An assessment of the incidence of ray blight disease of pyrethrum in 62 sampling units, containing 6 plants each.
Format
A data frame with 62 rows and 2 variables:
| [, 1] | i | Number of diseased plants (from 0 to 6). |
| [, 2] | n | Sampling unit size. Here, n = 6 plants per sampling unit. |
Source
Pethybridge SJ, Esker P, Hay F, Wilson C, Nutter FW. 2005. Spatiotemporal description of epidemics caused by Phoma ligulicola in Tasmanian pyrethrum fields. Phytopathology 95, 648–658. doi:10.1094/PHYTO-95-0648