详细信息
文献类型:期刊文献
中文题名:3种相思幼苗抗旱性研究
英文题名:Study on the Drought-resistance of Three Seedlings of Acacia
作者:张卫华[1] 张方秋[1] 张守攻[2] 徐大平[1] 陈祖旭[1] 黄烈健[1]
第一作者:张卫华
机构:[1]中国林业科学研究院热带林业研究所;[2]中国林业科学研究院林业研究所
年份:2005
卷号:18
期号:6
起止页码:695-700
中文期刊名:林业科学研究
外文期刊名:Forest Research
收录:CSTPCD;;Scopus;北大核心:【北大核心2004】;CSCD:【CSCD2011_2012】;
基金:"十五"国家科技攻关项目(2002BA515B0202)"948"引进国际创新项目(2001-C2)
语种:中文
中文关键词:相思;幼苗;抗旱性;生理指标
外文关键词:Acacia ; seedlings ; drought resistance; physiological indexes
分类号:S722.36
摘要:以聚乙二醇(PEG-6000)的渗透溶液模拟水分胁迫条件,比较了不同水分胁迫强度下3种相思幼苗的抗旱性, 并确定了鉴定幼苗抗旱性的生理指标。结果表明:相对电导率、相对含水量、相对水分亏缺、可溶性糖含量、游离脯 氨酸等指标可作为鉴定相思幼苗早期抗旱性的生理指标;3个树种的抗旱能力排序为:厚荚相思>大叶相思>马占 相思。
This paper compared the drought resistance of throe seedlings of Acacia under different water stress by means of treating with polyethylene glycol 6000 (PEG-6000) solutions with different osmotic potentials to imitate the condition of water stress , furthermore, decided appraising physiological indexes of early drought resistance of seedlings. The result showed that the indexes of EC, RWC, RWD, Ssug and Fpro could be used as appraising indexes of early drought resistance of seedlings of Acacia, and concluded that the drought resistance of three tree species from strong to weak was A. crassicarpa , A. auriculaeformis, A. mangium.
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