干旱胁迫下元宝枫生长性状及生理特性研究
Journal of Northwest Forestry University（2006）
Abstract
研究了干旱胁迫下元宝枫苗木某些生长性状和生理特性的变化.结果表明,干旱胁迫对元宝枫的生长性状和生理特性影响显著;随着干旱胁迫程度的加剧和时间的延长,元宝枫的苗高在整个胁迫期间持续上升;生物量和水分利用效率在中度处理下最高;蒸腾速率日变化均为先升后降趋势;在干旱胁迫条件下,净光合速率均呈下降趋势;脯氨酸含量在整个胁迫期间显著增大,说明元宝枫具有一定的抗旱性.
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Key words
drought stress,drought tolerance,Acer trunatum,physiological characteristics,growth properties
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