Amy Breen, Elise Glenn, Adam Yeager, Matthew S. Olson,
... to 0.023 (Farmer et al., 1988); Populus deltoides: the mean FST for 22 isozyme loci was ... 43.60 80.26 16 15 15 Populus deltoides Hubbard State Park Connecticut 41.55 72.83 ... A. Gray ex Hook.) and eastern cottonwood (Populus deltoides Bartram ex Marsh.) to determine whether diversity was ... North American collections of poplar (P. balsamifera, P. deltoides and P. trichocarpa) and three Eurasian Populus species ( ... able to compare diversity among P. balsamifera, P. deltoides, P. trichocarpa (data presented herein), P. tremula (accession ...
Tópico(s): Chromosomal and Genetic Variations
2009 - Wiley | New Phytologist
John H. Bassman, John C. Zwier,
... dry, continental climate in eastern Washington), one P. deltoides clone, and two P. trichocarpa × P. deltoides clones. Light saturation of photosynthesis in greenhouse-grown ... 800 μmol m−2 s−1 for P. deltoides, P. trichocarpa × P. deltoides, and the eastern Washington ecotype of P. trichocarpa, ... μmol CO2 m−2 s−1 for P. deltoides, P. trichocarpa × P. deltoides, and the eastern and western Washington clones of ... and around –1.25 MPa in the P. deltoides and P. trichocarpa × P. deltoides clones. Transpiration rates ...
Tópico(s): Bioenergy crop production and management
1991 - Oxford University Press | Tree Physiology
Harminder Pal Singh, Ravinder Kumar Kohli, Daizy R. Batish,
... Helianthus annuus was studied in association with Populus deltoides under alley cropping practice in two sets of ... soil collected from an area devoid of P. deltoides trees (S r ).Germination, plant height and biomass ... by 10 to 30% in both the P. deltoides fields compared to the ones without trees (S ... in response to the aqueous leachates of P. deltoides leaves.Likewise, the seedling length and dry weight ... litter amended soil.Litter and soil from P. deltoides fields were found to be rich in phytotoxic ... litter / phenolics / allelopathy Résumé -Interférence allélopathique de Populus deltoides avec quelques cultures d'hiver.On a étudié ...
Tópico(s): Seed Germination and Physiology
2001 - Springer Science+Business Media | Agronomie
Rongling Wu, Mingxiu Wang, Minren Huang,
... hybrid populations of eastern cottonwood (Populusdeltoides Bartr.): P. deltoides × Populussimonii Carr. and P. deltoides × Populusnigra L. Growth variables differed quite significantly (P < ... diameter and volume were more rapid for P. deltoides × P. simonii hybridization than for P. deltoides × P. nigra hybridization. Selection of the best 5% of the clones from P. deltoides × P. simonii and the best 10% from P. deltoides × P. nigra produced mean 6th-year volume growth ... of 51 and 37%, respectively. Relative to P. deltoides, their high parent, the ratio of clonal heterosis ...
Tópico(s): Forest ecology and management
1992 - NRC Research Press | Canadian Journal of Forest Research
Yurong Wang, Cangwei Liu, Rongjun Zhao, Jessica McCord, Timothy G. Rials, Siqun Wang,
... were prepared using stem xylem from cottonwood (Populus deltoides) and two cottonwood hybrids (P. deltoides × Populus maximowiczii and P. deltoides × Populus trichocarpa), which grew in Tennessee, United States. ... of fiber cell (0.40) of the P. deltoides × P. trichocarpa, which had the slowest growth rate, ... 25 GPa and 8.58 GPa for P. deltoides, 0.28 GPa and 8.34 GPa for P. deltoides × P. maximowiczii, and 0.31 GPa and 12.2 GPa for P. deltoides × P. trichocarpa, respectively. P. deltoides × P. trichocarpa with the slowest growth rate had ...
Tópico(s): Bamboo properties and applications
2016 - Elsevier BV | Biomass and Bioenergy
Carissa L. Wonkka, Dirac Twidwell, Christine H. Bielski, Craig R. Allen, Michael C. Stambaugh,
Populus deltoides is considered to be a weak resprouter and highly susceptible to wildfire, but few post‐wildfire studies have tracked P. deltoides response and resprouting within the Great Plains of ... are consistent with the current understanding of P. deltoides response to wildfire in the Great Plains: (1) regeneration of P. deltoides will be low in areas burned by the wildfire; (2) the number of dead P. deltoides individuals will be greater in the wildfire than ... 3) tamarisk regeneration will be higher than P. deltoides regeneration in the wildfire areas because tamarisk is ...
