POSSIBILITIES FOR CHEMICAL WEED CONTROL AT OIL SEED RAPE

Published in Scientific Papers. Series A. Agronomy, Vol. LX
Written by Anyo MITKOV, Nesho NESHEV, Mariyan YANEV, Tonyo TONEV

During the period from 2014 to 2016, a field trail with the oilseed rape (Brassica napus L.) hybrid “РХ 111 CL” (Clearfield® hybrid) was conducted. The experiment was carried out in the experimental base of the department of ”Agriculture and Herbology” of the Agricultural University of Plovdiv, Bulgaria. The aim of the study was to establish the possibilities of chemical weed control during the vegetation of the oilseed rape with perspective herbicides. The following 6 herbicide product were evaluated: Salsa 75 WG (750 g/kg Ethametsulfuron-Methyl), Galera Super (240 g/l clopyralid + 80 g/l picloram + 40 g/l aminopyralid), Modaon 4 F (480 g/l bifenox), Fusilade Forte 150 EC (150 g/l fluazifop-p-butyl), Stratos Ultra (100 g/l cycloxydim + tenzid) and Cleranda SC (17.5 g/l imazamox + 375 g/l metazachlor). The efficacy of the products was recorded by the 10 score scale of EWRS (European Weed Research Society). The productivity of the oilseed rape was also studied. The dispersion analyses showed that there were proved differences between the variants of the tail. The highest herbicide efficacy against the existing weed infestation as well as the highest yield (4.098 t.ha-1) was recorded for the variant with the combine application of the herbicide products Galera Super + Fusilade Forte 150 EC.

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MITKOV A., NESHEV N., YANEV M., TONEV T. 2017, POSSIBILITIES FOR CHEMICAL WEED CONTROL AT OIL SEED RAPE. Scientific Papers. Series A. Agronomy, Vol. LX, ISSN 2285-5785, 320-325.


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