The principal ecogeographical groups in French grapevines assortment

The principal ecogeographical groups in French grapevines assortment

Blog Article

The natural french grapevine varieties assortment has been reduced during the welding mirror with magnet recent years because of many factors, principally the post-phylloxeric reconstitution, the rationalisation of the production and the varietal and clonal selections.Before a still more important reduction is to be made it is necessary to give a classification of french autochton cultivars based on ecogeographical groups or sortotypes.These works keep classic genetic interest in possible crossings : less two tone woven basket inbreeding, more heterosis.Besides they enable a better approach of modern classifications based on biochemistry or atomic physics, pigments, enzymes, tracers, and so on, so as to confirm or infirm botanic results.