The glucosinolates content in spring rape seeds under the influence of herbicides
2004
Adomas, B. (University of Warmia and Mazury, Olsztyn (Poland). Dept. of Air Protection and Environmental Toxicology), E-mail: [email protected]
Field experiment with spring rape (Brassica napus var. oleifera f. annua) cultivars Star and Lisonne was conducted in the years 1995-99 at the vicinity of Olsztyn, Poland. The herbicides trifluralin (Triflurotox 250 EC), alachlor + trifluralin (Alatrif 380 EC), metazachlor (Butisan 400 SC) and clopyralid (Lontrel 300) were applied in spring rape according to recommendations. The aim of this study was to estimate the effect of the herbicides on glucosinolates content in spring rape seeds.The obtained results revealed significant effect of meteorological conditions on glucosinolates content. The Star cv. was characterized by higher level of these compounds in comparison with Lisonne cv. The adequate values were 15.96 mcol/g of d.m. and 12.32 mcmol/g of d.m., respectively. It is evident on the base of the statistical analyses of the obtained results that herbicides modified glucosinolates content in seeds of both cultivars. The level of these compounds was increased as the effect of Triflurotox 250 EC use (data obtained from three years investigations) and Alatrif 380 EC (four years) while Butisan 400 SC activity was unfavourable (four years)
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