The Behavior of Stomata |
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11 NOON 24-hour day 80 per cent a. m. the stomata alfalfa stomata atmometer August 25 barley caused cent open changes cow-beet curve cut stems day closure decrease difference effect Encelia farinosa evaporation experiments factors field plants following hour greenhouse guard-cells heavily watered Hence increased June June 20 leaf leaf-water light intensity LOFTFIELD low water-content lower epiderm lower stomata lower surface maximum opening mid-day closure midnight minute movement in lower movement in upper night opening open stomata p. m. the lower PLATE plot Portulaca oleracea potometers potted plants rate of transpiration rate of water-loss reached relative humidity remained closed Series 16 Series 32 showing movement showing stomatal movement soil starch index stomata closed stomata of alfalfa stomata of potato stomata opened stomata remained stomata were closed stomatal apertures strip sugar-beet sunlight temperature turgor upper and lower upper stomata weather data wide open wilting