@article{rodrigues_lhamby_didonet_marchese_2007,  title={Fifty years of wheat breeding in Southern Brazil: yield improvement and associated changes},  volume={42},  ISSN={0100-204X},  url={https://doi.org/10.1590/S0100-204X2007000600008},  DOI={10.1590/S0100-204X2007000600008},  number={6},  journal={Pesquisa Agropecuária Brasileira},  publisher={Embrapa Secretaria de Pesquisa e Desenvolvimento; Pesquisa Agropecuária Brasileira},  author={Rodrigues, Osmar and Lhamby, Julio César Barreneche and Didonet, Agostinho Dirceu and Marchese, José Abramo},  year={2007},  month={Jun},  pages={817–825} }