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| Publication Type:
| Report |
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| Author(s): | Kenna, M. P.;
Barber, J. F.;
Curry, K. K. |
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| Author Affiliation: | Oklahome State University, Stillwater, OK |
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| Title: | Preemergence control of goosegrass on creeping bentgrass greens |
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| Section: | Weed control in turf, pasture, and rangeland
Other records with the "Weed control in turf, pasture, and rangeland" Section
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| Meeting Info.: | Nashville, Tennessee: January 16-18, 1989 |
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| Source: | Proceedings: Southern Weed Science Society. Vol. 42, 1989, p. 149. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Nine preemergence herbicides were evaluated for goosegrass [Eleusine indica (L.) Gaetn.] and prostrate spurge (Euphorbia maculata L.) control in creeping bentgrass (Agrostis palustris Huds.) maintained under golf green conditions at the Agriculture Experiment Station, Stillwater, Oklahoma. The soil texture was 95 percent sand, 3 percent organic matter, and 2 percent silt and clay. A soil test indicated a pH of 7.3, phosphorous at 96 kg ha-1, and potassium at 98 kg ha-1. Annual fertilization totaled 2920830188 kg ha-1 of N-P-K divided equally between March, April, May, September, October, and November. The experimental area was mowed (with clippings removed) at 4 mm six times per week during active growth. Irrigation was applied as needed to maintain adequate growing conditions. The experimental design was a randomized block replicated three times and the plot size was 0.8m by 1.8m in size. Preemergence herbicides evaluated included isoxaben + oryzalin (0.0, 0.56, 0.84, and 1.12 + 1.68 kg ha-1), prodiamine (0.84, 1.12, and 1.68 kg ha-1), MON 15172 (0.28, 0.56, 0.84, and 1.12 kg ha-1), MON 15151 (0.56, 0.84, 1.12, and 1.68 kg ha-1), benefin + oryzalin (1.12 + 1.12 kg ha-1), pendimethalin (3.36 kg ha-1), bensulide (3.36 kg ha-1), and oxadiazon (4.48 kg ha-1). on 21 April, sprayable formulations were applied using a gauged CO2 sprayer delivering a water carrier rate of 400 L ha-1 and granular formulations were applied with a shaker jar. The treatments were incorporated into the soil immediately after application by irrigation with 1.25 cm of water. Treatments were evaluated monthly for phytotoxicity (0 = no discoloration and 9 = dead turf) and annual grassy and broadleaf weed control (1 = no control and 9 = complete control) for three months. Evaluations made one month after treatment (MAT) indicated that all treatments containing oryzalin were phytotoxic to creeping bentgrass. Goosegrass and prostrate spurge did not appear in the experimental area until 7 July. At 3 MAT, all prodiamine treatments and MON 15172 (0.56 and 0.84 kg ha-1) provided good (>= 7) goosegrass control. Oxadiazon, pendimethalin, isoxaben + oryzalin ( 0.84, and 1.12 + 1.68 kg ha-1), and bensulide treatments resulted in fair (>= 5) goosegrass control, All isoxaben + oryzalin treatments provided good prostrate spurge control. All prodiamine, pendimethalin, and bensulide treamtents provided fair prostrate spurge control." |
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| Language: | English |
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| References: | 0 |
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| Note: | "Finding a common ground"
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kenna, M. P., J. F. Barber, and K. K. Curry. 1989. Preemergence control of goosegrass on creeping bentgrass greens. South. Weed Sci. Soc. Proc. 42:p. 149. |
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