Effect of lignification of grapevine canes on bud frost hardiness during winter

agronomic characters anatomia anatomie anatomy bayas biological control biological development bourgeon breeding breeding aims buds climbers crops cultivos economic plants enredaderas fisiologia fonction physiologique fruit crops frutales grapevines lignification lutte biologique objetivo de mejoramiento pest control methods physiological functions physiologie physiology plant anatomy plantas plante plante de culture plante grimpante plants propagation materials resistance to injurious factors resistencia a la temperatura soft fruits temperature resistance vid vigne yema (planta)