摘要
不同植物类群的种子耐干性差异明显 ,在自然界中种子的耐干性变化呈连续性特点 .顽拗性种子为原始性状 ,也可能为进化的保留种或返祖种 ,一般分布于热带林地 。
The seeds desiccation tolerance of different plant species e xi sts Obvious difference. It is a quantitative character, in an other word, it is not a 'all-none' phenotype. Recalcitrance of seeds should be a original phenot ype, but also may be a kind of conserve or rejuvenile character. Recalcitrant s eeds mainly distribute in tropical forest, but also distribute in temperate zone .
出处
《怀化学院学报》
2003年第5期52-55,共4页
Journal of Huaihua University
基金
广东省自然科学基金(980 3 60
0 0 12 24)
国际植物遗传资源研究所(IPGRI 0 0076)资助项目