Tópico(s): Forest ecology and management
2017 - Wiley | Restoration Ecology
... Various aspects of the floral morphology of Populus deltoides, in which a time lag may occur between ... integuments do not appear until spring. In P. deltoides the number of carpels varies from two to ... occur on the connective and filaments in P. deltoides. 5. The ovules are anatropous, and each has a well-developed vascular strand. In P. deltoides the ovules are initially bitegmic, but in older ... archesporial cells are hypodermal in origin. In P. deltoides there are five or six, but usually only ... pistillate catkin. 11. Pollen germination tests in P. deltoides indicate that pollen grains readily germinate when they ...
Tópico(s): Tree Root and Stability Studies
1952 - University of Chicago Press | Botanical Gazette
T. Fossati, F. Grassi, F. Sala, Stefano Castiglione,
... a total of 60 commercial clones of Populus deltoides Marsh. and Populus × canadensis Moench (typically derived from crosses between Populus nigra L and P. deltoides ) and to characterize a natural population of P. ... have alleles which were species‐specific to P. deltoides and could therefore be used as markers for introgression of P. deltoides into P. nigra . In the studied region hybrid poplars and P. deltoides commercial clones are cultivated as monoclonal stands close ... and the monoclonal plantations of hybrids and P. deltoides clones cultivated in the surrounding area. Three stages ...
Tópico(s): Genetic diversity and population structure
2003 - Wiley | Molecular Ecology
Heidi M. Appel, Thomas M. Arnold, Jack C. Schultz,
... and branched hybrid poplar saplings (Populus nigra × P. deltoides). • The import of 13C to juvenile tissues was ... material Hybrid poplar saplings (Populus nigra L. × P. deltoides W. Bartram ex Marshall; also known as Populus × ... or fully expanded source leaves (≥ LPI8). In P. deltoides, the primary vascular connections (orthostichy) are five LPI ... in unbranched hybrid poplar saplings (Populus nigra × P. deltoides). (a) Stable isotope labelling scheme in which the ... leaf of hybrid poplar saplings (Populus nigra × P. deltoides) with smaller leaves importing more (R = − 0.592, ...
Tópico(s): Weed Control and Herbicide Applications
2012 - Wiley | New Phytologist
Nataša Nikolić, Lana Zorić, I Cvetković, Slobodanka Pajević, Milan Borišev, Saša Orlović, Andrej Pilipović,
... The present study evaluates the potential of Populus deltoides (clone B-81) and Populus × euramericana (clone Pannonia) ... Our results suggest that P. × euramericana and P. deltoides clones respond differently to Cd contamination. Biomass production ... negatively affected in P. × euramericana than in P. deltoides plants. However, most examined leaf structural parameters were ... in both clones, but was higher in P. deltoides than P. × euramericana (82.2 vs. 66.5, ... higher tolerance to Cd toxicity observed in P. deltoides could be related to unchanged proline content and ...
Tópico(s): Seed Germination and Physiology
2017 - | iForest - Biogeosciences and Forestry
Shengjun Bai, Hainan Wu, Jinpeng Zhang, Zhiliang Pan, Wei Zhao, Zhiting Li, Chunfa Tong,
Populus deltoides has important ecological and economic values, widely used in poplar breeding programs due to its superior characteristics ... to disease. Although the genome sequence of P. deltoides WV94 is available, the assembly is fragmented. Here, ... an improved chromosome-level assembly of the P. deltoides cultivar I-69 by combining Nanopore sequencing and ... annotation showed that 39.28% of the P. deltoides genome was composed of interspersed elements, including retroelements ( ... 362 protein-coding genes in the current P. deltoides assembly. Compared with the previous genome assembly of ...
Tópico(s): Bioenergy crop production and management
2021 - Oxford University Press | Journal of Heredity
... compare the allelic constitution of individuals of Populus deltoides Marsh., P. nigra L., P. maximowiczii Henry, P. × ... enzyme systems in root tips were observed. Populus deltoides, P. nigra, and P. maximowiczii were genetically distinct ... species also had some species-specific genes. Populus deltoides, P. nigra, and P. maximowiczii could be distinguished ... could be used as markers to distinguish P. deltoides from P. nigra and P. maximowiczii, allozymes of ... Pgm-3 to distinguish P. nigra from P. deltoïdes and P. maximowiczii, and allozymes of Got-1, ...
