Abstract
The absence of nitrogen or phosphorus in the nutrient medium affected quantitative anatomical characteristics of the first two leaves of spring barley: nitrogen deficiency brought about changes in both the leaf size and characteristics of stomata, whereas the effect of phosphorus absence was insignificant. N deficiency had an opposite effect on certain characteristics connected with volume ratios of tissues than that of P. The most marked finding is the decrease in the leaf volume and specific volume, and in specific volumes of most tissues at N deficiency and their increase at P deficiency. On the other hand, the number of stomata per unit leaf or photosynthetic tissue volume increased as the result of N deficiency and decreased at P deficiency.
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Pazourek, J., Nátr, L. Changes in the anatomical structure of the first two leaves of barley caused by the absence of nitrogen or phosphorus in the nutrient medium. Biol Plant 23, 296–301 (1981). https://doi.org/10.1007/BF02895371
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DOI: https://doi.org/10.1007/BF02895371