Open Access Sunflower seed yield and quality stabilize across planting dates during hot, dry seasons under rainfed conditions in South Africa Phrasia Mapfumo, Emma Archer, Dirk Z.H. Swanevelder, Markus Wilken and Nicky M. Creux Published online: 24 avril 2026 DOI: https://doi.org/10.1051/ocl/2026010 AbstractFull HTMLPDF (2.143 MB)ePUB (3.890 MB)ReferencesSupplementary Material