Full TGIF Record # 324969
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/146079
    Last checked: 01/26/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Baird, James H.; Bindi, Valentina; Glegola, Sandra; Orlinski, Pawel; Pudzianowska, Marta
Author Affiliation:Baird: Presenting Author and University of California-Riverside; Bindi, Glegola and Pudzianowska: University of California-Riverside
Title:Evaluation of products to alleviate irrigation salinity stress on annual bluegrass putting greens
Section:Turfgrass and water conservation and management poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 146079.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Annual bluegrass (Poa annua) is the dominant species on putting greens in California. Salinity stress from either recycled irrigation water or accumulation of salts in a Mediterranean climate is especially injurious to this species on intensively managed surfaces. The objective of this study was to evaluate 26 products applied alone or in combination for their ability to alleviate stress caused by saline irrigation water (4.4 dSm-1) on a sand-based annual bluegrass 'Two Putt' putting green. Treatments were applied at weekly to monthly intervals prior to introduction of saline irrigation water. In addition to subjective ratings, DIA, NDVI, soil VMC and EC, and complete soil analyses were recorded during the study. During the first half of the study, treatments containing mostly nutrients and biostimulants produced the best turf quality and density in response to salinity and drought stress. Unexpected extremely high temperatures followed by rainfall in higher than normal humidity resulted in outbreak of rapid blight disease caused by Labyrinthula terrestris in plots of most all treatments except for the fungicides. At the end of the study, mefentrifluconazole + pyraclostrobin and penthiopyrad + potassium phosphite + pigment produced the highest turf density and quality. None of the treatments reduced salinity in the upper 10 cm of the rootzone. Results of this and previous research conducted by our program point toward sufficient or even elevated fertility as being most important for alleviating salinity stress as long as disease pressure in minimal. We also continue to substantiate that penthiopyrad, acibenzolar, and potassium phosphite + pigment have activity against rapid blight disease, possibly indicating that different biotype(s) of the pathogen exist in California."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baird, J. H., V. Bindi, S. Glegola, P. Orlinski, and M. Pudzianowska. 2022. Evaluation of products to alleviate irrigation salinity stress on annual bluegrass putting greens. Agron. Abr. p. 146079.
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    Last checked: 01/26/2023
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