Jaroslav Pazourek

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Stomatal frequency in leaves of plants of Iris hollandica, cultivated under four light intensities, about 12%, 37%, 75% and 100% of natural daylight, was studied. The stomatal frequency decreases with lower light intensities. The gradients of stomatal frequency of successive leaves show an increase up to the third or fourth leaf with a subsequent decrease(More)
A number of markers characterizing the quantitative anatomical structure of the blade of the first and the third leaf were measured in young plants of eight cultivars of spring barley,Hordeum vulgare L. The number of vascular bundles was in significant negative correlation with the mean distance between two adjoining bundles (r = -0.8) and also with their(More)
Various quantitative anatomical characteristics were measured in the potato tuber by the using of integration methods. There were found the gradients showing the dependence of the changes on the distance from the surface of the tuber. Byly sledovány různé kvantitativní anatomické charakteristiky v bramborové hlíze pomocí integračních metod. Byly nalezeny(More)