Özet:

Purpose: In this study, Adana’s Heart, Aladağ, Ceyhan, Imamoğlu, Yumurtalık, Karaisalı, Kozan, Sarıçam, Seyhan, Çukurova districts have been investigated to determine the prevalence and intensity of important foreign herbs in the Ayçiçeği areas. Method and findings: the density of foreign herbs in the fields of the Canyon was found (ad/m2), the frequency of founding (%), the special cover areas (%) and the general cover areas (%). The surveys were conducted in 2017 during the development period of two different mountains (4-8 leaves and flowering periods). As foreign herbs with the highest frequency in all the survey outcomes, Convolvulus arvensis, Chenopodium album and Sinapis arvensis were identified. In the first survey period, foreign herb intensities were studied, C. album (6. It is the most important species, followed by Heliotropium europaeum (3.75 species/m2) and C. arvensis (3.05 species/m2). In the second survey period, C. album (5.13 pieces/m2), C. vulvaria (2.42 pieces/m2) and Cyperus rotundus (1.98 pieces/m2) were in the first three places. C. arvensis (6.89) and C. album (13.57) are the most common species in general covering areas. The most important foreign grass species according to special cover areas were S. arvensis in the first survey (24.62%), and Cuscuta campestris in the second survey (56.95%). General Review: As foreign herbs with the highest frequency in all of the survey outcomes, Convolvulus arvensis, Chenopodium album and Sinapis arvensis have been identified. In the first survey period, C. album, Heliotropium europaeum and C. arvensis have the highest intensity value, while in the second survey period, C. album, C. vulvaria and Cyperus rotundus have the highest intensity value. The importance and impact of the study: The research is believed to be beneficial to the sustainability of agriculture by providing research on the possibilities of fighting with foreign grass species identified in the study.

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