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- Title
Growth of tomato plants following exposure to fluroxypyr vapour.
- Authors
Breeze, V. G.
- Abstract
Four-week-old tomato plants were exposed to fluroxypyr vapour at four concentrations between 0.37 pg l-1 and 5.5 pg l-1 for 48 h. Leaf epinasty and stem elongation were observed during this period and the rate of net CO2 exchange in the light by the plants exposed to the highest vapour concentration also began to decline. Visible symptoms of phytotoxicity were present on all treated plants 4 weeks after exposure, indicating that assimilation of fluroxypyr vapour had taken place at concentrations as low as 0.37 pg l-1. Only the plants exposed to 5.5 pg l-1 had reduced shoot dry weights but the others were generally taller and had lower dry matter contents, compared with untreated plants.
- Subjects
TOMATOES; PLANT stems; CARBON dioxide; PHYTOTOXINS; PLANTS
- Publication
Weed Research, 1988, Vol 28, Issue 4, p297
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1988.tb00807.x