Prolonged drought and recovery responses of Kentucky bluegrass and ornamental groundcovers

dc.citation.epage1215en_US
dc.citation.issue9en_US
dc.citation.jtitleHortScienceen_US
dc.citation.spage1209en_US
dc.citation.volume48en_US
dc.contributor.authorDomenghini, Jacob C.
dc.contributor.authorBremer, Dale J.
dc.contributor.authorFry, Jack D.
dc.contributor.authorDavis, Gregory L.
dc.contributor.authoreidbremeren_US
dc.contributor.authoreidjfryen_US
dc.contributor.authoreidgdavisen_US
dc.date.accessioned2014-01-10T17:02:25Z
dc.date.available2014-01-10T17:02:25Z
dc.date.issued2014-01-10
dc.date.published2013en_US
dc.description.abstractMunicipalities often restrict irrigation of urban landscapes, causing plants to experience drought stress. Few data are available regarding drought resistance of non-turfgrass landscape species. This study evaluated the performance of one turfgrass (Poa pratensis L. ‘Apollo’) and eight herbaceous landscape species (Achillea millifolium L., Ajuga reptans L. ‘Bronze Beauty’, Liriope muscari Decne., Pachysandra terminalis Siebold and Zucc., Sedum album L., Thymus serpyllum L., Vinca major L., and Vinca minor L.) during a severe drydown and subsequent recovery. This greenhouse study was conducted in the spring/summer and again in the fall of 2010. S. album performed the best, averaging 254 days to decline to a drought rating of 1 (1 to 9 scale, 1 = dead/dormant and 9 = best quality). L. muscari and P. terminalis also performed well, averaging 86 days to a drought rating of 1. V.minor and V.major declined faster than the previous species, averaging 63 days. A. millifolium, A. reptans, P. pratensis, andT. serpyllum declined the fastest to a drought rating of 1 (mean 52 days). Thereafter, the only species to recover after 60 days of resuming irrigation were P. pratensis [46% pot cover (PC)], S. album (38% PC), and V.major (35% PC) in the spring/summer study; no species recovered during the fall study. Results indicate S. album, L. muscari, and P. terminalis are the most drought-resistant among the species evaluated in landscapes where severe drought may occur. V. minor and V. major are good selections in less severe droughts as is P. pratensis if periods of dormancy are acceptable.en_US
dc.identifier.urihttp://hdl.handle.net/2097/17039
dc.language.isoen_USen_US
dc.relation.urihttp://hortsci.ashspublications.org/content/48/9/1209.fullen_US
dc.rightsPermission to archive granted by the American Society for Horticultural Science, December 2, 2013.en_US
dc.subjectDrought resistanceen_US
dc.subjectDrought resistanten_US
dc.subjectNursery and landscape plantsen_US
dc.subjectSevere droughten_US
dc.subjectWater restrictionsen_US
dc.subjectKentucky bluegrassen_US
dc.titleProlonged drought and recovery responses of Kentucky bluegrass and ornamental groundcoversen_US
dc.typeArticle (publisher version)en_US

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