Weed species diversity and population indices in irrigated and rain-fed chickpea (Cicer arietinum L. )

This study was conducted to evaluate the species diversity and population indices of weeds in irrigated and rainfed chickpea (Cicerarietinum L.) fieldsof Kermanshah Iran, in 2014.The irrigated, spring and winter rain-fed fields of chickpea were selected for... More

This study was conducted to evaluate the species diversity and population indices of weeds in irrigated and rainfed chickpea (Cicerarietinum L.) fieldsof Kermanshah Iran, in 2014.The irrigated, spring and winter rain-fed fields of chickpea were selected for sampling of weed species population. The field surveys were made during the chickpea flowering stage. The weeds in 0.25 m2quadrats were harvested and the frequencyindex, uniformity, density, averagedensityandabundance indexwas calculated.The results showed that in irrigatedchickpea fields the johnson grass(Sorghum halepense(L.) Pers.) and lambsquarters (Chenopodium albumL.) had the highest frequency, uniformity, density and abundance index.In the winter rain-fed chickpea the common hedge parsley (Torilisarvensis (Huds) and wild oat (AvenaludovicianaDurieu.) and inthe spring rain-fed chickpea the common liquorice(GlycyrrhizaglabraL.) and Torilisarvensis(Huds) had the highest frequency, uniformity, density and abundance index. Gene Less