| he effects of carbon dioxide on stomatal density, stomatal index, stomatal size, and epidermal cell density were examined in seven genera (Sinapis alba L., Medicago sativa L., Celosia cristata L. 'plumosus', Dianthus caryophyllus L., Cucumis sativus L., Beta vulgaris L. var. cicla L., and Raphanus sativus L.) using scanning electron microscopy. In the case of Sinapis only, stem diameter, and the length and width of cortical parenchyma cells were examined using light microscopy. Plants were grown in growth chambers maintained at 20C and at one of three levels of carbon dioxide (350, 700, and 1400... |
