美洲黑杨杂种无性系抗病性研究  

A STUDY ON THE DISEASE RESISTANCES OF EASTERN COTTONWOOD CLONES

作　　者：杨俊秀[1] 李武汉[1] 符毓秦 刘玉媛 

机构地区：[1]西北林学院 [2]陕西省林科所

出　　处：《陕西林业科技》1989年第2期7-14,共8页Shaanxi Forest Science and Technology

摘　　要：对美洲黑杨与青杨派树种杂交及美洲黑杨种内杂交所选出的几个生长快、适应性强的无性系,作了锈病、黑斑病、溃疡病的抗性研究。结果表明:这些无性系绝大部分为抗病或高抗,少数为感病。其中对这3种病害均表现抗病或高抗的有69杨×美洲黑杨的5个无性系;06号、52号、57号、66号、80号及69杨。对锈病感病的有69杨×青杨的两个无性系:142号、1062号及69杨×小青杨的592号无性系;高感的有69杨×小叶杨的216号无性系。对黑斑病高感的有Ⅰ—214杨×北京杨的01号无性系及214杨、沙兰杨。The disease resistances of eastern cottonwood clones,Poplus deltoides×Tacamahaca and P.deltoides×P.deltoide to the rust,Melampsora laricipoplina,to the leaf black-spot,Marssonina brunnea,and to the canker, Dothiorerlla gregaria have been carried out in the Shaanxi province.the results indicabed that most of these clones were resistant or high-resistant and a few susceptible to those diseases.with resistance or high-resistance among the clones as follows:five clones of poplar No.69(P.deltoides cv.‘Lux’)×p. deltoides,i.e.,No.06,52,57,66,80 and popular No.69.with susceptible to melampsora larici-poplina were three clones,poplar No.69×P,cathayana (No.142,1062)and poplar No.69×P.pseudo-simonii(No.592);with high- susceptible was clone No.216,high-susceptible poplar clones to Marssonina brunnea were No.01(poplar 1-214×P.beijingensis),poplar I-214 and P.×e- uramericana cv、‘Sacrau-79’.

关 键 词：黑杨 杂交种 无性系 抗病性 

分 类 号：S722.36[农业科学—林木遗传育种]