Abstract:

The study was carried out in a total of 27 fields between 2000-2001 in order to determine the foreign herbs and density, spread rates and community-building conditions of the Bayburt arpa October areas. The survey was conducted in MayJuly.The survey was conducted as a result of Chenopodium album L., Cirsium arvense (L.) Scop., Sinapis arvensis L., Fallopia convolvulus (L.) A. Loeve., Geranium tuberosum L., Centaura depressa Bieb., Convolvulus arvensis L., Sideritis montana L., Avena fatua L., Lactuca serriola L., Tragopogon spp. and Polygonum bellardii all. The most frequently found foreign herbs are identified. The main members of the community were C. arvense, C. album, F. convolvulus and S. arvensis. 72 foreign grass species that enter 23 families in the center of the Arpa October area 61.25 pieces/m2, 73 different species of 24 families in the Demirözü District 49.54 pieces/m2 and 68 foreign grass species belonging to 24 families in the Aydıntepe District 46.10 pieces/m2 are found in average intensity.

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