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Anthracnose severity influenced by cultural management of annual bluegrass putting green turf

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TypeOfResource
Text
TitleInfo (ID = T-1)
Title
Anthracnose severity influenced by cultural management of annual bluegrass putting green turf
SubTitle
PartName
PartNumber
NonSort
Identifier
ETD_1471
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051021
Language (objectPart = )
LanguageTerm (authority = ISO639-2); (type = code)
eng
Genre (authority = marcgt)
theses
Subject (ID = SBJ-1); (authority = RUETD)
Topic
Plant Biology
Subject (ID = SBJ-2); (authority = ETD-LCSH)
Topic
Bluegrasses--Diseases and pests--Control
Subject (ID = SBJ-3); (authority = ETD-LCSH)
Topic
Turf management
Subject (ID = SBJ-4); (authority = ETD-LCSH)
Topic
Golf courses--Maintenance
Abstract
Anthracnose (Colletotrichum cereale Manns sensu lato Crouch, Clarke, and Hillman) has become a devastating disease of annual bluegrass [Poa annua L. f. reptans (Hausskn) T. Koyama] putting green turf over the past 15 years. Factors responsible for the increased incidence and severity of anthracnose epiphytotics are not well understood, although speculation has focused on the influence of cultural practices on this disease. Six field trials were conducted from 2003 to 2007 to evaluate effects of cultural practices on anthracnose severity of annual bluegrass putting green turf in factorial arrangements. Nitrogen fertilization, mowing height and topdressing practices provided the most consistent and greatest influence on disease. Nitrogen applied from May through September at 4.9 kg ha-1 every 7 d reduced anthracnose severity 5 to 24% compared to the same rate applied every 28 d. Mowing at 3.6 mm reduced disease 3 to 21% compared to 2.8 mm, while 3.2 mm had intermediate disease severity. Mowing frequency (7 vs. 14 times wk-1) had little effect on anthracnose. Sand topdressing applied every 7 d at 0.3 L m-2 and 14 d at 0.6 L m-2 reduced anthracnose severity compared to no topdressing or similar rates applied less often, although greater rates applied less often (i.e., 21 d at 1.2 Lm-2) provided comparable results. Topdressing with sub-angular sand occasionally reduced anthracnose more than rounded sand. Lightweight rolling every other day reduced disease severity 5 to 6% under moderate disease pressure. The plant growth regulators trinexapac-ethyl, mefluidide and ethephon had inconsistent effects on anthracnose severity; however these materials typically did not increase disease and in some cases reduced it. For example, the combination of 7 d N fertilization, mefluidide and trinexapac-ethyl application occasionally reduced disease more than each factor alone. Also, trinexapac-ethyl applied at shorter intervals (7 vs. 14 d) and increased rate (0.08 vs. 0.05 kg a.i. ha-1) reduced anthracnose when disease severity was high. Cultural practices that may wound turf (e.g., verticutting and brushing) had little effect on anthracnose. These results provide the foundation for the development of best management practices to minimize anthracnose severity of annual bluegrass putting green turf.
PhysicalDescription
Form (authority = gmd)
electronic resource
Extent
xxiv, 228 p. : ill.
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application/pdf
InternetMediaType
text/xml
Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references.
Note (type = statement of responsibility)
by John C. Inguagiato
Name (ID = NAME-1); (type = personal)
NamePart (type = family)
Inguagiato
NamePart (type = given)
John C.
Role
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author
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John C. Inguagiato
Name (ID = NAME-2); (type = personal)
NamePart (type = family)
Clarke
NamePart (type = given)
Bruce
Role
RoleTerm (authority = RULIB); (type = )
chair
Affiliation
Advisory Committee
DisplayForm
Bruce B. Clarke
Name (ID = NAME-3); (type = personal)
NamePart (type = family)
Murphy
NamePart (type = given)
James
Role
RoleTerm (authority = RULIB); (type = )
co-chair
Affiliation
Advisory Committee
DisplayForm
James A. Murphy
Name (ID = NAME-4); (type = personal)
NamePart (type = family)
Huang
NamePart (type = given)
Bingru
Role
RoleTerm (authority = RULIB); (type = )
internal member
Affiliation
Advisory Committee
DisplayForm
Bingru Huang
Name (ID = NAME-5); (type = personal)
NamePart (type = family)
Baird
NamePart (type = given)
James
Role
RoleTerm (authority = RULIB); (type = )
outside member
Affiliation
Advisory Committee
DisplayForm
James H. Baird
Name (ID = NAME-1); (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB); (type = )
degree grantor
Name (ID = NAME-2); (type = corporate)
NamePart
Graduate School - New Brunswick
Role
RoleTerm (authority = RULIB); (type = )
school
OriginInfo
DateCreated (point = ); (qualifier = exact)
2009
DateOther (qualifier = exact); (type = degree)
2009-01
Location
PhysicalLocation (authority = marcorg)
NjNbRU
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Identifier (type = doi)
doi:10.7282/T3PN95W0
Genre (authority = ExL-Esploro)
ETD doctoral
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Copyright
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Availability
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Open
RightsEvent (AUTHORITY = rulib); (ID = 1)
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Detail
Non-exclusive ETD license
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License
Name
Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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application/pdf
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application/x-tar
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2232320
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