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Type of publication: Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Stefanovičienė, Rasa
Contributor(s): Dabkevičius, Zenonas;Auškalnienė, Ona
Title: Dirvinės smilguolės (Apera spica-venti (L.) P.B.) rezistentiškumo herbicidams tyrimai
Other Title: Investigations on herbicide resistance silky bent grass (Apera spica-venti (L.) P.B.)
Is part of: Jaunasis mokslininkas 2014: studentų mokslinės konferencijos pranešimų rinkinys / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija,, 2014
Extent: p. 190–193
Date: 2014
Abstract: The main goal of this investigation was to evaluate resistance of Apera spica venti to different kind of herbicides action in several fields of winter wheat in Marijampolė and Šakiai districts. The samples of A. spica – venti seeds were taken at the ripening stage of Apera in the period of 2012–2013. Winter wheat fields were chosen according to compliance of farmers about low efficacy of herbicides. Herbicide efficacy was tested in the pot experiments. Four different actions of herbicides: ACC inhibitors, ALS inhibitors, photosystem II inhibitors and mitosis inhibitors were spray applied after the A. spica venti germination. According to methodology 21 day after herbicide application efficacy on A. spica venti plants was visually evaluated. The scale of efficacy evaluation was 0–100 percent: 0 – no effect on A.spica venti plants, 100 – all plants killed. Resistance on sulfonylurea herbicides was found in six Apera spica venti populations. Analysis of field data showed, that the determinative factors for herbicide resistance were: repeated usage of the same kind of active ingredient, minimal soil tillage and absence of crop rotation
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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