Seedling alfalfa treatment stage.

Illustration of Growth stages alfalfa.  Later trifoliate leaves (third, fourth, fifth, etc.) follow the pattern established by the first and second. Credit: Canevari, W. M. et. al. 2002. <i>Postemergence Weed Control in Seedling Alfalfa and Phytotoxicity Symptoms,</i> UC ANR Publication 21615.
Credit: Canevari, W. M. et. al. 2002. Postemergence Weed Control in Seedling Alfalfa and Phytotoxicity Symptoms, UC ANR Publication 21615.