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- Title
EFFECTS OF N-(1,1-DIMETHYLPROPYNYL)-3,5- DICHLOROBENZAMIDE ON THE ANATOMY OF AGROPYRON REPENS (L.) BEAUV.
- Authors
Peterson, R. L.; Smith, L. W.
- Abstract
Plants of <em>Agropyron repens</em>. (L.) Beauv. which had been sprayed with N-(1,1-dimethylpropynyl)-3,5-dichlorobenzamide (pronamide) were examined for changes in external and internal morphology at various times after spraying. Cell enlargement, some necrosis, and an increase in nuclear volume characterized treated rhizome apices. Abnormal metaxylem vessel elements and necrotic phloem were characteristic of the rhizome vascular tissues. Roots showed precocious differentiation and maturation of tissues and eventual vacuolation of the apical meristem, resulting in complete inhibition of root growth. Nuclei of root meristem cells were much enlarged and contained several nucleoli.
- Subjects
WHEATGRASSES; SPRAYING; PLANTS; PLANT morphology; VASCULAR system of plants; PLANT cells &; tissues; PHLOEM
- Publication
Weed Research, 1971, Vol 11, Issue 2/3, p84
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1971.tb00981.x