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| DOI: | 10.21273/HORTTECH04938-21 |
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| Web URL(s): | https://journals.ashs.org/horttech/view/journals/horttech/31/6/article-p817.xml
Last checked: 03/04/2022
https://journals.ashs.org/horttech/downloadpdf/journals/horttech/31/6/article-p817.xml
Last checked: 03/04/2022
Requires: PDF Reader
Notes: Direct download |
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| Publication Type:
| Refereed |
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| Author(s): | Chhetri, Manoj;
Fontanier, Charles |
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| Author Affiliation: | Chhetri: Department of Horticulture and Natural Resources, Kansas State University, Manhattan, KS; Fontanier: Department of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK |
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| Title: | Use of Canopeo for estimating green coverage of bermudagrass during postdormancy regrowth |
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| Section: | Reports
Other records with the "Reports" Section
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| Source: | HortTechnology. Vol. 31, No. 6, December 2021, p. 817-819. |
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| Publishing Information: | Alexandria, Virginia: American Society for Horticultural Science |
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| # of Pages: | 3 |
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| Keywords: | Author-Supplied Keywords: Colorants; Cynodon dactylon; Digital image analysis; Smartphone; Spring green-up
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| Abstract/Contents: | "Objective methods of estimating green coverage using digital image analysis have been used increasingly by turfgrass scientists. The objective of our research was to evaluate the effectiveness of Canopeo, a relatively new smartphone application, for estimating green coverage of bermudagrass (Cynodon dactylon) emerging from winter dormancy, with or without colorants. A field study was conducted on a research 'U3' bermudagrass fairway in Stillwater, OK, during Spring 2019 and 2020. The experiment was conducted as a randomized complete block design with three colorant treatments: Endurant Fairway (FW), Endurant Perennial Ryegrass (PR), and an untreated control. Green coverage of the turfgrass canopy was determined weekly from mid-March to early May using a digital camera and ImageJ software, and a smartphone and the Canopeo application. Green coverage estimates from Canopeo correlated strongly (r = 0.91) with those from ImageJ when no colorants were applied. Correlation between Canopeo and ImageJ was diminished under plots treated with colorants. Canopeo is an effective tool for estimating green coverage of living turfgrasses, but additional calibration may be required for acceptable performance when evaluating greenness of colorant-treated turfgrasses." |
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| Language: | English |
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| References: | 17 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chhetri, M, and C. Fontanier. 2021. Use of Canopeo for estimating green coverage of bermudagrass during postdormancy regrowth. HortTechnology. 31(6):p. 817-819. |
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| DOI: 10.21273/HORTTECH04938-21 |
| Web URL(s):
https://journals.ashs.org/horttech/view/journals/horttech/31/6/article-p817.xml
Last checked: 03/04/2022
https://journals.ashs.org/horttech/downloadpdf/journals/horttech/31/6/article-p817.xml
Last checked: 03/04/2022
Requires: PDF Reader
Notes: Direct download |
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MSU catalog number: b2917674a |
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