Al treatments of Atrazine applied postemergence.

TA 3. Activity of selected herbicide treatments on earl millet and weeds in a no-till system.

 Quincy, FL 1993


 Percent Control
 Rate Percent Yield
 Treatment lb/A Grass Broadleaf injury lb/A

 Atrazine' 1.5 94 100 7 2720
 Atrazine 2.0 90 100 11 2819
 Atrazine* 1.5 95 99 17 2641
 Atrazine* 2.0 94 100 25 3087
 Dual + 2,4-D 1.0 + 0.5 98 93 83 1971
 Dual + 2,4-D 1.5 + 0.5 89 96 96 1199
 Dual + 2,4-D 2.0 + 0.5 98 90 97 509
 Ramrod + 2,4-D 3.0 + 0.5 98 85 45 2173
 Ramrod + 2,4-D 4.5 + 0.5 94 83 44 1823
 Prowl + 2,4-D 0.5 + 0.5 95 97 16 3066
 Prowl + 2,4-D 0.75 + 0.5 98 100 13 3382
 Dual + Atrazine* 1.0 + 1.0 98 99 89 1892
 Dual + Atrazine* 1.5 + 1.0 100 97 97 1001
 Ramrod + Atrazine* 3.0 + 1.0 98 97 31 2103
 Ramrod + Atrazine* 4.5 + 1.0 98 100 76 2319
 Prowl + Atrazine* 0.5 + 1.0 99 97 10 2348
 Prowl + Atrazine* 0.75 + 1.0 100 97 14 2678
 Hand weed check 100 100 0 2807
 Non-treated 0 0 0 2785
 Non-treated 0 0 0 2799
 LSD (0.05) 7 5 7 322

*Crop oil concentrate at 1 qt/A.
'All treatments of Atrazine applied postemergence.

TABLE 4. Activity of selected herbicide treatments on pearl millet and weeds in conventional seedbed.