Weed Floristic Composition in Lentil (Lens culinaris) farms in Khorramabad

Document Type : Research Article

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Abstract

Studies on floristic composition of weeds in an agricultural zone could help to reach a better weed control management strategies. The goal of this article was the study of the floristic composition of Lentil weeds grown filds in Khorramabad, during 2007-2008. Sampling was done on 9 point of each field according to W method in 21farm. In each plat Per plate of all weed species were counted separately. Accordingly, species abundance, species density and uniformity of each farm in regions were determined. Among the 64 species observed in the lentil fields, most Frequentlly observed species was Gallium aparine and Vicia vilosa with 92 percent. of Gallium aparine 13 plants/m2 had the higest density among the weeds. Mean density of Turgenia Latifolia, and Lathyrus sativa were 4.5, 3.3 and 3.1 plant/ m2 , respectively. Mean density of weeds in Lentil fields was 54 plant/ m2 .

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