Temperature and dates of male meiosis in trees

abies abies balsamea abies lasiocarpa alnus arbre arbre brise-vent arbre pour bois de construction betula betulaceae cell division conifere conifers corylaceae corylus crops cultivos dicotiledoneas dicotyledons division cellulaire economic plants escandinavia europa europe fagales fisiologia fonction physiologique fruit crops frutales gimnospermas gum plants gymnosperme gymnosperms industrial crops larix larix decidua larix gmelinii larix sibirica meiose meiosis nut crops ornamental plants ornamental trees physiological functions physiologie physiology picea picea abies pinaceae pinus pinus sylvestris plantas plantas de nueces plantas industriales plantas ornamentales plantas protectoras plante plante de culture plante de protection plante industrielle plante ornementale plante pour construction plants protective plants scandinavia scandinavie structural crops temps tiempo timber trees time timing trees windbreak trees