Wheat improvement project: annual report of 1987/1988; work plan for 1988/1989 [plant height in cm; dry matter yield (kg/ha); grain yield (kg/ha); 1000 kernel weight (g)]

caracteres de rendimiento composante de rendement cosecha crossbreds date de plantation essai fitomejoramiento harvesting lluvia plant breeding planting date pluie productos del cruzamiento produit de croisement pruebas rain resistencia a la temperatura selection temperature resistance trials triticum aestivum triticum durum variedades varieties yield components