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| Publication Type:
| Refereed |
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| Author(s): | McDade, M. C.;
Christians, N. E. |
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| Author Affiliation: | Department of Horticulture, Iowa State University, Ames, IA |
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| Title: | Corn gluten hydrolysate crabrgass (Digitaria spp.) control in turf |
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| Section: | Turfgrass weeds
Other records with the "Turfgrass weeds" Section
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| Meeting Info.: | Toronto, Ontario, Canada: July 2001 |
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| Source: | International Turfgrass Society Research Journal. Vol. 9, No. Part 2, 2001, p. 1026-1029. |
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| Publishing Information: | Oakville, Ontario, Canada: International Turfgrass Society |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Corn gluten hydrolysate; Crabgrass control; Weed control; Preemergence herbicides; Humic acid; Soybean meal; Application rates; Lolium perenne; Poa pratensis; Percent living ground cover
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| Abstract/Contents: | "Concern over the long-term ecological effects of synthetic agricultural chemicals has led to increased efforts in the search for natural weed control products. Corn gluten hydrolysate (CGH) has been identified as a preemergence herbicide in greenhouse studies. The objectives of this study were to test humic acid and soybean oil for their capacity to improve the herbicidal and fertilization activity of CGH and to investigate CGH for crabgrass (Digitaria spp.) control in turf in the field. We used CGH at rates of 0, 100, 200, and 400 g m-2, humic acid at 0, 0.93, 1.9, 3.7, and 7.5 ml m-2, and soybean oil at 0, 58, 120, 180, and 230 ml m-2 in greenhouse studies with seeds of perennial ryegrass (Lolium perenne L.). In the field, four rates of CGH (0, 50, 100, and 200 g m-2), humic acid (0, 0,093, 1.9, and 4.1 ml m-2), and soybean oil (0, 59, 120, and 230 ml m-2) were applied to a mature stand of Kentucky bluegrass (Poa pratensis L.). Neither humic acid nor soybean oil affected the performance of CGH in either study. In the greenhouse study, ryegrass seedling survival was decreased by 0, 24, and 65% compared with the control at CGH rates of 100, 200, and 400 g m-2, respectively. In the field study, plots treated with 200 g CGH per m2 had the highest visual quality compared with the control in both field studies. Corn gluten hydrolysate has the potential to be used as a natural weed control fertilizer product in turfgrass, but its activity is not enhanced by humic acid or soybean oil." |
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| Language: | English |
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| References: | 25 |
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| See Also: | Other items relating to: Biostimulants |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McDade, M. C., and N. E. Christians. 2001. Corn gluten hydrolysate crabrgass (Digitaria spp.) control in turf. Int. Turfgrass Soc. Res. J. 9(Part 2):p. 1026-1029. |
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