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| Haigh, Z. E. L.; Baddeley, J. A.; Boyd, H. E.; Clarke, S.; Jones, H.; Rees, R. M.; Wolfe, M. S.. |
| Data from the second year of experiments at three sites (Wakelyns in SE and Sheepdrove in SW England; and Chapel Farm in SE Scotland) to investigate the effects of interactions among a range of agronomic practices (row spacing, seed density, weeding and undersowing with clover) on winter wheat performance are presented, and compared with first year results. Trends seen at all years and sites indicate that narrow row drill arrangements with high seed rates result in the highest yields. This combination also performed well for emergence and establishment. The effect of drill arrangement was significant (P<0.05) at two of the three experimental sites with establishment of 282 and 232 plants m-2 at Sheepdrove and Chapel farm respectively. There were... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop combinations and interactions; Weed management. |
| Ano: 2008 |
URL: http://orgprints.org/11908/1/Haigh_11908_ed.doc |
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| Jones, H; Boyd, H. E.; Clarke, S; Haigh, Z. E. L; Wolfe, M. |
| Twenty winter wheat varieties used as parents in a half diallel crossing programme for the production of wheat populations were grown in field trials at two organic and two non-organic sites over three years in England. Yields of the varieties between the two non-organic sites were highly correlated, but less so between the two organic sites and between the non-organic and organic sites. At the non-organic sites, most of the variation in yield (60%) was due to varietal differences, whereas, at the organic sites, it was due largely to the effects of environment (79%), and genotypic variation only accounted for 9%. More detailed analysis, using AMMI (Additive Main effects and Multiplicative Interaction), allowed stricter comparisons among individual... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: "Organics" in general Crop combinations and interactions Breeding; Genetics and propagation. |
| Ano: 2008 |
URL: http://orgprints.org/13205/1/Jones_13205_ed.doc |
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