Ozone slows the growth rate of silver maple leaves
Journal Article
·
· Phytopathology; (United States)
OSTI ID:5959882
One-year-old silver maple seedlings were fumigated for 12 hours per day with either 0, 0.1, or 0.2 ppm ozone. As new leaves were formed in the treatment chambers, representative leaves were selected from each treatment having Leaf Plastochron Index values from 0 to 1.5. Dots were placed on each leaf along the midrib at approximately 1-mm intervals. Each leaf was then photographed at the same time on three successive days. Changes in elementary leaf length were determined by measuring the distance of the dots from the leaf tip. Ozone fumigation allowed leaf elongation and hastened leaf maturity. Ozone could retard height and weight increases through these processes because leaf size is often directly correlated with seedling size and weight.
- Research Organization:
- Dept. of Agriculture, Delaware, OH
- OSTI ID:
- 5959882
- Journal Information:
- Phytopathology; (United States), Journal Name: Phytopathology; (United States) Vol. 71:5; ISSN PHYTA
- Country of Publication:
- United States
- Language:
- English
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· Bulletin of the Ecological Society of America; (United States)
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