Tópico(s): Yeasts and Rust Fungi Studies
1990 - Canadian Science Publishing | Canadian Journal of Botany
The allelic constitution of 30 Populus deltoides Marsh, clones selected in Canada and United States was determined for 37 allozyme loci coding for 12 enzyme systems in root tips. ... Cherry Beach, Ont., and five clones of P. deltoides var. occidentalis were in the same group. There ... no separation of clones of two varieties, P. deltoides var. deltoides and P. deltoides var. occidentalis. These results and their usefulness were ... registration, and relationships of clones.Key words: Populus deltoides Marsh., allozymes, multilocus genotypes, clone characterization, clonal relationships, ...
Tópico(s): Agricultural Productivity and Crop Improvement
1989 - NRC Research Press | Genome
The allelic constitution of 169 Populus deltoides Marsh, clones, selected in North America, was studied at 8 marker allozyme loci (Aco‐2, Mdh‐2, Pgi‐2, Pgm‐1, Pgm‐ ... of these selections (16%) were misidentified as P. deltoides. Eighteen of the misidentified selections displayed isozyme genotypes and patterns typical of P. deltoides x P. higra L. hybrids (P. xcanadenis Moench) and the remaining nine selections typical of P. deltoides x P. balsamiferaL. (P. xjackii Sarg.). The results indicated a need for screening North American P. deltoides selections used for plantation, breeding, and biological studies ...
Tópico(s): Forest Insect Ecology and Management
1991 - Taylor & Francis | Scandinavian Journal of Forest Research
John W. Barrett, Om P. Rajora, Francis C. Yeh, Bruce P. Dancik, Curtis Strobeck,
... genomes of four Populus species (P. nigra, P. deltoides, P. maximowiczii, and P. tremuloides) and the natural hybrid P. x canadensis (P. deltoides x P. nigra). Total cellular DNAs of these ... the CoxI probe. However, two varieties of P. deltoides were distinct because of a single site change in the KpnI digestions, demonstrating that P. deltoides var. deltoides (eastern cottonwood) and var. occidentalis (plains cottonwood) have ... fragment patterns as its suspected maternal parent P. deltoides. Nucleotide substitutions per base in and around the ...
Tópico(s): Genetic diversity and population structure
1993 - NRC Research Press | Genome
Claudio C. Ramı́rez, Francisco Zamudio, Jaime V. Verdugo, Mónica Núñez,
... poplar crosses, [(P. trichocarpa Torr. & Gray x P. deltoides Bartram ex Marshall) x (P. trichocarpa x P. deltoides)] and [(P. trichocarpa x P. maximowiczii Henry) x ... increase was higher in [(P. trichocarpa x P. deltoides) x P. deltoides] hybrids, and lower in [(P. trichocarpa x P. ... and performance were higher in hybrids with P. deltoides parentage, whereas hybrids with P. maximowiczii parentage showed ... performance was lower compared with hybrids with P. deltoides parentage. These results suggest that among poplar hybrids ...
Tópico(s): Insect Pest Control Strategies
2004 - Oxford University Press | Journal of Economic Entomology
Ryan R. McShane, Daniel A. Auerbach, Jonathan M. Friedman, Gregor T. Auble, Patrick B. Shafroth, Michael F. Merigliano, Michael L. Scott, N. LeRoy Poff,
... and Elaeagnus angustifolia , and their native competitor Populus deltoides . River reaches in this study were distributed along ... with greater abundance of Tamarix relative to P. deltoides , and greater abundance of P. deltoides relative to Elaeagnus. Populus deltoides abundance was more strongly related to peak flow ... floods were associated with greater abundance of P. deltoides and Tamarix relative to Elaeagnus . Therefore, increases in ... and decrease that of Elaeagnus relative to P. deltoides , changes in peak flow timing caused by climate ...
Tópico(s): Soil erosion and sediment transport
2015 - Wiley | Ecography
Beibei Zhang, Qing Xu, Deqiang Gao, Chunwu Jiang, Futing Liu, Jing Jiang, Ting Wang,
... to explore the water uptake patterns of Populus deltoides in two types of riparian forests (pure vs. mixed stand of P. deltoides), under different magnitudes of rainfall (7.9, 15. ... and plant properties affecting the proportion of P. deltoides water uptake from different soil layers. Our results revealed that compared to pure stands, P. deltoides in mixed stands had a lower water uptake ... the primary factors influencing water uptake by P. deltoides. This suggests that P. deltoides in mixed stands could increase the proportion of ...
