ORIGINAL ARTICLE
Biodiversity of segetal weed community in continuous potato cultivated with metribuzin-based weed control
1
Siedlce University of Natural Sciences and Humanities
Prusa 14, Siedlce 08-110, Poland
Submission date: 2014-05-14
Acceptance date: 2015-02-06
Corresponding author
Zbigniew Pawlonka
Siedlce University of Natural Sciences and Humanities Prusa 14, Siedlce 08-110, Poland
Siedlce University of Natural Sciences and Humanities Prusa 14, Siedlce 08-110, Poland
Journal of Plant Protection Research 2015;55(1):52-57
KEYWORDS
TOPICS
ABSTRACT
The objective of the work reported here was to determine the relationship between herbicide rate and the biodiversity of
weed communities in potato cultivated in continuous cropping. A seven-year field experiment was conducted to examine the effect
of 4 metribuzin rates and an uncontrol on weed infestation in successive years of continuous potato cultivation. The following indices
were calculated: the Shannon-Wiener and Simpson’s indices of species diversity and the Simpson’s index of domination. A total of 33
species were recorded in the experimental plots.
Echinochoa crus-galli
was the dominant species.
The most abundant segetal communities were observed in untreated plots. An application of the herbicide reduced the biodiversity of the agrophytocenosis. Cultivation
in continuous cropping increased the species number of the weed community in potato. The herbicide and cultivation in continuous
cropping did not significantly affect the biodiversity indices but their values, to a great extent, confirmed the trends revealed by the
analysis of weed infestation.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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| eISSN: | 1899-007X |
| ISSN: | 1427-4345 |
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