نتایج جستجو برای: trifolium pratense

تعداد نتایج: 2664  

Journal: :Sustainability 2023

Effective biomonitoring strategies are essential for identifying and assessing the sources levels of contamination heavy metal pollutants in urban areas, given their negative impacts on human health environment. This study aimed to assess potential common weed, Trifolium pratense as a bioindicator various land uses with focus Cd, Cu, Cr, Ni, Pb. The results have shown that Cr Ni had high biocon...

Journal: :Journal of economic entomology 2002
Jerome A Gels David W Held Daniel A Potter

Insecticides used on turf are sometimes applied to areas with flowering weeds that attract honey bees and native pollinators. We tested residual effects of such treatments on colony vitality and behavior of the bumble bees Bombus impatiens Cresson foraging on turf containingwhite clover, Trifolium repens L. Imidacloprid, a syst emic chloronicotinyl used for preventive control of root-feeding gr...

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