Relationships Between Yield and Crown Disease of Sweet Corn Grown in the Willamette Valley of Oregon

Fig. 2. Grayscale means of sweet corn crowns versus mean ear weight by field sites. The regression model includes mean crown grayscale and field as explanatory variables without interactions (A) (crown grayscale parallel lines model). The same model is adjusted so all fields fit a common intercept (B) to better show the relationship between crown grayscale and ear weight. Each point represents the transect mean based on 10 plants/transect in 10 transects in each field. Fields 1 to 5 were sampled in 2003 and 6 to 10 were sampled in 2004.



Image from Plant Health Progress article:
Relationships Between Yield and Crown Disease of Sweet Corn Grown in the Willamette Valley of Oregon