Atmospheric Aldehydes Related to Petunia Leaf Damage

Snowstorm petunias grown in the greenhouse developed a necrotic banding of the actively expanding foliage characteristic of injury ascribed to various photochemically produced pollutants in the atmosphere. In this case the damage appeared to be related to the high aldehyde content of the ambient air...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1964-02, Vol.143 (3608), p.818-820
Main Authors: Brennan, Eileen G., Leone, Ida A., Daines, Robert H.
Format: Article
Language:English
Subjects:
Aldehydes
Atmospherics
Cell walls
Fluorescence
Globulins
Leaves
Membrane potential
Muscle fibers
P branes
Plants
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Summary:Snowstorm petunias grown in the greenhouse developed a necrotic banding of the actively expanding foliage characteristic of injury ascribed to various photochemically produced pollutants in the atmosphere. In this case the damage appeared to be related to the high aldehyde content of the ambient air. Each time the aldehyde concentration exceeded 0.20 parts per million for 2 hours, injury appeared within a day or two. From July to September 1963 such plant injury was observed on seven occasions.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.143.3608.818