Registration Number
0223U004697,
0121U100036
, R & D reports
Title
Development of weed management criteria for the use of innovative herbicides to realize the potential of winter rapeseed productivity in the Carpathian region
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Head
Melnychuk Taras V., Кандидат сільськогосподарських наук
Registration Date
29-11-2023
Organization
Precarpathian State Agricultural Experimental Station of the National Academy of Agrarian Sciences of Ukraine
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Herbological monitoring established that phytocenosis was formed in the sowing of winter rape, which includes 34 species of weeds from 30 genera and 17 families. Of the segetal vegetation, annuals are represented by 28 species, of which 1 is ephemeral, 8 are ravines, 18 are wintering, 1 is winter and perennials - 6 species, of which 4 are root and 2 are rhizome. The quantitative composition of weeds in the agrocenosis of winter rape is 287,4 pcs ./m ². The degree of weediness on the scale of quantitative assessment: perennials - medium, annuals - very high; on the scale of fouling of sowing by coating - very high. Biological efficiency of herbicides in the versions of experiments: soil - from 59,7% to 85,7%, post-emergence - from 66,5% to 85,1%. Symptoms of phytotoxicity in winter rape plants were manifested by herbicides with the active substances clomazone (leaf chlorosis) and galauxifen-methyl (deformation, whitening of leaf veins; inhibition of the growth point; thickening of the apex of the central stem): the frequency of distribution is from 0,22% to 4,33%, the intensity of phytotoxicity is from 0,06% to 1,42%. Yield of winter rape seeds with the use of herbicides: soil - from 2,17 t/ha to 2,86 t/ha (23,3-62,5% higher than the control), post-emergence - from 2,26 t/ha to 2,83 t/ha, which exceeds the control by 29,9-62,6%.
Product Description
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Kіforuk Ivan M.
Pavlovska Natalia I.
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2023-11-29
