M. Schaedle;D. Raynal
通过水培试验研究了铝对皂荚幼苗根系发育、地上部形态和营养成分的影响。幼苗在pH 4下在含有0、50、150、600或1500 μ M Al的营养液中生长。在7天内，对照幼苗与在150或600 μ M Al存在下生长的幼苗之间的根生长和根营养成分存在显著差异。到第14天，在1500 μ M Al处理的幼苗中观察到叶产量和植物高度的显著降低。在最低Al浓度50 μ M下，叶大小和扩展速率显著低于对照。到实验的第三周，铝处理的幼苗的幼叶中的Ca和Mg浓度显着低于对照植物的叶片。老叶组织的分析，但是，没有发现与铝处理的营养浓度一致的模式。
Hydroponic experiments were conducted to determine the effects of aluminum (Al) on root development, shoot morphology and the nutrient composition of honeylocust seedlings (Gleditsia triacanthos L.). Seedlings were grown at pH 4 in a nutrient solution containing 0, 50, 150, 600 or 1500 microM Al. Within seven days, there were significant differences in root growth and root nutrient composition between control seedlings and seedlings grown in the presence of 150 or 600 microM Al. By day 14, significant reductions in leaf production and plant height were observed in seedlings treated with 1500 microM Al. At the lowest Al concentration, 50 microM, leaf size and expansion rates were significantly lower than in the controls. By the third week of the experiment, Ca and Mg concentrations in young leaves of the Al-treated seedlings were significantly lower than in leaves of control plants. Analysis of old leaf tissue, however, revealed no consistent pattern of nutrient concentration with Al treatment.