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Siabilität der Verbreitung von Alopecurus myosuroides Huds. in Getreidefeldern
Author(s) -
WILSON B.J.,
BRAIN P.
Publication year - 1991
Publication title -
weed research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 74
eISSN - 1365-3180
pISSN - 0043-1737
DOI - 10.1111/j.1365-3180.1991.tb01776.x
Subject(s) - term (time) , agronomy , distribution (mathematics) , biology , physics , mathematics , mathematical analysis , quantum mechanics
Summary: The incidence of Alopecurus myosuroides seedheads was monitored annually for 10 years in the cereal fields of a 173‐ha arable and dairy farm. A. myosuroides persisted at low population densities, despite the use of herbicides and grass breaks in the rotation. The distribution of the weed was irregular, with none occurring on at least 60% of the positions surveyed in the cereal fields. Spatial distributions were compared between years, and some significant correlations were found from year to year in continuous cereals, and in cereal crops separated by a 3‐year grass ley.