377 isolates of Magnaporthe grisea were collected from 17 provinces in China and their geographic distribution of mating......

The random amplified polymorphic DNA (RAPD) marker was assessed to detect the genetic relationships among 48hybrid Cymbi......

利用ＲＡＰＤ技术，对３０（１份糖甜菜，对照）份Ｂｅｔａ属叶用甜菜种质资源材料的总ＤＮＡ进行ＲＡＰＤ分析，并利用ＵＰＧＭＡ法绘制聚类分析图谱。结果表明：１）２９份叶用甜菜样品和１份糖甜菜样品......

"成油体系"这一术语引起了石油地质学家的关注并且给予了不同的定义或解释.Maggon(1987)首先给"成油体系"下了定义,强调了成熟烃源......