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- W1985596755 abstract "403 relevés, dont 152 en 1988 et 251 en 1989, effectués essentiellement dans des cultures de sorgho, de mil et de mais dans 37 localités du Burkina Faso, ont permis de recenser 272 especes adventices, dont 60% communes aux deux annees. 56 especes nouvelles pour la flore du Burkina Faso ont été mises en Evidence. Une analyse des spectres floristique et biologique ainsi que de la repartition géographique des especes rélève quelques caractéristiques de la flore adventice. L'etude de la fréquence et du recouvrement des especes permet de dégager les principales mauvaises herbes des cultures annuelles du Burkina Faso. Weeds of annual crops in Burkina Faso A survey was made of weeds in fields of sorghum, millet and maize at 37 localities in Burkina Faso. The survey covered 403 fields, 152 in 1988 and 251 in 1989. A total of 272 adventive species were recorded, 60% of them in both years. Fifty-six species were found which were new to the Burkina Faso flora. An analysis of the floristic and biological spectra, together with the geographical distribution, revealed certain characteristic features of the weed flora. The information obtained with regard to the frequency and abundance of the species makes it possible to define the principal weeds of annual crops in Burkina Faso. Die Unkrautflora der Getreidefelder von Burkina Faso Es wurden 403 Aufnahmen (1988: 152, 1989: 251) hauptsächlich in Sorghum-Hirse, Hirse und Mais an 37 Orten von Burkina Faso gemacht, wobei 272 Unkrautarten gefunden wurden, davon 60% in beiden Jahren. 56 Arten konnten fur die Flora von Burkina Faso erstmals nachgewiesen werden. Mit einer biologischen, floristischen und geographischen Analyse der Arten wurde die Unkrautflora charakterisiert. Die Untersuchung der Frequenz und des Deckungsgrads der Arten erlaubte, die wichtigsten Unkräuter der einjährigen Kulturen von Burkina Faso zu nennen." @default.
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- W1985596755 date "1992-08-01" @default.
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- W1985596755 title "Flore adventice des cultures cerealieres annuelles du Burkina Faso" @default.
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- W1985596755 doi "https://doi.org/10.1111/j.1365-3180.1992.tb01888.x" @default.
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