Comparative studies for the effect of Laser and gamma rays combined with certain antibiotic on growth and yield of Ammi visnaga, L.

ammi visnaga carbohydrate content chemical composition composition chimique contenido de carbohidratos crecimiento croissance crop yield estreptomicina gamma irradiation growth irradiation gamma laser radiation lipide lipids preplanting treatment rayonnement laser rendement des cultures rendimiento de cultivos seed treatment streptomycin streptomycine teneur en glucides traitement des semences tratamiento anterior a la siembra tratamiento de semillas