Stomatal and cuticular transpiration of beans (Phaseolus vulgaris M.) attacked by rust (Uromyces appendiculatus
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Authors: | Cesare Sempio Ondrej Majerník Vittorio Raggi |
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Institution: | 1. Istituto di Patologia Vegetale di Universitá Perugia, Perugia, Italy 2. Institut of Natural History Teachers Training College Nitra, Rooseveltova 3, Nitra
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Abstract: | The changes of stomatal and cuticular transpiration of bean plants were investigated by graphical transpiration curves method (Slavík 1958). Bean leaves were infected by fungusUromyces appendiculatus (Pers.) Link. After the infection the intensity of stomatal transpiration had a decreasing tendency. Beginning with the sixth day after infection, the proportion of stomatal and cuticular transpirations becomes more expressive, i.e. the leaves transpire more by cuticles than by stomata. The higher share of cuticular transpiration brings extensive water relations to the diseased plants. |
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