Tópico(s): Plant responses to water stress
2019 - Elsevier BV | The Science of The Total Environment
Yanshu Qu, Pengyan Zhou, Chunfa Tong, Changwei Bi, Lian Xu,
Abstract Genomics research of Populus deltoides , an important timber species that is widely planted worldwide, is an important part of poplar breeding. Currently, the nuclear and chloroplast genome of P. deltoides have been sequenced, but its mitochondrial genome (mitogenome) ... further explore the evolution and phylogeny of P. deltoides , the mitogenome of P. deltoides I-69 was assembled using reads from Nanopore ... a phylogenetic analysis, the evolutionary status of P. deltoides was determined, and the section Populus was supported. ...
Tópico(s): RNA and protein synthesis mechanisms
2022 - Springer Science+Business Media | Journal of Forestry Research
Y. Finet, J. M. Pasteels, Jean Deligne,
... increasing ‘resistance’ obtained is as follows: ‘Gaver’ (P. deltoïdes × nigra) ; ‘Columbia River’ (P. trichocarpa) , ‘Unal’ (P. trichocarpa × deltoïdes) und ‘Robusta vert’ (P. deltoïdes × nigra) ; ‘Fritzy Pauley’ (P. trichocarpa) ; ‘Ghoy 1’ (P. ... Als Reihe zunehmender Resistenz ergab sich: ‘Gaver’ (P. deltoïdes × nigra) — ‘Columbia River’ (P. trichocarpa) — ‘Unal’ (P. trichocarpa × deltoïdes) und ‘Robusta vert’ (P. deltoïdes × nigra) — ‘Fritzy Pauley’ (P. trichocarpa) — ‘Ghoy 1’ (P. ...
Tópico(s): Insect Resistance and Genetics
1983 - Wiley | Zeitschrift für Angewandte Entomologie
Ryan C. Dowell, Daniel E. Gibbins, Julie L. Rhoads, Stephen G. Pallardy,
... culture is relatively sparse. In this study, Populus deltoides and P. deltoides × P. nigra hybrid clones were grown for 5 ... favorably to poplar culture in other regions. P. deltoides clones yielded almost twice as much as hybrids ( ... growth by the latter. Superior yields of P. deltoides clones were associated with greater (32–120%) production ...
Tópico(s): Forest Biomass Utilization and Management
2008 - Elsevier BV | Forest Ecology and Management
Gary S. Bañuelos, Dominic LeDuc, J. D. Johnson,
... of seven genetically distinct genomic groups (e.g., deltoides, deltoides × nigra, trichocarpa × deltoides, trichocarpa × deltoides × maximowizcii, trichocarpa × deltoides × nigra, trichocarpa × nigra, trichocarpa × maximowizcii). During each evaluation ... Populus clones, of parentage trichocarpa × nigra, followed by deltoides × nigra show potential salt and B tolerance as ...
Tópico(s): Bioenergy crop production and management
2010 - Taylor & Francis | International Journal of Phytoremediation
Alfas Pliūra, S. Y. Zhang, Jean Bousquet, John Mackay,
... were analyzed in four poplar hybrid crosses, Populus deltoides ˆP.nigra, P. trichocarpa ˆP.deltoides, P. maximowiczii ˆP.balsamifera, and P. balsamifera ˆP.nigra, as well as P. deltoides.Using X-ray densitometry, measurements were taken on ... été analysées pour quatre hybrides de peuplier : Populus deltoides ˆP.nigra, P. trichocarpa ˆP.deltoides, P. maximowiczii ˆP.balsamifera, and P. balsamifera ˆP.nigra, ainsi que pour P. deltoides.Les mesures ont été effectuées par microdensitométrie à ...
Tópico(s): Tree Root and Stability Studies
2006 - Springer Science+Business Media | Annals of Forest Science
Philippe Teissier, Cyril Lazerges, Olivier Marès, C. Bosch, Michel Chammas,
... Un bilan clinique avec testing analytique musculaire du deltoïde (BMRC), douleurs (EVA) et un bilan fonctionnel ont ... cas, la récupération était cotée M4 sur le deltoïde postérieur, M3 sur le deltoïde moyen, M2 sur le deltoïde antérieur. L'épaule était stable, forte et indolore ( ... une technique de choix pour la réanimation du deltoïde. Nerve transfer of the nerve branch to long ...
