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Growing oganic cereals in Northern Ireland - disease and weed problems

Mercer, P C (2006) Growing oganic cereals in Northern Ireland - disease and weed problems. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 229-232.

[thumbnail of Growing_organic_cereals_in_Northern_Ireland_-_disease_and_weed_problems.pdf] PDF - English


The small organic arable sector in N. Ireland could be expanded to provide winter feed for cattle. Spring barley or wheat are likely to be the most suitable crops as they are reported to have fewer weed and disease problems than winter cereals. Trials from 2003 –05 on weed control showed no consistent effect of cultivar, although higher seed rates reduced weed biomass and tended to increase yield, albeit marginally. Trials on disease control showed no synergistic effects of two- or three-way cultivar mixtures over single cultivars, although disease levels were generally low. Particularly in spring barley, results from mixtures tended to be averages of those of individual components. It is suggested that it may be more advantageous and practical to use the most highly-disease resistant or tolerant cultivars rather than concentrate on mixtures.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Organic agriculture, weeds, Rhynchosporium secalis, Mycosphaerella graminicola, spring barley, spring wheat
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Weed management
Research affiliation: UK > Other organizations
UK > Colloquium of Organic Researchers (COR) > COR 2006
Deposited By: MILLMAN, Mrs Carol A
ID Code:10234
Deposited On:20 Dec 2006
Last Modified:12 Apr 2010 07:34
Document Language:English
Refereed:Not peer-reviewed

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