论文部分内容阅读
银新1号杨(Populusxinshinus CV·‘l’号)银新2号杨(P·Xisnhinus CV·‘2’号)是以银白杨为母本、新疆杨为父本,经系统选育而选出的优良无性系。该品种综合了亲本的优良特性,表现出明显的杂种优势及显著的经济性状,由于插条极易生根,扦插育苗成活率高,生长迅速,树干通直,抗逆性强等特性,显著优于亲本而深受群众欢迎。形态特征银新1号杨及银新2号杨均系雄株,外部形态似亲本的中间偏父本类型及父本类型,树干通直圆满,树形美观。树冠及枝:银新1号杨中等冠型,侧枝细弱,枝角开展约35度,是银北杨、新疆杨的中
Populus xinshinus CV ’l’ Populus xinshinus CV ’’ P Xisnhinus CV ’’ 2 was poplar-bred as male parent and Xinjiang poplar as male parent and bred by systematic selection Out of the excellent clones. The variety combines the excellent characteristics of the parents, showing obvious heterosis and significant economic traits, because the cutting of the root is easy to root, cutting seedling survival rate is high, rapid growth, trunk straight, strong resistance and other characteristics, significantly better In the parent and welcomed by the masses. Morphological characteristicsYinxin 1 and Yinxin 2 are all male plants, the outer shape of the parents of the middle part of the parent type and paternal type, trunk straight round, tree-shaped appearance. Canopy and branches: Yin new No. 1 Yang crown medium, fine side branches, branches about 35 degrees to carry out, is the northern poplar, Xinjiang Yang in the