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泡桐优良无性系陕桐一号和陕桐二号的选育
THE BREEDING OF SUPERIOR PAULOWNIA CLONE SHANTONG NO 1 AND NO 2
【摘要】 经10年的人工有性杂交和实生选种研究,选育出了陕酮一号和陕桐二号两个泡桐优良无性系。其材积生长比兰考泡桐分别快61.6%和42.9%;丛枝病发病率比兰考桐低20—40%左右,受大袋蛾危害较轻。
【Abstract】 Shantong No 1 and No 2 are superior clones of Paulownia selected by artificial cross-breeding.They grow fast,trunks of them are straight,growth in volume is respectively 61.6% and 42.9% faster than that of Paulownia elongata, adaptabilities are fine,the incidence of paulownia witches broom is about 20- 40% lower than that of P.elongata.They are damaged not seriously by clania variegata snellen.They can be not only extended in Guanzhong and Weibei Areas,but also planted with trial In the south of Shaanxi.
- 【文献出处】 陕西林业科技 ,Shaanxi Forest Science and Technology , 编辑部邮箱 ,1988年04期
- 【被引频次】6
- 【下载频次】22