Results 31 to 40 of about 4,801 (213)

Fine root dynamics in a developing Populus deltoides plantation [PDF]

Tree Physiology, 2004
A closely spaced (1 x 1 m) cottonwood (Populus deltoides Bartr.) plantation was established to evaluate the effects of nutrient availability on fine root dynamics. Slow-release fertilizer (17:6:12 N,P,K plus micronutrients) was applied to 225-m(2) plots at 0, 50, 100 and 200 kg N ha(-1), and plots were monitored for two growing seasons.
Kern, Christel C., Friend, Alexander L., Johnson, Jane M., Coleman, Mark D.   +3 more
openaire   +3 more sources

Asymmetrical natural hybridization between Populus deltoides and P. balsamifera (Salicaceae) [PDF]

, 2007
Natural hybridization has long been recognized as a means for gene flow between species and has important evolutionary consequences. Although hybridization is generally considered to be symmetrical, with both hybridizing species being equally likely to ...
Périnet, Pierre, Sawchyn, Christina, Dayanandan, Selvadurai, Hamzeh, Mona   +3 more
core   +1 more source

The Populus holobiont: dissecting the effects of plant niches and genotype on the microbiome

Microbiome, 2018
Background Microorganisms serve important functions within numerous eukaryotic host organisms. An understanding of the variation in the plant niche-level microbiome, from rhizosphere soils to plant canopies, is imperative to gain a better understanding ...
M. A. Cregger, A. M. Veach, Z. K. Yang, M. J. Crouch, R. Vilgalys, G. A. Tuskan, C. W. Schadt   +6 more
doaj   +1 more source

Transcriptional profiles of the annual growth cycle in Populus deltoides [PDF]

Tree Physiology, 2008
Cycling between vegetative growth and dormancy is an important adaptive mechanism in temperate woody plants. To gain insights into the underlying molecular mechanisms, we carried out global transcription analyses on stem samples from poplar (Populus deltoides Bartr. ex Marsh.) trees grown in the field and in controlled environments.
Sunchung, Park, Daniel E, Keathley, Kyung-Hwan, Han   +2 more
openaire   +2 more sources

The physiological, transcriptional and genetic responses of an ozone-sensitive and an ozone tolerant poplar and selected extremes of their F2 progeny [PDF]

, 2011
Relatively little is known about the transcriptional response or genetic control of response and adaptation of trees to tropospheric ozone exposure.
Tallis, M.J., Mikael, Brosche, Broadmeadow, M., Nathaniel Robert Street, Brosche, M., Tallis Matthew James, Taylor, G., Kangasjarvi, J., Broadmeadow Mark, Tallis, Matthew, Broadmeadow, Mark, Street, N., Tucker, J., Jaakko, Kangasjarvi, Tucker James, Gail Taylor, Kangasjärvi Jaakko, Brosché Mikael, Street, Nathaniel R., Taylor, Gail, Tucker, James   +20 more
core   +1 more source

Toward improved drought tolerance in bioenergy crops: QTL for carbon isotope composition and stomatal conductance in Populus

, 2013
Dedicated non-food bioenergy crops like poplar are needed as sustainable, low-input feedstocks for renewable energy in a future drier climate, where they can be grown on marginal soils. Such plants should have a low water, carbon, and chemical footprint.
Morison, James I.L., Anne M. Rae, Maud Viger, Rodriguez‐Acosta, Maricela, Rae, Anne M., Maricela Rodriguez-Acosta, Gail Taylor, James I. L. Morison, Viger, Maud, Taylor, Gail   +9 more
core   +1 more source

Newly identified helper bacteria stimulate ectomycorrhizal formation in Populus

Frontiers in Plant Science, 2014
Mycorrhiza helper bacteria (MHB) are known to increase host root colonization by mycorrhizal fungi but the molecular mechanisms and potential tripartite interactions are poorly understood.
Jessy L Labbé, David J Weston, Nora eDunkirk, Dale A Pelletier, Gerald A Tuskan   +4 more
doaj   +1 more source

Populus deltoides females are more selective in nitrogen assimilation than males under different nitrogen forms supply

, 2015
Female cuttings of Populus deltoides were sensitive to inorganic nitrogen forms and biased for NO (3) (-) -N, whereas males exhibited no obvious preference for nitrogen form in nitrogen fertilizations.
Zhao, HX (reprint author), Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China., Li, Junyu, Guo, Qingxue, Zhao, Hongxia, Dong, Tingfa   +4 more
core   +1 more source

Natural hybridization between Populus nigra L. and P. x canadensis Moench. Hybrid offspring competes for niches along the Rhine river in the Netherlands

, 2008
Black poplar (Populus nigra L.) is a major species for European riparian forests but its abundance has decreased over the decades due to human influences.
Beringen, R., Vanden Broeck, A., van der Schoot, J., Schoot, J., van der, Smulders, M.J.M., Volosyanchuk, R., Arens, P.F.P., Vosman, B.   +7 more
core   +1 more source

Plastome Sequences Help to Resolve Deep-Level Relationships of Populus in the Family Salicaceae

Frontiers in Plant Science, 2019
Populus, a core genus of Salicaceae, plays a significant ecological role as a source of pioneer species in boreal forests. However, interspecific hybridization and high levels of morphological variation among poplars have resulted in great difficulty in ...
Dan Zong, Dan Zong, Peihua Gan, Peihua Gan, Anpei Zhou, Anpei Zhou, Yao Zhang, Yao Zhang, Xinlian Zou, Xinlian Zou, Anan Duan, Anan Duan, Anan Duan, Yu Song, Yu Song, Chengzhong He, Chengzhong He, Chengzhong He   +17 more
doaj   +1 more source