AERENCHYMA DEVELOPMENT IN WATERLOGGED PLANTS |
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| Authors: | Makoto Kawase Robert E. Whitmoyer |
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| Affiliation: | Department of Horticulture and Electron Microscopy Laboratory, Ohio Agricultural Research and Development Center, Wooster, Ohio, 44691 |
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| Abstract: | Aerenchyma development in waterlogged Helianthus annuus, Lycopersicon esculentum, and Salix fragilis was studied. More than half of the root cortical tissue sometimes became an air cavity in willow roots which developed in water. There was no cortical aerenchyma in the terminal portion, but more advanced aerenchyma developed towards the base of the sunflower roots formed in water. Waterlogged sunflower and tomato plants developed lysigenous aerenchyma in the cortex of waterlogged stems within two days. |
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