Africa HF5001-6182 S1-972 SB1-1110 breeding programmes breeding programs cultivars cultivated varieties demand genetic improvement plant breeding private sector productivity profitability public sector seeds bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJH Entrepreneurship bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PST Botany & plant sciences::PSTL Plant reproduction & propagation bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJH Entrepreneurship / Start-ups thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PST Botany and plant sciences thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science