Why Are Weed Scientists So Uncomfortable?<BR>Physical drift, drift, drift (10 of 10 are concerned) <BR>2. Tank contamination <BR>3. Volatility <BR>4. Donít provide complete pigweed control <BR>5. Concern over cost of technology <BR>6. Potential development of resistance <BR>7. Accidental application to non-resistant cultivars <BR>8. Attempting to control weeds too large<BR>