【摘要】 以青杨为母本,分别以辽宁杨、33号杨和美洲黑杨为父本,采用4种不同的处理方法,得到青杨最佳的杂交组合处理方法:青杨×辽宁杨(父本与青杨高温失活花粉的混合花粉)、青杨×33号杨关(键母词本:青花杨粉;提杂取交液制蒙种导)、青杨×美洲黑杨(父本与小青杨3:1混合花粉)。更多还原

【Abstract】 As Populus cathayana was as female parent,P.liaoningensis,"33" popular and p.deltoids were as male parent,optimal cross combination methods of P.cathayana were obtained by had been taken on 4 different treatments.The optimal cross combination methods: P.cathayana×P.liaoningensis(mixed pollen include of male parent and inactivation P.cathayana treated by high temperature),P.cathayana×"33" popular(female pollen extract mentor),P.cathayana×P.deltoids(mixed pollen(female parent:P.pseudo-simonii Kitag.=3:1)).更多还原