The impact of planting dates and hybrid selection on sunflower seed yield and oil content

Figures & data

Figure 1: Monthly rainfall (mm), maximum air temperature (T_max), and minimum air temperature (T_min) (°C) recorded during the three growing seasons: (a) 2018/2019, (b) 2019/2020, and (c) 2020/2021 with three planting dates (D1) October and November planting, (D2) December planting, and (D3) January and February planting at Potchefstroom Research Farm, South Africa

Table 1: Physical and chemical properties of the soil of the study site during the three cropping seasons

Table 2: Characteristics of the commercial sunflower hybrids used in this study

Table 3: Mean seed yield, oil content and oil yield of the tested sunflower hybrids at different planting dates over three growing seasons

Table 4: Combined analysis of variance and mean square values for seed yield, oil content and oil yield of 16 sunflower hybrids planted on three different planting dates over three growing seasons

Table 5: Seed yield, oil content and oil yield for 16 sunflower hybrids evaluated on three different planting dates over three growing seasons

Data availability

Data is available on request.