Allelopathic activity of extracts from Impatiens species

https://doi.org/10.17221/156/2010-PSECitation:Vrchotová N., Šerá B., Krejčová J. (2011): Allelopathic activity of extracts from Impatiens species. Plant Soil Environ., 57: 57-60.
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We have tested the effect of water, methanol and dichloromethane extracts from the leaves of several species of Impatiens (I. noli-tangere, I. parviflora, I. glandulifera) on germination of seeds Leucosinapis alba and Brassica napus. All of the tested extracts had inhibitory effects to seeds of all studied plants (except the dichloromethane extracts). The highest activity revealed methanol extract and extract from I. glandulifera.
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