Ploider effects on the photosynthetic rates of leaves and mesophyll protoplasts of Citrullus vulgaris.
1990
Watanabe N. | Kawajiri T.
The objective of this study was to assess the ploidar effects on the photosynthetic rates of leaves and mesophyll protoplasts of Citrullus vulgaris. Cultivar Asahi Yamato-diploid had higher leaf photosynthetic rates than those for Asahi Yamato-triploid and Asahi Yamato-tetraploid. Protoplast diameter, protoplast surface area and chlorophyll content per protoplast were increased with ploidar level. These results are broadly in agreement with those from other studies on intact leaves and suggest that the effects of polyploidy on depressing photosynthesis in intact leaves are not entirely mediated by alteration gaseous CO2 diffusion.
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