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dc.contributor.authorBoerner, R. E. J.
dc.contributor.authorScherzer, A. J.
dc.contributor.authorSturgis, B. G.
dc.date.accessioned2020-09-24T02:39:16Z
dc.date.available2020-09-24T02:39:16Z
dc.date.issued1990-01-01
dc.identifier.citationBoerner, R. E., Scherzer, A. J., & Sturgis, B. G. (1990). Responses of endophyte-bearing and endophyte-free varieties of Lolium perenne L. to fungicide treatment and simulated herbivory. Journal of Range Management, 43(1), 29-33.
dc.identifier.issn0022-409X
dc.identifier.doi10.2307/3899115
dc.identifier.urihttp://hdl.handle.net/10150/644917
dc.description.abstractThe effects of the presence of fungal endophytes, treatment with a systemic fungicide, and simulated herbivory on growth and biomass allocation were investigated in 2 varieties of perennial ryegrass (Lolium perenne): 'Repell', an endophyte-bearing variety, and 'Pennfine', a low-endophyte variety. In the absence of herbivory or fungicide there were no significant differences in the growth or pattern of biomass allocation between varieties. Treatment with the systemic fungicide benomyl reduced growth of both varieties by approximately 50% and reduced root growth more than shoot growth; fungicide effects were similar in the 2 varieties. Simulated herbivory reduced root growth more in endophyte-bearing Repell plants than in endophyte-free Pennfine plants, and root:shoot ratios of Repell plants were significantly lower than those of Pennfine plants following either moderate or severe herbivory. Statistically significant interactions between fungicide treatment and simulated herbivory were frequent in Repell plants but absent in Pennfine plants, suggesting that the fungicide had both direct phytotoxic effects and indirect effects mediated through the loss of endophytes by the Repell plants. While the proximate cost to seedlings bearing endophyte seemed small, the presence of the endophytes altered the allocation pattern of biomass following herbivory in such a way as to increase the probability of mortality.
dc.language.isoen
dc.publisherSociety for Range Management
dc.relation.urlhttps://rangelands.org/
dc.rightsCopyright © Society for Range Management.
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectvarieties
dc.subjectbenomyl
dc.subjectgrowth retardation
dc.subjectAcremonium lolii
dc.subjectLolium perenne
dc.subjectroots
dc.subjectshoots
dc.subjectgrowth rate
dc.subjectbiomass accumulation
dc.subjectdefoliation
dc.subjectgrazing
dc.subjectAcremonium
dc.subjectendophytes
dc.titleResponses of endophyte-bearing and endophyte-free varieties of Lolium perenne L. to fungicide treatment and simulated herbivory
dc.typetext
dc.typeArticle
dc.identifier.journalJournal of Range Management
dc.description.noteThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.
dc.description.collectioninformationThe Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information.
dc.eprint.versionFinal published version
dc.description.admin-noteMigrated from OJS platform August 2020
dc.source.volume43
dc.source.issue1
dc.source.beginpage29-33
refterms.dateFOA2020-09-24T02:39:16Z


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