Accounting for biotic spatial variability in fields: Case of resistance screening against sunflower Verticillium wilt - Fig 4
Semivariograms for asymptomatic control results for 2013 (A) and 2014 (C) and symptomatic control results for 2013 (B) and 2014 (D). Leaf symptom incidences only occurred in 2014. Stage 2 notations were assessed only in 2013. Distances are expressed in plot length, 1à plots correspond to a distance of 16 meters.