Table 5 Characteristics of herbicide multiresistant (BR) and herbicide-susceptible (S) biotypes of blackgrass used in the pot experiments.

From: Intra- and interspecies competition of blackgrass and wheat in the context of herbicidal resistance and environmental conditions in Poland

Biotype

Herbicide (HRAC group)

Fenoxaprop-P (HRAC A)

Pinoxaden (HRAC A)

Piroxulam (HRAC B)

Iodosulfuron (HRAC B)

Pendimathalin (HRAC K1)

R

RRR (> 2650)

RRR (684)

RRR (> 288)

RRR (> 3200)

RRR (> 51000)

S

S (< 51.0)

S (< 25.5)

S (< 12.5)

S (< 5.0)

S (< 300)

  1. The numbers in brackets relate to the effective dose (g ha−1) of the active ingredient causing a 50% reduction in plant biomass (ED50).
  2. 1S susceptible.
  3. 2RRR highly resistant.
Back to article page