摘要
渐渗是指一个种的遗传物质通过杂交与反复回交穿越种间障碍转入到另一个物种内的现象,又称渐渗杂交(Introgressive Hybridization)(Anderson,1953).松属是一个种间杂交比较容易的属.关于松属的种间杂交国内外已有不少报道.而关于黄山松与马尾松的自然杂交,却一直存有争议.黄山松分布于我国东部中亚热带高山,海拔700 m以上.马尾松广布于我国亚热带地区.在长江下游地区,垂直分布于海拔700 m以下,长江中上游地区,其垂直高度可达1200~1500 m左右.在黄山松与马尾松共同分布地区,海拔700~1000 m之间形成了一个黄山松与马尾松垂直分布的重叠区.
Random amplified polymorphic DAN were used to study the introgressive hybridization between Huangshan Pine(\%Pinus hwangshanensis)\% and Masson Pine (\%P.massoniana\%). The results indicated that the hybrids and introgression existed in the overlap zone between two species. The backcross mainly occured between the hybrids and Masson Pine.
作者
罗世家
邹惠渝
梁师文
Luo Shijia(Hubei Institute for Nationalities\ Enshi 445000) Zou Huiyu(Nanjing Forestry University\ Nanjing 210037) Liang Shiwen(Landscape Bureau of Mt. Huangshan, Anhui Province\ Huangshan 242709)
出处
《林业科学》
CAS
CSCD
北大核心
2001年第6期 118-122,共5页
Scientia Silvae Sinicae