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Publication Type:
| Report |
Author(s): | Courtney, A. D. |
Author Affiliation: | Dep. Agric. N. Ireland, Fld Bot. Res. Div., Newforge Lane, Belfast BT9 5PX, N. Ireland |
Title: | A comparative study of management factors likely to influence rhizome production by Agropyron repens and Agrostis gigantea in perennial ryegrass swards |
Source: | British Crop Protection Council Conference Proceedings- Weeds 1980. 1980, p. 469-475. |
Publishing Information: | Farnham, Surrey, England: British Crop Protection Council |
Keywords: | TIC Keywords: Agropyron repens; Biology; Rhizomes; Agrostis stolonifera; Lolium perenne; Weeds; Cutting
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Geographic Terms: | UK |
Abstract/Contents: | Data are presented comparing the growth of Agropyron repens and Agrostis gigantea in association with perennial ryegrass. In an indigenous field infestation where defoliation intervals of between 2 and 8 wks were compared, rhizome levels were contained by defoliation at less than 4-wk intervals. A 2- or 4-wk interval was recorded as being preferable to 8 wks in a subsequent experiment. The ability of A. gigantea to prosper at lower N levels than A. repens, as suggested in field data, was confirmed in an experiment where, with a nil nitrogen regime, A. gigantea with perennial ryegrass produced almost 3 times the rhizome DM of A. repens while, when 385 kg N/ha were applied, A. repens produced 4 times more rhizome DM than A. gigantea. From summary. |
Language: | English |
References: | 8 |
Note: | Summary appears in French |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Courtney, A. D. 1980. A comparative study of management factors likely to influence rhizome production by Agropyron repens and Agrostis gigantea in perennial ryegrass swards. Br. Crop Prot. Coun. Conf. Proc. Weeds. p. 469-475. |
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