Proteomic data from leaves of twenty-four sunflower genotypes under water deficit Thierry Balliau, Harold Duruflé, Nicolas Blanchet, Mélisande Blein-Nicolas, Nicolas B. Langlade and Michel Zivy OCL, 28 (2021) 12 Published online: 10 February 2021 DOI: 10.1051/ocl/2020074