Palmer amaranth seedbank  it is the key!<BR>YEAR 1:  5 Palmer females escape <BR>Produce 2,000,000 seeds in cotton (50% germ) <BR>  <BR>YEAR 2: <BR>Weed program = 99.9% control <BR>1,000 plants per acre left at harvest <BR>400 female plants/A <BR>160,000,000 seeds produced in cotton (50%) <BR>  <BR>YEAR 3: <BR>Weed program 99.9% control <BR>80,000 plants per acre left at harvest <BR>32,000 female plants/A = 1.28 X 1010 seed/A<BR>