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| DOI: | 10.1002/cft2.20257 |
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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.1002/cft2.20257
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| Publication Type:
| Refereed |
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| Author(s): | Chhetri, Manoj;
Fry, Jack D.;
Kennelly, Megan M. |
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| Author Affiliation: | Chhetri: University of Missouri Extension-Daviess County, Gallatin, Missouri; Fry: Olathe Horticulture Research and Extension Center, Kansas State University, Olathe, Kansas; Kennelly: Department of Plant Pathology, Kansas State University, Manhattan, Kansas |
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| Title: | Using ethephon for seedhead suppression of 'KSUZ 0802' (Innovation) zoysiagrass |
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| Section: | Applied turfgrass science
Other records with the "Applied turfgrass science" Section
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| Source: | Crop, Forage and Turfgrass Management. Vol. 9, No. 2, December 2023, p. e20257 [1-9]. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy and Crop Science Society of America |
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| # of Pages: | 9 |
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| Abstract/Contents: | "'KSUZ 0802' zoysiagrass (Innovation zoysiagrass, Zoysia matrella × Z. japonica) is a new cultivar that provides a high-quality playing surface on golf course fairways and tees. However, seedheads produced in late spring disrupt the playing surface. The plant growth regulator (PGR) ethephon has produced variable results in prior studies in suppressing zoysiagrass seedheads, and information for KSUZ 0802 is lacking. A two-year field experiment was conducted from 20192021 in Manhattan, KS, to assess the performance of ethephon (Proxy) on seedhead suppression of KSUZ 0802 zoysiagrass. Treatments included ethephon applied in a single application at 5 fl. oz. 1000 ft-2 on multiple dates between August and November. Seedhead suppression was determined by counting seedheads in late spring. Ethephon applied in September provided >60% seedhead suppression; however, when applied during other months, variations were large between the two study years. Applying ethephon when accumulated cooling degree days (68°F base) were <37 resulted in >70% seedhead suppression, except for application on September 25, 2019. Late August ethephon applications, despite achieving good seedhead suppression (ranging from 54 to 80%), caused transient yet commercially unacceptable injury to KSUZ 0802 in both years. Application timing affected turf quality in late spring as KSUZ 0802 with fewer seedheads had better quality post-mowing, but no effect on spring greenup was observed. Ethephon can be an effective PGR for seedhead suppression in KSUZ 0802 zoysiagrass. However, careful consideration of application timing is essential as applying ethephon in late summer or late autumn can produce undesirable results." |
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| Language: | English |
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| References: | 22 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chhetri, M., J. D. Fry, and M. M. Kennelly. 2023. Using ethephon for seedhead suppression of 'KSUZ 0802' (Innovation) zoysiagrass. Crop, Forage and Turfgrass Management. 9(2):p. e20257 [1-9]. |
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| DOI: 10.1002/cft2.20257 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.1002/cft2.20257
Last checked: 01/18/2024
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/cft2.20257
Last checked: 01/18/2024
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/cft2.20257
Last checked: 01/18/2024
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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