Full TGIF Record # 265692
Item 1 of 1
DOI:10.1016/j.scienta.2015.01.013
Web URL(s):http://www.sciencedirect.com/science/article/pii/S0304423815000230
    Last checked: 10/09/2015
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Głab, Tomasz; Szewczyk, Wojciech; Dubas, Ewa; Kowalik, Klaudia; Jezierski, Tomasz
Author Affiliation:Głab, Kowalik, and Jezierski: Institute of Machinery Exploitation, Ergonomics and Production Processes, University of Agriculture in Krakow; Szewczyk: Institute of Plant Production, University of Agriculture in Krakow; Dubas: The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Krakow, Poland
Title:Anatomical and morphological factors affecting wear tolerance of turfgrass
Source:Scientia Horticulturae. Vol. 185, March 30 2015, p. 1-13.
# of Pages:13
Publishing Information:Amsterdam, Elsevier
Keywords:TIC Keywords: Brinkman Traffic Simulator; Cool season turfgrasses; Cultivar evaluation; Cultivar variation; Leaf anatomy; Morphological evaluation; Percent living ground cover; Plant anatomy; Selective breeding; Shoot density; Turfgrass quality; Wear resistance
Abstract/Contents:"One of the main criterions in turfgrass breeding selection is good wear tolerance, which means the plant's ability to withstand forces that crush leaves, stems, crowns and roots. In the present study the relationship between the anatomical and morphological traits and wear tolerance of 37 cultivars of seven turfgrass species was investigated. The wear tolerance of turf was determined using a Brinkman traffic simulator during a field trial over a two-year period from 2012 to 2013. The experimental plots were established with three replications in a randomized block design. The anatomical and morphological characteristics of the above-ground part of grasses were analyzed. Based on the quantitative data obtained, a new index reflecting turf appearance, and in particular turf cover (TCI), quality (TQI) and shoot density (SDI) has been proposed. These new wear tolerance indexes created could be a very helpful and useful tool for breeding and research purposes. Standardized trait mean values were used to perform principal component and hierarchical cluster analysis. The relationship between leaf parameters and turf indexes was analyzed using multiple linear regression in a stepwise procedure. According to the TCI, the most wear-resistant cultivars were those of Lolium perenne, Ilso Nira and Oxiana (-0.04 in average). As turf quality was considered, all cultivars of L. perenne and Poa pratensis were characterized as high quality after BTS compaction with the TQI below 0.1. The shoot density of untreated turf cultivars varied in a wide range from 2.23 to 6.18 shoots per cm2. For most of the cultivars the BTS compaction reduced shoot density by 27% on average. The increase in the number of vascular bundles, leaf width, leaf cross-section area and leaf angle were associated with better wear tolerance. Wider leaves with a higher number of vascular bundles together with the higher angle between the leaf and tiller axis, improved the wear resistance. It was also observed that higher tillering does not favour wear tolerance. This information concerning the relationships between turf traits and wear tolerance is of use to the plant breeder as a tool for the selection of appropriate turfgrass cultivars."
Language:English
References:44
Note:Equations
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Głab, T., W. Szewczyk, E. Dubas, K. Kowalik, and T. Jezierski. 2015. Anatomical and morphological factors affecting wear tolerance of turfgrass. Scientia Horticulturae. 185:p. 1-13.
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DOI: 10.1016/j.scienta.2015.01.013
Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0304423815000230
    Last checked: 10/09/2015
    Access conditions: Item is within a limited-access website
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