Báo cáo lâm nghiệp: " An for attempt at generating haploid lines of Poplar species genetic manipulation and breeding program" pptx

... An attempt at generating haploid lines of Poplar species for genetic manipulation and breeding programs K.E. Wolter B.H. McCown Department of Horticulture, University of ... procedures for poplar organogenesis and regeneration (Wolter, 1968; Russel and McCown, 1988); 5) transcription of desirable genes into poplar and increased r...

Ngày tải lên: 09/08/2014, 04:20

... P.K., Dandekar A.M. & Durzan D.J. (1988) Somatic proembryo formation and tran- sient expression of a luciferase gene in Douglas fir and loblolly pine protoplasts. Plant ... conditions for physicochemical measurements, improved methods for image analysis (e.g., Serra, 1982) and a better understanding of how abscisic acid and other plant g...

Ngày tải lên: 09/08/2014, 04:20

... 1995. Enumeration of the Lichens of Nepal His Majestic Government of Nepal and Government of Netherlands. Kathmandu. Department of Plant Resources (1995) Medicinal Plants of Nepal for Aurvedic ... Nepal: Aspects of the Trade in Medicinal and Aromatic Plants. FORSEC Monograph 1/96.Forest Research Service Centre, Ministry of Forests and Soil Conservation, Babar- ma...

Ngày tải lên: 07/08/2014, 10:21

... Capuana and Giannini [4], Gonzalez et al. [7] and Sul and Korban [18] which showed low levels (35, 15 and 15%, respectively). Because an additional 20 wk were required for shoot elon- gation and ... cytokinins for 35 d and then transferred to 1 / 2 LPC. Data were taken after 60 days of culture. Percentages have been transformed us- ing arcsin transformation for statistic...

Ngày tải lên: 07/08/2014, 16:20

... category. All transformations pose the challenge of deciding on an acceptable loss of information and interpretation of the results. Our approach provides a transpar- ent and intuitive method of dimension ... model for group-specific power spectra provides an estimate of group-specific model parameters and their asymptotic gaussian variances and covariances suitable f...

Ngày tải lên: 08/08/2014, 01:22

... the mean volume of Scots pine stands growing at unsuitable sites and oak stands growing at appropriate sites follow different pathways. – e increment rate of the mean value of pine stands ... W 2 1 Department of Forest Management, Poznan University of Life Sciences, Poznań, Poland 2 Department of Game Management and Forest Protection, Poznan University of Li...

Ngày tải lên: 07/08/2014, 03:22

... functional significance of leaf morphology and anatomy. Annals of Botany, 71: 61–70. G G., G M., G A., P H. (1995): Patterns and current changes in alpine plant diversity. ... climatic changes much more sensitively. Projected leaf area, length, and width of needles and leaf mass per area Temperature and water availability have major ef- fects on plan...

Ngày tải lên: 07/08/2014, 10:21

... ± SD for stands with (Pq+) and without (Pq–) P. quercina. For stand 1 and 2, leaf concentrations of P are missing. For stand 9, concentration of P in the mineral soil is missing. Block Stand Presence ... online: www.edpsciences.org/forest Impact of P. quercina on mature oaks 669 Table V. Concentration of P in leaves and soil of each stand (mean for healthy, moderately...

Ngày tải lên: 07/08/2014, 16:20

... (A net ) and stomatal conductance to wa- ter vapor (g s ) of well watered () and water-stressed (•) glasshouse American chestnut seedlings and control () and drought stressed () field planted ... consisted of a total of 20 randomly selected plants, chosen for repeated sampling of gas exchange, light absorp- tion, height, leaf number, stem caliper, and canopy width. Of...

Ngày tải lên: 07/08/2014, 16:20

... Classification of landtype: 1 = coastal bush; 2 = grassland; 3 = bushveld 20 Agric Classification of land use before plantation establishment: 0 = natural vegetation; 1 = agricultural land 21 Ro_no ... invasive plant abundance in the Quinebaug Highlands of Southern New England, Northeastern-Naturalist 11 (2004) 313–332. [20] Masson P., Forest weed associations and their relation to land...

Ngày tải lên: 07/08/2014, 16:21