Control of Solidago canadensis L. using various herbicide protection schemes
Abstract
The aggressive spread of the invasive plant Solidago canadensis L. poses a serious threat to Ukraine's phytocenoses. This species rapidly colonizes areas due to the high viability of its root system and its wide ecological adaptability, making control by traditional methods difficult.
Purpose. The purpose of this study is to evaluate the effectiveness of three herbicide treatment schemes for controlling Solidago canadensis L., using herbicides based on dicamba, triasulfuron, and glyphosate.
Methods. The effectiveness of three chemical control schemes was studied from 2021 to 2025 in the Forest-Steppe zone of Ukraine. Herbicides based on triasulfuron, dicamba, and glyphosate were tested. Effectiveness was assessed by measuring the toxic effect on plants, reduction in biomass, number of viable shoots, and the weed's ability to regenerate. Observations covered the growing season and analyzed long-term effects of herbicide application.
Results. The highest effectiveness was shown by the herbicide Lintur 70 WG, containing triasulfuron and dicamba. It caused up to 94.3 percent plant death and minimal regeneration during the season. Herbicides based on glyphosate and dicamba alone were less effective, particularly in long-term control and root suppression. The use of Lintur 70 WG significantly reduced Solidago canadensis density and lowered the risk of repeated proliferation.
Conclusions. The results indicate that the combination of triasulfuron and dicamba is suitable for effective control of Solidago canadensis in agricultural lands. These findings can serve as a basis for practical recommendations for chemical protection of crops, aimed at maintaining productivity and ecological stability of phytocenoses.
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