1) Populus euramericana
欧美杨
1.
Influence of FA on Photosynthesis and Transpiration Rate of Populus euramericana;
黄腐酸对欧美杨光合及蒸腾速率的影响
2.
Melanpsors magnusiana of more than 20 clones of Populus euramericana during their secdling was investigated and results are as follows:Melanpsors magnusiana of 6 clones etc.
本文对20种欧美杨杂种无性系苗期叶锈病进行了调查,结果表明:L-B1和L-B2等6个品种苗期叶锈病危害较重,感病指数都超过20%,其中L-B1感病指数高达78 7%;采用70%甲基托布津防治叶锈病防治效果达50%以上,其中70%甲基托布津1 800防治L-B1叶锈病最好,效果高达83 2%。
2) Populus×euramericana
欧美杨
1.
The radial variation patterns of wood density in 17 Populus×euramericana clones were studied by x ray wood densitometry.
以微密度分析对１７个欧美杨无性系木材密度径向变异模式进行了初步研究。
2.
The effect of different treatments on the cuttage survival and seedling growth of Populus×euramericana was studied.
研究了几种处理对欧美杨扦插成活和苗木生长的影响,结果表明:生根粉处理不仅能促进插条生根,提高成活率,而且对于促进苗木的加高、加粗生长效果更为显著,其中以100mg/kg处理效果最好;不同插穗长度对欧美杨扦插成活和苗木生长的影响,以20cm,18cm,15cm3个处理效果较好,且三者之间没有显著差异;扦插密度的影响,以株行距30×50cm效果最好。
3) Poplar
[英]['pɔplə(r)] [美]['pɑplɚ]
欧美杨
1.
Tissue Culture and Regeneration of Poplar (Populus deltoides×P. nigra);
欧美杨“山地1号”组织培养再生系统的建立
2.
The development of poplar can promote the development of rural economics,make local farmer become rich.
欧美杨生长快 ,成材早 ,经济价值高 ,是湖区造林的主要树种。
4) Populus×euramericana cv."74/76"
欧美杨107杨
1.
Morphological Analysis of the Fibers of Populus×euramericana cv."74/76";
欧美杨107杨木材纤维形态分析
5) Populus×euramericana Neva
欧美杨107
1.
Through seedling breeding experiments for five years,cross-regional introduction of two poplar hybred cultivars,Populus×euramericana Neva (Num.
在庆阳地区经过5年的育苗引种试验,成功实现了欧美杨107号和108号的跨区域引种,结果表明:欧美杨107、108引种扦插当年成苗率达到96%以上;三年苗高107号在5。
2.
Populus×euramericana Neva is an outstanding material for genetic breeding research and a favourite cultivar for paper industry and environmental protection which is propagated in North and Northeast of China.
在我国北方推广种植的欧美杨107是优良纸浆材和生态防护林品种,是基因工程育种研究中的优良材料。
6) Populus euramericana
欧美黑杨
1.
Study on the influencing factors of callus inducement and plant regeneration of Populus euramericana in vitro;
欧美黑杨离体再生途径及影响因子的研究
补充资料：和杨郎中贺杨仆射致仕后杨侍郎门生合宴席上
【诗文】：
业重关西继大名，恩深阙下遂高情。
祥鳣降伴趋庭鲤，贺燕飞和出谷莺。
范蠡舟中无子弟，疏家席上欠门生。
可怜玉树连桃李，从古无如此会荣。
【注释】：
【出处】：
全唐诗
业重关西继大名，恩深阙下遂高情。
祥鳣降伴趋庭鲤，贺燕飞和出谷莺。
范蠡舟中无子弟，疏家席上欠门生。
可怜玉树连桃李，从古无如此会荣。
【注释】：
【出处】：
全唐诗
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条