REGENERATION OF TRANSGENIC PLANTS FROM PROTOPLASTS OF ALFALFA (Medicago sativa L. )

Alfalfa (Medicago sativa L. ) is one of the perennial forage legumes with high yield and rich nutrients most widely distributed in the world, and is one of the most important forage legumes in China. However, some characteristics of alfalfa plants such as deficiency of sulfur amino acid need to be improved. The quantity of sulfur amino acid relates to the nutrition of animals, and is positively related to the wool yield of animals. It has been reported