Claim · model-written summary
Irrigation with ryegrass soak water lowered zoysiagrass root mass by up to 65%.
- Treatment
- irrigated with water in which perennial ryegrass leaves or roots at 5, 10, or 20 g·L –1 were previously soaked for 48 hourse0
- Interactor
- perennial ryegrass
Lolium perennee0weed - Outcome
- root masse0
- Direction
- lowere0
- Value
- 65%e0
ZoysiaNot reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“More than 50% fewer zoysiagrass seedlings emerged and root mass was up to 65% lower when irrigated with water in which perennial ryegrass leaves or roots at 5, 10, or 20 g·L –1 were previously soaked for 48 hours.”
Title
Alan J. Zuk; Jack D. Fry HortScience 2006. doi:10.21273/hortsci.41.3.818
Other claims from this paper (7)
- Intervention effect Ryegrass leaves at 12% soil weight reduced zoysiagrass seedling number by 20%.
- Intervention effect Ryegrass leaves at 23% soil weight reduced zoysiagrass seedling number by 26%.
- Intervention effect Ryegrass leaves at 12% soil weight reduced zoysiagrass root area and mass by 50%.
- Intervention effect A second soil amendment study found similar reductions regardless of glyphosate treatment of ryegrass.
- Observation Soil with ryegrass leaves at 12% weight had conductivity of 5.1 dS·m –1.
- Intervention effect Irrigation with ryegrass leaf or root soak water reduced zoysiagrass seedling emergence by more than 50%.
- Intervention effect Ryegrass root soak water lowered zoysiagrass leaf area, root length and root area.