SP report, 20: Varieties of Brussel sprouts

brassica oleracea gemmifera cold cosecha cosechadoras crop yield cultivos de invierno culture d'hiver danemark denmark dinamarca disease resistance ensayo erysiphe flaveur flavour frio froid harvesters harvesting keeping quality mechanical methods mildews mildiou oidium mildiu plant condition rendement des cultures rendimiento de cultivos resistencia a la enfermedad resistencia a la temperatura sabor temperature resistance testage testing variedades varieties winter crops