Glyphosate<BR>Isopropylamine salt - Roundup Pro , GlyphoMate 41, Razor Pro, Prosecutor <BR>Ammonium salt - Roundup ProDry  <BR>Diammonium salt -  TouchDown Pro  <BR>foliage absorbed <BR>extensively translocated in phloem <BR>inhibits tryptophan, tyrosine and phenylalanine synthesis <BR>growth is impaired and plants die over 1 to 3 wk period <BR>