Abstract
Although zoysiagrasses (Zoysia japonica Steud., Z. matrella (L.) Merr, and Z. tenuifolia Willd.) provide an excellent golf course fairway or tee surface, their use in areas of intense play may be limited because of their relatively slow recuperative potential. The objective of the following research was to identify zoysiagrass varieties with improved recuperative potential that may be adapted to such situations. Divot injury was simulated in 2003 and 2004 on 24 zoysiagrass varieties maintained under golf course fairway conditions. A digital image of each divot was collected on the day of injury and regularly thereafter until full recovery was reached. Divot images were analyzed for percent green turf cover using digital image analysis to quantify recovery percentages. In both years, 'Crown,' 'Palisades,' and 'Zorro' were among the fastest varieties to recover from injury. 'El Toro' had very rapid recovery in 2003, but not in 2004. 'Meyer' and 'Emerald' were consistently the slowest to recover from injury.
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