Actualisation de la flore adventice des cépages du périmètre irrigué de la Moulouya

The actual situation, in comparison to that of 20 years ago, of the weed flora in the Moulouya perimeter vineyards shows important changes and a specific significative regression. The floristic, bioecologic and argonomic aspects of vineyards weed flora have been affected. The perennial such as Cynodon dactylon, Convolvulus arvensis, Cyperus rotundus and Sorghum halepense progressed more in crop rows in comparison with inter-rows. The species identified as resistant to herbicides like Conyza canadensis, Lolium rigidum, Galium aparine, Raphanus raphanistrum were established.