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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/59/4/AJ0590040303
Last checked: 12/09/2016
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| Publication Type:
| Refereed |
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| Author(s): | Powell, A. J.;
Blaser, R. E.;
Schmidt, R. E. |
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| Author Affiliation: | Powell: Research Assistant; Blaser: Professor; Schmidt: Assistant Professor, Agronomy |
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| Title: | Physiological and Color Aspects of Turfgrasses with Fall and Winter Nitrogen |
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| Source: | Agronomy Journal. Vol. 59, No. 4, July/August 1967, p. 303-307. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Nitrogen fertilization; Autumn; Winter; Topgrowth; Clipping weight; Carbohydrate reserves; Respiration; Nitrogen; Agrostis stolonifera; Festuca arundinacea; Photosynthesis; Color; Physiology
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| Abstract/Contents: | "Fall and winter N fertilization was studied on bentgrass and fescue to investigate the possiblilty of maintaining green foliage during winter. Research also involved the effects of this N on top growth, reserve carbohydrates, and photosynthesis. Desirable turf color was maintained throughout the winter in Virginia latitudes without adverse physiological changes. Green foliage during winter was not the result of residual color from fall but was induced even during the coldest periods of winter. Although no measurable top growth occurred during winter, turf fertilized with high N was very dense. Reserve carbohydrates generally increased from fall to winter and then decreased slowly until spring when there were sharp declines. Stem carbohydrates varied from 44% dry matter in late fall or winter to 5% in spring. More carbohydrates were found in stems than in leaves and similar trends for sugar occurred in both separates. Higher N rates generally lowered the available carbohydrates, but the opposite was found with certain winter conditions. With determinations made on five dates, net photosynthesis appeared to be higher during winter than spring or summer; however, dark respiration increased with temperatures. Photosynthetis and respiration rates during winter or spring were increased with N fertilization." |
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| Language: | English |
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| References: | 26 |
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| See Also: | See also related article "[Comments on turfgrass research, 1967]" Golfdom: Incorporating Golf Business, 42(5) May 1968, p. 23-24, R=197272 R=197272 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J., R. E. Blaser, and R. E. Schmidt. 1967. Physiological and Color Aspects of Turfgrasses with Fall and Winter Nitrogen. Agron. J. 59(4):p. 303-307. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/59/4/AJ0590040303
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 22 .A45 |
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