Grasses in agriculture - Part 2, biology of grasses

adaptation agricultura agriculture biologia biologie biology citologia clima climat climate collection botanique crecimiento croissance cytologie cytology ecologia ecologie ecology fauchage fisiologia vegetal fotoperiodismo genetic variation geographical distribution germination gramineas graminee grasses grasslands grazing growth herbage hybridization introduction de plantes mowing multiplication des plantes pastoreo photoperiodicity plant breeding plant collections plant introduction plant physiology plant propagation plant response poaceae polyploidy praderas progeny testing pruebas de descendencia respuesta de la planta selection siega species