[Efficiency of herbicides Harmony, 75% of dry fluid suspension, 2М-4Х, 750 g/l of water solution, Pantera 4% concentrate of emulsion and their mixtures for fiber flax in the conditions of the North-East of Belarus]
2006
Kazharskij, V.R.,Belarus State Academy of Agriculture, Gorki (Belarus)
Research results of studies on the improvement of fiber flax (Linum usitatissimum elongata) protection against weeds in the concrete agricultural and climatic conditions of the North-Eastern part of Belarus by means of the comparative analysis of biological and economic efficiency of herbicides and herbicide tank mixtures (Harmony, 75% of dry fluid suspension, 2М-4Х, 750 g/l of water solution, Pantera 4% concentrate of emulsion) were presented. Influence of studied herbicides on yield qualitative characteristics as well as calculation and assessment of economic efficiency of their application were analyzed. Tank mixture Harmony + 2M-4X (0,5 l/ha + 10 g/ha) as well as Harmony (15 g/ha) applied on the basis of Pantera gramicide in doze of 1,25 l/ha provided the maximum (100%) biological effect against dicotyledons and cereals weeds. Gramicide exclusion from the two-stage plant protection lowered flax productivity. Pantera inclusion into tank mixture with anti-dicotyledons herbicies made it possible to obtain flax yield with the lowered on 3% content of bast fiber. Application of Pantera in doze of 1,25 l/ha without the concurrent culture protection against dicotyledons in the given phytosanitary conditions (7 plants/m2 of couch-grass and 21 plants/m2 of barnyard grass) provided the significant increase of flax stock but the amount of obtained yield increase was incommensurable with the extra costs and proved to be economically unprofitable
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