The windgrasses (Apera Adans., Poaceae) in North America

Two introduced windgrass species have become crop weeds in North America. Common windgrass is a major weed of winter cereals in Europe and was first documented in North America in the early 1800s. It is a weed of roadsides and waste areas in the northeastern United States and in winter grain fields...

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Bibliographic Details
Published in:Weed technology 1992-04, Vol.6 (2), p.445-450
Main Authors: Northam, F. E., Callihan, R. H.
Format: Article
Language:English
Subjects:
Agricultural soils
america del norte
amerique du nord
apera interrupta
apera spica venti
biologia
Biological taxonomies
biologie
biology
Crops
distribucion natural
distribution naturelle
Education Review
espece
especies
evolucion de la poblacion
evolution de la population
fenologia
germinacion
Germination
Grains
Grasses
introduced varieties
malezas
mauvaise herbe
natural distribution
north america
Panicles
phenologie
phenology
Plants
population change
Roadside
Seeds
species
variedades naturalizadas
variete introduite
weeds
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Summary:Two introduced windgrass species have become crop weeds in North America. Common windgrass is a major weed of winter cereals in Europe and was first documented in North America in the early 1800s. It is a weed of roadsides and waste areas in the northeastern United States and in winter grain fields of southern Ontario and Michigan. Interrupted windgrass was first reported in North America approximately 90 yr ago; it is adapted to more arid sites than common windgrass and is distributed predominantly in the northwestern U.S.A. During the past 10 to 15 yr, interrupted windgrass has adversely affected winter grain and grass seed producers in the Pacific Northwest due to additional control costs.
ISSN:0890-037X
1550-2740
DOI:10.1017/S0890037X0003503X