Some Effects of Uromyces Phaseoli on the Stomatal Response and Water Relations of Bean

9th day allowed alterations appears average stomatal aperture bars bean became cause closed CO2-free air cycle dark day after inoculation decrease demonstrated determined diseased leaf discs diseased leaves diseased plants effect excised experiments Figure fleck gravimetrically growth healthy and diseased healthy leaves healthy plants host humidity impressions increase in transpiration increased transpiration indicated infection density inhibition intact leaf chamber less light limitations measured mildew movement nearly night night periods observed obtained occurs osmotic potential pathogen periods phaseoli porosity portions pressure primary leaves pustules pustules/cm² rate of water rates of healthy reduction relations replicates reported resistance root rusted leaves showed shown significant significantly different solution sporulation stages stems stomatal opening stomatal response surface Table tion tissues transpiration rates treatment trifoliate turgor variation vermiculite water loss water potential water stress water vapor loss weight wilted