253 records matched your search. Click on a citation below to retrieve a pdf of the paper.

Pascual, M.B.; Jing, Z.P.; Kirby, E.G.; Cánovas, F.M.; Gallardo, F. 2008. Response of transgenic poplar overexpressing cytosolic glutamine synthetase to phosphinothricin. Phytochemistry. 69: 382-389.

Pliura, A.; Zhang, S.Y.; MacKay, J.; Bousquet, J. 2007. Genotypic variation in wood density and growth traits of poplar hybrids at four clonal trials. Forest Ecology and Management. 238: 92-106.

Raffa, K.F. 1989. Genetic engineering of trees to enhance resistance to insects. Bioscience. 39: 524-534.

Rajora, O.P. 1989. Characterization of 43 Populus nigra L. clones representing selections, cultivars and botanical varieties based on their multilocus allozyme genotypes. Euphytica. 43: 197-206.

Rajora, O.P. 1989. Genetic structure and identification of Populus deltoides clones based on allozymes. Genome. 32: 440-448.

Rajora, O.P. 1989. Identification of some Populus deltoids Marsh. × P. nigra L. clones, developed in North America, with the aid of allozymes. Euphytica. 43: 207-213.

Rajora, O.P. 1989. Pollen competition among Populus deltoides Marsh., P. nigra L. and P. maximowiczii Henry in fertilizing P. deltoides ovules and siring its crop. Sexual Plant Reproduction. 2: 90-96.

Rajora, O.P. 1990. Genetics of allozymes in Populus deltoides Marsh.; P. nigra L.; and P. maximowiczii Henry. Journal of Heredity. 81: 301-308.

Rajora, O.P.; Barrett, J.W.; Dancik, B.P.; Strobeck, C. 1992. Maternal transmission of mitochondrial DNA in interspecific hybrids of Populus. Current Genetics. 22: 141-145.

Rajora, O.P.; Dancik, B.P. 1992. Allozyme variation and inheritance in leaves of Populus deltoides, P. nigra, P. maximowiczii and P. × canadensis in comparison to those in root tips. Silvae Genetica. 41: 289-292.

Rajora, O.P.; Dancik, B.P. 1992. Chloroplast DNA inheritance in Populus. Theoretical and Applied Genetics. 84: 280-285.

Rajora, O.P.; Dancik, B.P. 1992. Genetic characterization and relationships of Populus alba, P. tremula and P. × canescens, and their clones. Theoretical and Applied Genetics. 84: 291-298.

Rajora, O.P.; Rahman, M.H. 2003. Microsatellite DNA and RAPD fingerprinting, identification and genetic relationships of hybrid poplar (Populus × canadensis) cultivars. Theoretical and Applied Genetics. 106: 470-477.

Rajora, O.P.; Zsuffa, L. 1990. Allozyme divergence and evolutionary relationships among Populus deltoides, P. nigra, and P. maximowiczii. Genome. 33: 44-49.

Rajora, O.P.; Zsuffa, L.; Dancik, B.P. 1991. Allozyme and leaf morphological variation of eastern cottonwood at the northern limits of its range in Ontario. Forest Science. 37: 688-702.

Rajora, O.P.; Zsuffa, L.; Yeh, F.C. 1994. Variation, inheritance and correlations of growth characters and Melampsora leaf rust resistance in full-sib families of Populus. Silvae Genetica. 43: 219-226.

Ralph, S.; Oddy, C.; Cooper, D.; Yueh,H.; Jancsik, S.; et al. 2006. Genomics of hybrid poplar (Populus trichocarpa × deltoides) interacting with forest tent caterpillars (Malacosoma disstria): normalized and full-length cDNA libraries, expressed sequence tags, and a cDNA microarray for the study of insect-induced defences in poplar. Molecular Ecology. 15: 1275-1297.

Ranjan, P.; Yin, T.; Zhang, X.; Kalluri, U.C.; Yang, X.; et al. 2010. Bioinformatics-based identification of candidate genes from QTLs associated with cell wall traits in Populus. Bioenergy Research. 3: 172-182.

Riemenschneider, D.E.; Berguson, W.E.; Dickmann, D.I.; Hall, R.B.; Isebrands, J.G.; et al. 2001. Poplar breeding and testing strategies in the north-central US: demonstration of potential yield and consideration of future research needs. The Forestry Chronicle. 77: 245-253.

Riemenschneider, D.E.; McMahon, B.G.; Ostry, M.E. 1992. Use of selection indices to increase tree height and to control damaging agents in 2-year-old balsam poplar. Canadian Journal of Forest Research. 22: 561-567.

Riemenschneider, D.E.; McMahon, B.G.; Ostry, M.E. 1994. Population-dependent selection strategies needed for 2-year-old black cottonwood clones. Canadian Journeal of Forest Research. 24: 1704-1710.

Riemenschnieder, D.E.; McMahon, B.G. 1993. Genetic variation among lake states balsam poplar populations is associated with geographic origin. Forest Science 39: 130-136.

Robison, D.J.; McCown, B.H.; Raffa, K.F. 1994. Responses of gypsy moth (Lepidoptera: Lymantriidae) and forest tent caterpillar (Lepidoptera: Lasiocampidae) to transgenic poplar, Populus spp., containing a Bacillus thuringiensis d-endotoxin gene. Environmental Entomology. 23: 1030-1041.

Robison, D.J.; Raffa, K.F. 1997. Effects of constitutive and inducible traits of hybrid poplars on forest tent caterpillar feeding and population ecology. Forest Science. 43: 252-267.

Rogers, D.L.; Stettler, R.F.; Heilman, P.E. 1989. Genetic variation and productivity of Populus trichocarpa and its hybrids. III. Structure and pattern of variation in a 3-year field test. Canadian Journal of Forest Research. 19: 372-377.

Rood, S.B.; Hillman, C.; Sanche, T.; Mahoney, J.M. 1994. Clonal reproduction of riparian cottonwoods in southern Alberta. Canadian Journal of Botany. 72: 1766-1774.

Rottmann, W.H.; Meilan, R.; Sheppard, L.A.; Brunner, A.M.; Skinner, J.S.; et al. 2000. Diverse effects of overexpression of LEAFY and PTLF, a poplar (Populus) homolog of LEAFY/FLORICAULA, in transgenic poplar and Arabidopsis. The Plant Journal. 2213: 235-245.

Schnekenburger, F.; Farmer, R.E. Jr. 1989. Genetic variance in growth of balsam poplar under 16- and 8-hour photosynthetic periods. Forest Science. 35: 903-919.

Schreiber, S.G.; Hacke, U.G.; Hamann, A.; Thomas, B.R. 2011. Genetic variation of hydraulic and wood anatomical traits in hybrid poplar and trembling aspen. New Phytologist. 190: 150-160.

Sheppard, L.A.; Brunner, A.M.; Krutovskii, K.V.; Rottmann, W.H.; Skinner, J.S.; et al. 2000. A DEFICIENS homolog from the dioecious tree black cottonwood is expressed in female and male floral meristems of the two-whorled, unisexual flowers. Plant Physiology. 124: 627-639.

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