典型文献
Effects of different nitrogen forms and concentrations on seedling growth traits and physiological characteristics of Populus simonii × P. nigra
文献摘要：
Numerous growth and physiological vari-ables of 3-week-old Populus simonii × P. nigra seedlings were assessed after treatment with either nitrate nitrogen (NO 3 ? –N) (0.1, 0.5, 1, 5, or 10 mmol·L ?1 ) or ammonium nitrogen (NH 4 + –N) (0.1, 0.5, 1, 5, or 10 mmol·L ?1 ) to deter-mine the best nitrogen form and concentration to optimize growth, biomass allocation, pigment content, and photo-synthetic capacity. The results of combining membership function and an evaluation index suggested that, 5 mmol·L ?1 nitrogen, regardless of the form, yielded the highest com-prehensive evaluation index and good growth. In addition, a Pearson correlation analysis and network visualization revealed that the total mass, shoot mass, root mass, leaf dry mass, plant height, leaf area, chlorophyll a and total chlo-rophyll had a physiological index connectivity degree ≥ 15 for both nitrogen forms. Net photosynthetic rate, stomatal conductance, transpiration rate, maximum photochemical efficiency of PSII, total nitrogen content, ground diameter, chlorophyll b , and carotenoid were unique indices for evalu-ating NH 4 + –N-based nutrition, which could provide a theo-retical basis for evaluating the effects of nitrogen fertilizer on seedlings, cultivation periods, and stress tolerance in P. simonii × P. nigra .
文献关键词：
中图分类号：
作者姓名：
Zhongye Liu;Wei Li;Zhiru Xu;Huihui Zhang;Guangyu Sun;Heng Zhang;Chuanping Yang;Guanjun Liu
作者机构：
State Key Laboratory of Tree Genetics and Breeding,Northeast Forestry University,Harbin 150040,People's Republic of China;College of Life Science,Northeast Forestry University,Harbin 150040,People's Republic of China
文献出处：
引用格式：
[1]Zhongye Liu;Wei Li;Zhiru Xu;Huihui Zhang;Guangyu Sun;Heng Zhang;Chuanping Yang;Guanjun Liu-.Effects of different nitrogen forms and concentrations on seedling growth traits and physiological characteristics of Populus simonii × P. nigra)[J].林业研究（英文版）,2022(05):1593-1606
A类：
rophyll
B类：
Effects,different,nitrogen,forms,concentrations,growth,traits,physiological,characteristics,Populus,simonii,nigra,Numerous,vari,ables,week,old,seedlings,were,assessed,after,treatment,either,nitrate,ammonium,NH,deter,mine,best,optimize,biomass,allocation,pigment,content,capacity,results,combining,membership,function,evaluation,suggested,that,regardless,yielded,highest,prehensive,good,In,addition,correlation,analysis,network,visualization,revealed,total,shoot,root,leaf,dry,plant,height,area,chlorophyll,had,connectivity,degree,both,Net,photosynthetic,stomatal,conductance,transpiration,maximum,photochemical,efficiency,PSII,ground,diameter,carotenoid,unique,indices,nutrition,which,could,provide,theo,retical,basis,evaluating,effects,fertilizer,cultivation,periods,stress,tolerance
AB值：
0.59624
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