Bird damage was lowest among the sunflowers planted on 7-June (6.6%) (Table 3; Figure 4). Lodging
was significantly higher at the 1-June planting date than other planting dates. The incidence of white mold
in the form of stalk rot was 6.7% in the first planting date (25-May), significantly lower than the second
and third planting dates, which had 18.3% and 15.0% stalk rot, respectively (Table 3). There was no
significant difference among planting dates for the incidence of white mold as either head rot or base rot.