Treatment | Weed controlz (% of control) | |||||
---|---|---|---|---|---|---|
Crabgrassy | Broadleaf perennialsx | Total weedsw | ||||
Count 1 | Count 2 | Count 1 | Count 2 | Count 1 | Count 2 | |
Check | 0.0 a | 0.0 a | 0.0 a | 0.0 a | 0.0 a | 0.0 a |
Glyphosate | 0.0 a | 31.5 a | 74.2 c | 50.0 a | 4.9 a | 23.2 a |
Paraquat | 0.0 a | 23.7 b | 57.0 b | 0.0 a | 17.8 a | 12.6 a |
Simazine + Diphenamid | 97.0 b | 80.4 c | 78.9 c | 0.0 a | 92.3 b | 60.1 b |
Glyphosate + Simazine + Glyposate | 98.4 b | 80.4 c | 99.2 c | 100.0 a | 98.2 b | 78.5 b |
Paraquat + Simazine + Diphenamid | 99.9 b | 83.1 c | 94.5 c | 50.0 a | 98.0 b | 75.3 b |
↵z Mean separation in columns by Duncan’s multiple range test, 5% level.
↵y Percent control based on 2249.7 individual crabgrass plants in count 1 and 265.7 individual plants in count 2 per square m.
↵x Percent control based on 91.4 individual broadleaf perennials in count 1 and 1.4 individual plants count 2 per square m. Curly dock (Rumex crispus L.) and clover (Trifolium repens L) were the primary broadleaf perennial weed species.
↵w Percent control based on 2382.1 total weeds in count 1 and 295.7 total weeds in count 2 per square m.