Báo cáo lâm nghiệp: "Walnut somatic embryogenesis: physiological and histological aspects" ppsx

... Walnut somatic embryogenesis: physiological and histological aspects D. Cornu Amdlioration des Arbres Forestiers, INRA Ardon, 45160 Olivet, France Introduction Somatic embryogenesis ... deter- mine the developmental and physiological stages able to give rise to somatic embryogenesis; and, 2) to control histo- logically the true nature of somatic...

Ngày tải lên: 09/08/2014, 04:20

... and ethanolic fermentation in the roots of two wetland and non-wetland species after commencement of hypoxia, Physiol. Plant. 104 (1998) 81–86. [4] Albrecht G., Mustroph A., Fox T.C., Sugar and ... to water-logging and associated root hypoxia: effects on water rela- tions and photosynthesis, Ann. Sci. For. 51 (1994) 417–429. [23] Dreyer E., Colin-Belgrand M., Biron P., Photosynthesis...

Ngày tải lên: 07/08/2014, 16:20

... zone, and rep- resenting the association Carici-Fagetum abietetosum (sample plots Facimiech and Walusiówka) and the community of a transitory character between Dentario glandulosae-Fagetum and ... of aging and regeneration, and the smallest one stand of Gródek (5.3 m 3 /ha/year, i.e. 0.9% of actual stand volume) being in the growing up stage, phase of selection forest. e stand...

Ngày tải lên: 07/08/2014, 03:22

... interflow and overland flow). e direct flow Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed V. Č, F. Š, D. K Forestry and Game ... (base flow, subsurface flow and overland flow, in other words slow, accelerated and rapid flows). Comparing the amount of slow and rapid runoff constituents (89.5–99.4% and 0.6–10.5%...

Ngày tải lên: 07/08/2014, 03:22

... growth and physiological quality of generatively propagated plants, which is consistent with data reported by K (2003), who also compared the growth and health status of vegetatively and ... 2005). Different dynamics of physiological processes is described in rooted cuttings compared to seedlings, e.g. later onset and lower intensity of dormancy and cold hardiness and...

Ngày tải lên: 07/08/2014, 03:22

... the spruce and beech stands in the period of snow melting (10. 4. to 28. 4. 2006). Paired t-test at the level of significance 0.05 Stand Mean Standard deviation of sample Difference Standard deviation ... Deštné in the spruce and beech stands and in the open area in the winter period 2006/2007 Date of measurements Precipitation (mm) Type of precipitation Spruce stand Beech stand Open...

Ngày tải lên: 07/08/2014, 04:20

... growth and nu- trient uptake in chickpea. Journal of Mycology and Plant Pathology, 32: 11–15. LEOPOLD J., HOFNER W., 1991. Improvement of clover yield and quality by inoculation with VAM fungi and ... nodulation, yield and nitrogen fixation in chickpea (Cicer aritinum L.). Plant and Soil, 95: 351–359. REENA J., BAGYARAJ D.J., 1990. Response of Acacia nilotica and Calliandra ca...

Ngày tải lên: 07/08/2014, 04:20

... environment, on the other hand it is an opportunity to introduce a broadleaved admixture there and thus to diversify the coniferous stands in terms of composition and structure. Some more sensitive ... particles between 0.06 and 0.1mm, 6.3% of particles between 0.1 and 0.6 mm and 1.6% of parti- cles larger than 0.6 mm in diameter. Tree heights were measured to the nearest 1 cm...

Ngày tải lên: 07/08/2014, 04:20

... QD0173, and No. MZE 0002070203. Effect of gibberellic acid and ethephon on the germination of European beech dormant and chilled beechnuts P. K, L. B, Z. P Forestry and ... Republic ABSTRACT: The effect of ethephon (80, 100 and 120 mg·l –1 ) and gibberellic acid (GA 3 ) (40, 300 and 1,000 mg·l –1 ) on the germination capacity (GC) and mean germinat...

Ngày tải lên: 07/08/2014, 10:21

... acid derivatives, p-coumaric and ferulic acids and of five benzoic acid derivatives (anisic, p-hydroxybenzoic, vanillic and syringic acids) in the Norway spruce cells, and there were no qualitative ... pathosystem to investigate local and systemic effects of fungal infection of pines. Physiological and Molecular Plant Pathology, 63: 249–261. B M.M. (1976): A rapid and...

Ngày tải lên: 07/08/2014, 10:21