Allelopathy of 12 Species Including Eupatorium catarium on Bidens alba Seedlings Responses of Mikania micrantha to parasitization of Cuscuta campestris in total soluble protein content and activities of antioxidant enzymes Non-target impacts of weed biological control agents on native community and safeguard approaches CHROMOSOME VARIATION AND KARYOTYPE ANALYSIS OF INVASIVE WEEDSorghum halepenseL. Studies on Some Structural Characteristics of a Community of Grassland of Elymus sibiricus Planted in Different Years Chemical compositions and allelopathic potential of volatile oil from Sorghum halepense Multivariate analysis, description, and ecological interpretation of weeds and alien invasive weeds in the autumn tea gardens of Jiangsu Province, China