Different responses of winter wheat cultivars to chlortoluron
1995
Vanova, M. | Spitzer, T. (Zemedelsky Vyzkumny Ustav, Kromeriz (Czech Republic))
Effects of three formulations of chlortoluron and several combined products containing this agent on the growth and development of winter wheat were studied in small-plot field experiments. Effects on number of tillers and dry matter production per unit area and grain yield in sets of eight and nine winter wheat varieties were investigated in 1991/1992, 1992/1993 and 1993/1994. Based on statistical evaluation, the application of chlortoluron can be considered as a measure which could cause the reduction of production ability, including yield loss in sensitive varieties. That can be increased in fields which do not enable higher compensation of a lower tiller number and biomass dry matter at early growth and developmental stages. Despite high yield potential, the varieties Vega, Bruta, Torysa and Sida were sensitive to chlortoluron.
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