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Publication Type:
| Proceedings |
Author(s): | Engel, Ralph E.;
Bussey, Conrad W. |
Author Affiliation: | Engel: Turfgrass Reasearch and Teaching, Cook College, Rutgers University, New Brunswick, New Jersey; Bussey: Head, Soils and Plants Technician, Cook College, Rutgers University, New Brunswick, New Jersey |
Title: | Crabgrass control in Kentucky bluegrass with preemerge herbicides |
Section: | Some research and technical releases on turfgrasses Other records with the "Some research and technical releases on turfgrasses" Section
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Meeting Info.: | 1975 |
Source: | Rutgers Turfgrass Proceedings 1976. 1976, p. 72-75. |
Publishing Information: | New Brunswick, NJ: Cook College and the New Jersey Agricultural Experiment Station, Rutgers University, In cooperation with the New Jersey Turfgrass Association |
# of Pages: | 4 |
Keywords: | TIC Keywords: Poa pratensis; Crabgrass control; Preemergence herbicides; Benfluralin; Bensulide; DCPA; Siduron; Trifluralin; Precipitation
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Abstract/Contents: | Application of herbicides on dry carriers were applied with a 3-foot drop spreader. Those applied in water were sprayed on with a CO2 knapsack sprayer at a rate of 40 gal of solution /acre. All treatments were replicated three times in a randomized block design, and all plots were spaced apart. Control and injury rating were obtained by estimates of three persons. Test was done on a mixed turf of Kentucky bluegrass (Poa pratensis). Both crabgrass species (D. sanguinalis and D. ischaemum) were overseeded in March of 1975. Turf was cut at 1 inch. Germination of crabgrass occurred in June with an abundance of rainfall aiding its growth. Results of control with standard and experimental herbicides were of the following. Among standard preemergence herbicides, bensulide gave excellent control. With benefin, DCPA and siduron their best control ratings were 27, 20, and 10%. The experimental types AM820 at 8lbs/A and RP17623 gave readings of 95 and 85%. Similar compounds to benefin: AM820 (butralin), RP17623 (oxadiazon), EL131, treflan and surflan gave 95, 66, 6, 41, and 71% control. HC22234, HC25893, and HC26910 showed no control. When benefin was applied on May 15 rather than April 25 control improved from 24% to 18%. When EL131 was applied at that time with increasing amounts nothing happened. Various preemergence chemicals react differently to water amounts to turf receive after application. |
Language: | English |
References: | 1 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Engel, R. E., and C. W. Bussey. 1976. Crabgrass control in Kentucky bluegrass with preemerge herbicides. p. 72-75. In Rutgers Turfgrass Proceedings 1976. 1975. New Brunswick, NJ: Cook College and the New Jersey Agricultural Experiment Station, Rutgers University, In cooperation with the New Jersey Turfgrass Association. |
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