ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785


Published in Scientific Papers. Series A. Agronomy, Vol. LXIV, Issue 1
Written by Shteliyana KALINOVA, Plamen SERAFIMOV, Irena GOLUBINOVA

The efficacy of Segador (organic fertilizer with a contact herbicide effect), applied alone or in combination with the adjuvant Melamyel for controlling of the invasive weed species Sorghum halepense (L.) Pers., Cirsium arvense (L.) Scop. and Convolvulus arvensis L. in non-cropped areas was studied. Segador at concentration 5%, 8% and 12% indicated high efficiency from 95 to 100%. It proved to be a successful element in a strategy for controlling of invasive weed species (Cirsium arvense (L.) Scop. and Convolvulus arvensis L.) and greatly important for reducing to population density of perennial dicotyledonous weeds. The resistance of Segador was demonstrated to Sorghum halepense (L.) Pers. at all tested rates with or without Melamyel. Segador successfully controlled perennial dicotyledonous weeds, but it was not toxic to Sorghum halepense (L.) Pers.

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