Báo cáo lâm nghiệp: "In vitro propagation of Prosopis P cineraria and P juliflora) species" potx

... 16, 191- 200 In vitro propagation of Prosopis species (P. chilensis, P. cineraria and P. juliflora) C.A. Batchelor D. Yao, M.J. Koehler P. J.C. Harris Department of Biological Sciences, ... seed, vegetative propagation of selected Proso- pis plants from variable populations and from natural hybrids may also be desir- able. Propagation by cutt...

Ngày tải lên: 09/08/2014, 04:20

... micropropagated plantlets appeared morphologically similar to the mother plant. No variation was detected among the micropropagated plants by the use of Randomly Amplified Polymorphic DNA (RAPD) markers. ... marqueurs RAPD 1. INTRODUCTION Micropropagation of tree species offers a rapid means of producing clonal planting stock for afforestation, woody bio- mass production and conservat...

Ngày tải lên: 08/08/2014, 01:21

... and large stem trees P. pinea were sampled. The increment cores were air dried, mounted on wooden supports and sanded with progres- sively finer grades of sandpaper to produce a flat, polished surface on ... Jimenez-Ortiz T., Lledó M.J., Escarré A., Piñol J., Hydraulic properties of Pinus halepensis, Pinus pinea and Tetraclinis articulata in a dune ecosystem of Eastern Spain, Plant...

Ngày tải lên: 07/08/2014, 16:20

... be propagated to confirm their superiority and then be distributed afterwards as selected clones. In vitro micropropagation is applied because of the poor development of cuttings. Materials ... In vitro propagation of interspecific hybrids in Alnus H. Sbay, J. Guillot, P. Danthu D. Prat Laboratoire de Genetique des Populations d i4rbres Forestiers,...

Ngày tải lên: 09/08/2014, 02:21

... directions: 1) studies of changes in the content of endogenous polyamines - putrescine, spermidine and spermine - during break- ing of dormancy, and their possible inter- action ... polyamine level during dor- mancy breaking of A. platanoides seeds present different phases; 2) the maxima of the polyamine level precedes the maxima of EF-1 acti...

Ngày tải lên: 09/08/2014, 04:20

... following figures cor- respond to a typical day for each species. Each symbol represents a leaf on different plants in the field for maize and potato, and of 2 trees in a hedge ... & Slatyer R.O. (1965) Effect of atmospheric concentration of water vapor and C0 2 in determining transpiration photosynthe- sis relationship of cotton leave...

Ngày tải lên: 09/08/2014, 04:20

... Method of micropropagation and in vitro rooting of teak 77 Figure 4. Effect of different IBA concentrations (mg L −1 ) and the presence (+) or absence (–) of putrescine (160 mg L −1 ) on number of ... Gupta R .P. , Pandher M.S., In vitro propagation of teak, India. J. Res. 28 (1991) 507−510. [12] Goswami H., Keng C.L., Teo C.K.H., In vitro shoot multiplication of Tecto...

Ngày tải lên: 07/08/2014, 16:20

... Stan, problemy, perspektywy roz- wojowe. Sesja Naukowa Polskiego Towarzystwa Leśnego, Ustroń-Jaszowiec: 77–91. JACHYM M., 2002. Location, evolution and importance of Cephalcia spp. (Hym.: Pamphiliidae) ... duration and intensity of impact. ese factors can be of specific nature, related to the specific properties of stands or the site condi- tions, or of more general one, arisi...

Ngày tải lên: 07/08/2014, 03:22

... 12°58'30''E 50°23'32''N, 12°58'42''E 12°31'E, 49°58'N 12°31'E, 49°57'N 12°39'E, 50°06'N 12° 40'E, 50°06'N 49°39'N, ... latitude 48°46'N, 13°49'E 49°10'N, 13°11'E 50°44'N, 15°35'E 50°45'N, 15°35'E 49°42'N, 13°52'E 49°41'N, 13°51'E 50°23'39&a...

Ngày tải lên: 07/08/2014, 03:22

... species of the spruce web-spinning sawfly Cephalcia fal- lenii (Hymenoptera, Pamphiliidae) in Europe. Systematic Entomology, 23: 99–108. BENEŠ K., 1976. Revision of the European species of ... state of knowledge about the occur- rence of individual species of the genus Cephalcia in Norway spruces stands of the Beskidy Mts., lo- cated in the Carpathians (southern Poland). MATE...

Ngày tải lên: 07/08/2014, 03:22