Tópico(s): Shoulder and Clavicle Injuries
2012 - Elsevier BV | Chirurgie de la Main
Ramazan Kurt, Hayrettin Meriç, Kağan Aslan, Muhammet Cil,
... I-214 (Populus ×euramericana), I-77/51 (Populus deltoides), and S.307-26 (Populus deltoides), with a phenol formaldehyde (PF) adhesive. Two Populus deltoides clones that are grown in Turkey were used ... In addition, the suitability of 2 new Populus deltoides clones in addition to Populus ×euramericana was determined ... of LVLs were affected by clone types. Populus deltoides clones had better physical, mechanical, and combustion properties ... higher density and fiber length values of Populus deltoides clones. S.307-26 clone had the highest ...
Tópico(s): Tree Root and Stability Studies
2012 - Scientific and Technological Research Council of Turkey (TUBITAK) | TURKISH JOURNAL OF AGRICULTURE AND FORESTRY
Alfas Pliūra, Qibin Yu, S. Y. Zhang, John Mackay, Pierre Périnet, Jean Bousquet,
... 12 clones of three poplar hybrid crosses, Populus deltoides × P. nigra, P. trichocarpa × P. deltoides, and P. maximowiczii × P. balsamifera, as well as P. deltoides. Wood density and longitudinal and radial wood shrinkages ... radial and tangential shrinkages of juvenile wood. P. deltoides had the highest wood density of 363.2 ... to the fast growth of P. trichocarpa × P. deltoides and slow growth of P. deltoides. Among the wood properties measured, only tangential wood ...
Tópico(s): Forest Ecology and Biodiversity Studies
2005 - Oxford University Press | Forest Science
... the long term project on Gmelina arborea, Populus deltoides and Ceiba pentandra based agroforestry systems evaluated for ... and biomass variation was also exhibited by P. deltoides clones, where the total biomass ranged from 48. ... 3 to 9.4 Mg ha -1 , P. deltoides from 22.5 to 30.1 Mg ha - ... increased from 6.8% to 11.9%, P. deltoides from 12.7% to 20.6%, and C. ... 5% to 14.5% under different treatments.P. deltoides showed the greater potential for C sequestration than ... system.Clones 65/27 and D121 of P. deltoides were found outstanding and suggested to adopt under ...
Tópico(s): Forest ecology and management
2014 - | Universal Journal of Agricultural Research
Amy L. Schaefer, Colin R. Lappala, Ryan Morlen, Dale A. Pelletier, Tse-Yuan S. Lu, Patricia K. Lankford, Caroline S. Harwood, E. Peter Greenberg,
... of the fast-growing Eastern cottonwood tree, Populus deltoides . There is a large bank of bacterial isolates from P. deltoides , and there are 44 draft genomes of bacterial ... bacterial communication and plant-bacterial signaling in P. deltoides , we focused on the prevalence of acyl-homoserine ... production and reception in members of the P. deltoides microbiome. We screened 129 bacterial isolates for AHL ... to-cell communication in proteobacteria of the P. deltoides microbiota, and there are also Proteobacteria with LuxR ...
Tópico(s): Microbial Inactivation Methods
2013 - American Society for Microbiology | Applied and Environmental Microbiology
RJ James, Peter G. Fairweather,
Two rapid methods for sampling Donax deltoides that do not involve sieving sand were compared on a sandy ocean beach in Australia. 'Finger-dredging' of saturated sand in box-quadrats recovered almost 100% of D. deltoides and sampled individuals of all sizes (6 to ... method' showed that the mean frequency of D. deltoides hit by running the knife through the sand and the mean density of D. deltoides (determined independently) were significantly correlated, but not strongly ... on abundances. This method adequately sampled only D. deltoides of lengths greater than about 30 mm and ...
Tópico(s): Marine Biology and Ecology Research
1995 - CSIRO Publishing | Marine and Freshwater Research
Jiejie Sun, Wenxing Jiao, Qian Wang, Tongli Wang, Hongqiang Yang, Jiaxin Jin, Huili Feng, Jiahuan Guo, Lei Feng, Xia Xu, Weifeng Wang,
... global warming. As an important IFP species, Populus deltoides is widely used for afforestation worldwide, serving as ... first compiled a global productivity dataset of P. deltoides, and then utilized ecological niche models to explore ... regulate habitat suitability and stand productivity of P. deltoides. When combining with the two selected climate change ... 32% in the global total productivity of P. deltoides from year 2041 to 2080. In addition to ... novel approach for predicting forest productivity of P. deltoides in the context of global change, while providing ...
Tópico(s): Fire effects on ecosystems
2021 - Elsevier BV | Forest Ecology and Management