Full TGIF Record # 63109
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Mcdade, M. C.; Bingaman, B. R.; Christians, N. E.
Author Affiliation:Iowa State University
Title:Corn gluten hydrolysate for weed control in turfgrass
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 128.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Corn gluten hydrolysate; Weed control; Preemergence weed control; Preemergence herbicides; Seed germination; Application rates; Humic acid; Horticultural oils; Crabgrass control
Abstract/Contents:"Corn gluten hydrolysate has been identified as a natural preemergent herbicide in greenhouse studies. The objectives of this study were to identify rates of hydrolysate that reduce seed germination in the greenhouse, and then to determine hydrolysate rates for crabgrass (Digitaria spp.) control in turf in the field. An additional objective was to test humic acid and soybean oil for their capacity to enhance the herbicidal activity of the hydrolysate. Hydrolysate was applied at 0 to 400 g·m⁻², humic acid from 0 μl·m⁻² to 5 ml·m⁻², and soybean oil from 0 to 230 μl·m⁻² in greenhouse studies with perennial ryegrass (Lolium perenne L.). Hydrolysate rates of 0, 100, 200, and 400 g·m⁻² reduced seedling survival 15, 15, 35 and 70%, respectively. In field studies conducted in a mature stand of Kentucky bluegrass (Poa pratensis L.), hydrolysate was applied at 0 to 200 g·m⁻², humic acid from 0 μl·m⁻² to 4.1 ml·m⁻², and soybean oil from 0 to 230 μl·m⁻². Hydrolysate at 200 g·m⁻² reduced crabgrass 69% and produced the best visual quality as compared with the control. Neither humic acid nor soybean oil affected the performance of the hydrolysate in the greenhouse and field studies."
Note:This item is an abstract only!
See Also:Other items relating to: Biostimulants
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mcdade, M. C., B. R. Bingaman, and N. E. Christians. 1999. Corn gluten hydrolysate for weed control in turfgrass. Annu. Meet. Abstr. 91:p. 128.
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