Foliar disease control in field pea in southern Brazil
Date
2003-02-18
Authors
Kutcher, H.R.
Tomm, G.O.
Picinini, E.C.
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Abstract
The introduction of field pea into the crop rotation in southern Brazil would diversify production
and increase sustainability of the system. One of the main obstacles to field pea production in
southern Brazil is the occurrence of foliar diseases. The objective of this project was to
determine if field pea production potential could be maintained by application of fungicides
during crop development to reduce the severity of diseases of field pea, particularly
mycosphaerella blight and anthracnose. The study demonstrated that fungicide application
effectively reduced severity of symptoms and maintained yield and quality. The single
application of two combined active ingredients (pyraclostrobin and epoxiconazole) appeared to
result in a synergy that proved to be the most effective treatment evaluated. Therefore, the use of
fungicides with other integrated pest management practices such as early seeding and choice of a
disease tolerant or less susceptible cultivar should help to maintain yield and quality of field pea
in southern Brazil.
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Keywords
fungicide, mycosphaerella blight, anthracnose
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Part Of
Soils and Crops Workshop