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- Title
Some effects of the herbicide EL--107 on cellular growth and metabolism.
- Authors
Lefebvre, A.; Maizonnier, D.; Gaudry, J. C.; Clair, D.; Scalla, R.
- Abstract
Effects of the herbicide EL-107 (<em>N</em>-[3-(1-ethyl-1-methylpropyl)-5-isoxazolyl]-2,6-dimethoxy-benzamide) on the growth of dicotyledonous plants are described. The herbicide did not inhibit germination but reduced the growth of rape (<em>Brassica napus</em> L.) by half at 0.0057 mg 1-1. The most characteristic symptom induced was a swelling of the apical regions, and histological observations of root tips of <em>Polygonum persicaria</em> and rape revealed a progressive disappearance of the meristematic zone, which was replaced by enlarged cells almost devoid of cytoplasm. Growth of cells of <em>Acer pseudoplatanus</em> L. and soybean (<em>Glycine max</em> L.) cultured in suspension was also inhibited by EL-107, which induced a characteristic change in the cell morphology to an enlarged, rounded shape. EL-107 apparently did not block cell division; at a high concentration it produced some inhibition of protein synthesis, but in <em>Acer</em> cells only. In both types of cell cultures it inhibited, to some extent, the incorporation of glucose into cell wall material.
- Subjects
HERBICIDES; CYTOLOGICAL techniques; RAPE (Plant); GROWTH factors; GERMINATION
- Publication
Weed Research, 1987, Vol 27, Issue 2, p125
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1987.tb00745.x