Weed Control in the Maize Stand in Dry Agroecology Conditions
Keywords:
maize, herbicides, treatment timing, weed control, weed infestationAbstract
The most common active ingredients of herbicides used in maize are, for example: dicamba, rimsulfuron, nicosulfuron, dimethenamid. The experiment was carried out at the PPD Inovec Volkovce farm. The aim of this work was to utilize the possibilities of chemical weed control and analyze them on plots with sown maize. The control of weed species were monitored and the effectiveness of the herbicides used with specific active ingredients applied according to variants: early post-emergent and post-emergent were also evaluated. The partial objectives of the work were: 1. evaluation of the current weed infestation using numerous methods on control and treated variants 2. evaluation of the effectiveness of regulatory intervention on variants treated with herbicides 3. evaluation of the phytotoxicity. The experiment was carried out on their standard plots with maize sown according to the sowing plan. Experimental area was set aside each year that has only been sown and has not been further treated. Chemical treatments in the experiment were carried out in accordance with the EPPO PP1/181(5) methodology. Untreated control area was covered with foil during the application of herbicides. Based on the use of available herbicides, the variants were divided into early post-emergence treatment up to the 3rd leaf of maize and post-emergence treatment up to the 6th leaf of maize. The best result had variant with active ingredients dicamba and prosulfuron in early post-emergence treatment.
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