Published in Scientific Papers. Series A. Agronomy, Vol. LXIII, Issue 1
Written by Mariyan YANEV
During the period of 2017-2019 a field trial with Clearfield oilseed rape (hybrid PТ 200 CL) on the experimental field of the Agricultural University of Plovdiv, Bulgaria was conducted. The experiment included the application of imazamox - containing herbicide products - Cleranda SC, Cleravis SC, Cleravo SC and Clentiga SC together with the adjuvant Dash. The herbicide products were applied at BBCH 11-12 (1st-2nd true leaf) of the crop. The efficacy of the studied herbicides was evaluated by the 10-score scale of EWRS. The highest efficacy against Anthemis arvensis L., Papaver rhoeas L., Galium aparine L., Capsella bursa-pastoris (L.) Medik, Lolium temulentum L., Avena fatua L. and the volunteer Triticum aestivum L. after the application of Cleranda SC + Dash in rates of 2.00+1.00 l/ha, followed by Cleranda SC + Dash in rates of 1.40+1.00 l/ha and Cleravis SC+ Dash in rates of 2.00+1.00 l/ha was reported. For these treatments, the values for plant height, number of brunches per plant, silique number per plant, length of the central silique and yield were the highest.
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