LieÃ„ÂivÃƒÂ© rastliny v meniacich sa environmentÃƒÂ¡lnych podmienkach

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Vliv abiotických a biotických stresorů na vlastnosti rostlin 11.5.2005 poloměr - sekundární xylém kontrolní sazenice experimentální sazenice (%) 20 18 16 14 12 10 8 6 4 2 0 0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9- (um) 10 10- Obr. 3 Procentické zastoupení hodnot poloměrů sekundárného xylému, vypočtených z plochy lumenů u kontrolních a experimentálních sazenic v intervalech po 1 µm kumulativní teoretická křivka hydraulické vodivostisekundární xylem kontrolní sazenice experimentální sazenice (m 4 Mpa -1 s -1 ) 30000000 25000000 20000000 15000000 10000000 5000000 0 0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10- (um) Obr. 4 Kumulativní hydraulické křivky kontrolních a experimentálních sazenic sekundárního xylému vypočtené dle Hagen-Poiseullovy rovnice v intervalech po 1µm (dle poloměrů). Literatura ALDER NN, SPERRY JS, POCKMAN WT. (1996): Root and stem xylem embolism, stomatal conductance and leaf turgor in Acer grandidentatum populations along a soil moisture gradient. Oecologia 105: 293 –301. BENGOUGH A.G., MULLINS C.E. (1991): Penetrometer resistence, root penetration resistence and root elongation rate in two sandy loam soils. Plant Soil 132:59-66. 105
Vliv abiotických a biotických stresorů na vlastnosti rostlin 11.5.2005 BENGOUGH A.G., MacKenzie C.J. (1994): Simultaneous measurement of root force and elongation rate for seedling pea roots. J Exp Bot 45:95-102. CANADELL J, JACKSON RB, EHLERINGER JR, MOONEY HA, SALA OE, SCHULZE ED.(1996):. Maximum rooting depth of vegetation types at the global scale.Oecologia 108: 583 –595. CLARK L.J., BARRACLOUGH P.B. (1999): Do dicotyledons generate greater maximum axial root growth pressures than monocotyledons? J Exp Bot 50:1263-1226. COCHRAN, P.H., T. BROCK. (1985):. Soil compaction and initial height growth of planted ponderosa pine. USDA-For. Serv. Res. Note PNW-434. CROSER C., BENGOUGH A.G., PRITCHARD J. (1999): The effect of mechanical impedance on root growth in pea (Pisum sativum). I. Rates of cell flux, mitosis, and strain during recovery. Physiol Plant 107:277-286. CROSER C., BENGOUGH A.G., PRITCHARD J. (2000): The effect of mechanical impedance on root growth in pea (Pisum sativum). II. Cell expansion and wall rheology during recovery. Physiol Plant 109:150-159. DAVIS SD, SPERRY JS, HACKE UG. (1999): The relationship between xylem conduit diameter and cavitation caused by freezing. American Journal of Botany 86: 1367–1372. EAVIS B.W. (1967): Mechanical impedance to root growth. Agric Eng Symp Silsoe Paper 4/F/39:1-11. FROEHLICH, H.A. (1976): The effect of soil compaction by logging on forest productivity, part 1. USDI Bureau of Land Management. Final Report, Contract No. 53500-CT4-5(N). GEBAUER R., MARTINKOVÁ M. (2003): Vliv tlaku půdy na histologickou stavbu kořene smrku ztepilého (Picea abies [L.] Karsten), Sborník ze semináře: Vliv abiotických a biotických stresorů na vlastnosti rostlin 8.10. 2003. ČZU v Praze. p. 69-75. ISBN 80-86555-27-5 GEBAUER R., MARTINKOVÁ M. (2004): Vliv tlaku na kořenové systémy sazenic smrku ztepilého (Picea abies /L/ Karsten) II. Sborník příspěvků ze semináře Vliv biotických a biotických stresorů na vlastnosti rostlin 15.9.2004. Praha, p. 49-56, ISBN 80-213-1182-7 GOSS M.J. (1977): Effects of mechanical impedance on root growth in barely (Hordeum Bulhare L.) J Exp Bot 28:96-111. GREACEN, E.L., SANDSEM R. (1980):. Compaction of Forest Soils: A Review. Aust. J. Soil Res. 18:163-189. HACKE U.G., SPERRY J.S. (2001): Functional and ecological xylem anatomy. Plant Ekology, Evolution and Systematics. Vol. 4/2, pp.97-115. HALVERSON, H.G., ZISA R.P. (1982): Measuring the response of conifer seedlings to soil compaction stress. USDA For. Serv. Res. Pap. NE-509. HATCH A.B, DOAK.D. (1933): Mycorrhizal and other features of the root systéme of pine. J Arnold Argot 14:85-99. HENINGER, R., W. SCOTT, A. DOBKOWSKI, R. MILLER, H. ANDERSON, S. DUKE.(2002): Soil disturbance and 10-year growth response of coast Douglas-fir on nontilled and tilled skid roads in the Oregon Cascades. Can. J. For. Res. 32:233-246. KOZLOWSKI, T.T. (1999): Soil compaction and growth of woody plants. Scand. J. For. Res. 14:596-619. KRAMER P.J., BOYER J.S.(1995): Water relations of plants and soils. Academic Press, London. MARTINKOVÁ M., GEBAUER R. (2005): Histologie a morfologie kořenů. In. Neruda J. (ed.): Metody pro zlepšení determinace poškození kořenů stromů ve smrkových porostech vyvážecími traktory. I. Výběr a ověření metod. Monografie. Brno, leden 2005. p. 7-10. ISBN 80-7157-831-2 106
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