首页|SYNANTHROPIC ORCHARD FLORA IN WEST MAZOVIA - CENTRAL POLAND
SYNANTHROPIC ORCHARD FLORA IN WEST MAZOVIA - CENTRAL POLAND
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NSTL
Research on synanthropic flora was conducted in the orchards of central Poland (near Skierniewice, lowicz and Grójec). In the 2007-2010 time period, 390 phytosociological releves were taken, which included herbicide fallow under trees, swarm of inter-rows, tillage places, trodden and rutty places, roadsides, boundary stripes and drainage ditches. In the examined orchards the occurrence of 186 species belonging to 39 botanical families was noted. The most numerously represented were: Asteraceae (21%), Poaceae (15%), Brassicacea (8%) and Fabaceae (7%). In the examined orchards, 60% of the found species occurred occasionally or rarely. Those species which were found at the 15% level were: Equisetum arvense, Polygonum aviculare, Chenopodium album, Amaranthus retroflexus, Stellaria media, Capsella bursa-pastoris, Convolvulus arvensis, Viola arvensis, Epilobium adenocaulon, Conyza canadensis, Taraxacum officinale, Poa annua, and Echinochloa crus-galli. All of these species which occurred at the 15% level were most frequently noted in the herbicide fallow and were recognised as the most significant orchard weeds. The most numerous group in the examined orchards was made up of the therophytes (50%), which predominated over hemicryptophytes (31%) and geophytes (10%). Apophytes - native species (59%) predominated over archeophytes (33%) and kenophytes (8%). Within the vascular flora of the examined orchards, those which were predominant were the segetal species (26%), ruderal species (21%) and meadow species (19%).
Orchardsynanthropic plantsweeds
Jerzy Lisek
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Research Institute of Horticulture, Konstytucji 3 Maja 1/3 96-100 Skierniewice, POLAND
NSTL
