Effects of low levels of ozone on Pinto beans, Phaseolus vulgaris L
Journal Article
·
· Proc. Am. Soc. Hortic. Sci.; (United States)
OSTI ID:6266618
Fourteen day old Pinto beans (Phaseolus vulgaris L.) were fumigated continuously from 1 to 5 days with .05 ppm ozone. The unifoliate leaves after 3 days of fumigation exhibited premature senescence. This effect was not increased by longer fumigation. Lateral buds in the axils of the unifoliate leaves were stimulated to elongate, whereas the leaves were reduced in size and weight. Avena coleoptile straight growth tests were made to test the possible relation of the presence of auxin-like material to the premature leaf senescence and bud elongation. Although definite auxin-like activity was observed, the data did not suggest a mechanism for premature senescence of the unifoliate leaves or the elongation of buds.
- Research Organization:
- Univ. of Wisconsin, Madison
- OSTI ID:
- 6266618
- Journal Information:
- Proc. Am. Soc. Hortic. Sci.; (United States), Journal Name: Proc. Am. Soc. Hortic. Sci.; (United States) Vol. 91; ISSN PASHA
- Country of Publication:
- United States
- Language:
- English
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