Можливі напрямки формування стійких до гербіцидів рас бур’янів
The possible directions of stable weed races formation to herbicides

Summary/Abstract: The herbicides use increases weeds toxicity. This influences negatively development of culture plants. The variability of this parameter is increased simultaneously with tendency of stabilization on high level of toxicity. This may be account of feature of new weeds races formation which are stable to broad diapason of chemical means of defence from weeds.

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