G. Fekete szerk.: Studia Botanica Hungarica 9. 1974 (Budapest, 1974)

Szujkóné Lacza, Júlia: Tendenciák vagy szignifikáns differenciák érvényesülnek a Zalensky-szabályban? (Kvantitatív anatómiai vizsgálatok a Pimpinella anisum L. levelein)

ranchyme only in one year. Results imply that changes in stoma numbers on the under­side of the leaves and in the thickness of the palisade parenchyme per leaf level are affected more by genetical, while those concerning the other three anatomical charac­teristics rather by ecological, factors. ERODÁLOM - REFERENCES ASHBY, E. (1948): Studies in the morphogenesis of leaves. II The area, cell size and cell number of leaves of Ipomoea in relation to their position on the shoot. - New Phytol., 47:177-195. CUTTER, E.G. (1969): Plant anatomy. Experiment and interpretation. - Parti. Lon­don, pp. 168. ESAU, K. (1969): Pflanzenantomie . - Jena, pp. 594 FARKAS, G. L. - RAJHÁTHY T. (1955): Untersuchungen über die xeromorphischen Gradienten einiger Kulturpflanzen. - Planta, 45:535-548. FEKETE, G. - SZUJKÓ-LACZA, J. (1973): Leaf anatomical and photosynthetical re­actions of Quercus pubescens Willd. to environmental factors in various ecosys­tems I. Leaf anatomical reactions. - Acta. Bot. Acad. Sei. Hung., 18:59-89. FERNANDEZ, O. A. - MIJICA , B. (1973): Effects of some environmental factors on the differentiation of stomata in Spirodela intermedia W. Koch. - Bot. Gaz., 134:117-121. FRETZ. T. A. - DUNHAM, G. W. (1972): Influence of 3 levels of light intensity on leaf structure, area and color difference in American Holly, Ilex opaca Ait . cv. Miss Helen. - Phyton, 30:135-139. FREY - WYSSLING, A. (1935): Die Stoffausscheidung der höheren Pflanzen. - Monogr. Gesamtgeb. Physiol. Pflanzen und Tieren. 32. Berlin. GINDEL, I. (1968): Dynamic modification growing in subtropical conditions. - Physiol. Plant., 21:1287-1295. GUNNING, B. E. S. - PATE, J. S. (1969): "Transfer cells." Plant cells with wall ingrowths, specialized in relation to short distance transport of solutes - their occurrence, structure, and development. - Protoplasma, 68:107-133. HE SLOP-HARRISON, J. (1966): Reflections on the role of environmentally-governed reproductive versatility in the adaptation of plant populations. - Transactions Bot. Soc. Edinburg. Session, 129:158-168. KNECHT, G. N. - O'LEARLY, J. W. (1972): The effect of light intensity on stomata number and density of Phaseolus vulgaris L. leaves. - Bot. Gaz., 133:132-134. MOOENEY, H. A. - KUMMEROW, J. (1971): The comparative water economy of re­presentative evergreensclerophyU and drought deciduous shrubs of Chile. - Bot. Gaz., 132:245-252. MAXIMOV, N.A. (1931): The physiological significance of the xeromorphic structure of plants. -JournEcol., 19:273-282. PLYMALE, E. L. - WYLIE, R. B. (1944): The major veins of mesomorphic leaves. ­Amer. J. Bot., 31:99-106. SALISBURY, E.J. (1927): On the causes and ecological significance of stomatal fre­quency, with special reference to the woodland flora. - Phil. Trans. Roy. Soc, London, B, 215:1-65.

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