WEED CONTROL BY HERBICIDES AND THEIR COMBINATION IN CARROT CROP

A. Sasnauskas, D. Kavaliauskaitė, R. Karklelienė , C. Bobinas
Carrots (Daucus sativus Röhl.) grow slowly and completely can’t compete with weeds, which quickly germinate and grow in the crop, at the beginning of vegetation under Lithuanian climatic conditions. The most effective method of weed control under the conditions of intensive agriculture is herbicides applying. There aren’t many herbicides suitable for carrot crop registered in Lithuania. Therefore there is constantly looked for new, more effective and less noxious, herbicides, which could have enough efficacy in low dosage. Field trials were carried out in carrot crop to investigate herbicides aclonifen, metribuzin and their combinations at the Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry in 2008-2009. The applied herbicides and their combination efficiently reduced the total amount of weeds in carrot crop. Combination of metribuzin (0.35 L ha-1) sprayed after sowing and in addition metribuzin (0.35 L ha-1) sprayed at carrot 2 leaves stage was the least efficient. Amount of weeds reduced by 84% after the application. The efficiency of aclonifen (2.5 L ha-1) was very similar when it was sprayed after sowing – the amount of weeds was reduced by 85.8%. The highest amount of weeds was killed when combination of aclonifen (1.5 L ha-1) sprayed after sowing and metribuzin (0.35 L ha-1) sprayed at carrot 2 leaves stage. Weeds were reduced by 91%. The results of field trials indicated that broadleaved weeds except Solanum nigrum were very well controlled by aclonifen, metribuzin and their combinations.
Sasnauskas, A., Kavaliauskaitė, D., Karklelienė , R. and Bobinas, C. (2012). WEED CONTROL BY HERBICIDES AND THEIR COMBINATION IN CARROT CROP . Acta Hortic. 936, 295-298
DOI: 10.17660/ActaHortic.2012.936.37
https://doi.org/10.17660/ActaHortic.2012.936.37
Daucus sativus Röhl., herbicides, weeds
English

Acta Horticulturae