Bioassay on the action of the herbicide chlorsulfuron on the callus area of colonies of Brassica napus L. The experiment consists of 51 measurements for 10 different dose levels. The design is unbalanced: the number of replicates per dose varies from a minimum of 5 to a maximum of 8.
Chlorsulfuron
A data frame with 51 observations on the following 3 variables
gruppo
indicator variable for each tested dose
dose
the tested dose (nmol/l)
area
the callus area (mm^2)