Published in Scientific Papers. Series A. Agronomy, Vol. LXVIII, Issue 1
Written by Nesho NESHEV, Marina MARCHEVA
Camelina is one of the underestimated oil crops with high potential for low input production. Main constrain during the cultivation is the weed infestation. A field trial for evaluation of the efficacy and the selectivity of several herbicides applied on three genotypes (variety Czenstochowska, local landrace BGR 436, and introduced accession CAM 265) was performed at the Agricultural University of Plovdiv, Bulgaria in 2022 and 2023. The herbicides Stomp Aqua (455 g/l pendimethalin) – 4.00 L ha-1 and Butisan 400 SC (400 g/l metazachlor) – 2.50 L ha-1 were applied after sowing before germination. The studied foliar herbicides were Lontrel 300 SL (300 g/l clopiralid) – 0.40 L ha-1 and Galera Super (240 g/l clopyralid + 80 g/l picloram + 40 g/l aminopyralid) – 0.20 L ha-1. The products were sprayed at the growth stage when a single true leaf on 5th to 8th node was developed on the crop. The Lontrel 300 SL and Galera Super treatments showed higher weed control compared to Stomp Aqua and Butisan 400 SC, but had higher phytotoxixity as well that resulted in growth retardation and yields decrease.
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