Perturbations of upper leaf surface structures by simulated acid rain

Lesions on leaves of Phaseolus vulgaris and Helianthus annuus subjected to simulated sulfate acid rain were initially localized near trichomes and stomata on adaxial leaf surfaces. Scanning electron micrographs showed that 75% of all lesions began at the bases of spiked and glandular trichomes while...

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Bibliographic Details
Published in:Environmental and experimental botany 1977-01, Vol.17 (2), p.145,149-147,149
Main Authors: Evans, L.S., Gmur, N.F., Kelsch, J.J.
Format: Article
Language:English
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Summary:Lesions on leaves of Phaseolus vulgaris and Helianthus annuus subjected to simulated sulfate acid rain were initially localized near trichomes and stomata on adaxial leaf surfaces. Scanning electron micrographs showed that 75% of all lesions began at the bases of spiked and glandular trichomes while 20% originated at or near stomata. Very few (5%) lesions began in areas unassociated with these structures. These results may eventually help explain differential responses of plant taxa to acid rain.
ISSN:0098-8472
1873-7307
DOI:10.1016/0098-8472(77)90008-9