Fastlink to record 55995
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| Full TGIF Record # 55995 Item 1 of 1 |
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| Publication Type: | Refereed |
| Author(s): | Wiest, Steven C.; Fry, Jack D.; Upham, Ward S. |
| Author Affiliation: | Dept. Horticulture Forest and Recreation Research. Kansas State University, Manhattan, Kansas 66506, USA |
| Title: | Toward a photographic technique for quantitative evaluation of turfgrass stands: A preliminary study of spring green-up in Zoysia |
| Section: | Physiology and ecology: Contributed papers Other records with the "Physiology and ecology: Contributed papers" Section |
| Meeting Info.: | Sydney, Australia: 1997 |
| Source: | International Turfgrass Society Research Journal. Vol. 8, No. Part 1, 1997, p. 757-763. |
| Publishing Information: | Blacksburg, VA: International Turfgrass Society |
| # of Pages: | 7 |
| Keywords: | TIC Keywords: Photography; Color; Measurement; Techniques; Zoysia japonica; Spring green-up |
| Abstract/Contents: | "Digitisation of photographic images of turfgrass canopies is exploited as a means of quantifying colour ratings which are usually subjective. Specifically, photographs are taken parallel to the soil surface, prints are digitized with a flatbed scanner, and the images are manipulated on a computer to extract the hue-saturation-intensity colour parameters. These parameters can then be used to interpret colour changes occurring in a stand in a rigorous manner. We present the spring greenup of Zoysia japonica cv. Meyer as an example of the kind of data and level of precision that can be obtained with this technique. It is important to stress, however, that we foresee this as only part of a plethora of techniques that will eventually enable the quantification of turfgrass rating procedures." |
| Language: | English |
| References: | 5 |
| Note: | Figures |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Wiest, S. C., J. D. Fry, and W. S. Upham. 1997. Toward a photographic technique for quantitative evaluation of turfgrass stands: A preliminary study of spring green-up in Zoysia. Int. Turfgrass Soc. Res. J. 8(Part 1):p. 757-763. |
| Fastlink to access this record outside TGIF: | http://tic.lib.msu.edu/tgif/flink/RECNO/55995 |
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| MSU catalog number: | SB 433 .I52 v. 8 |
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