Characterization of Colletotrichum isolates causing Colletotrichum dieback of citrus in California (Record no. 53855)

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fixed length control field 02701nam a2200313Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625162436.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-19735
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245 10 - TITLE STATEMENT
Title Characterization of Colletotrichum isolates causing Colletotrichum dieback of citrus in California
490 0# - SERIES STATEMENT
Volume/sequential designation PhytoPathology, 112(7), p.1454-1466, 2022
520 3# - SUMMARY, ETC.
Summary, etc. Dieback caused by Colletotrichum spp. is an emerging disease in California citrus groves. A large-scale survey with emphasis on seasonal variations of latent infections was conducted throughout citrus orchards in Fresno, Kern, and Tulare counties in 2019 and 2020. Latent infections on citrus leaves and twigs varied markedly between years. Isolates of Colletotrichum spp. were obtained from asymptomatic tissue, and two groups were formed based on colony and spore morphology. The morphological groups were further identified based on multigene sequence analysis using the DNA regions ITS1-5.8S-ITS2, TUB2, and GAPDH. Results revealed that isolates belong to two phylogenetic species, C. gloeosporioides and C. karstii, being C. karstii more frequently isolated. Representative isolates of each species were further selected and characterized based on the response of physiological variables to temperature. Both species had similar optimum growth temperatures but differed in maximum growth rates, with C. gloeosporioides exhibiting a greater growth rate than that of C. karstii on media. Pathogenicity tests on citrus trees demonstrated the ability of C. gloeosporioides and C. karstii to cause lesions on twigs and no differences in aggressiveness. A fungicide screening performed in this study determined that the DMI fungicides were the most effective in reducing the mycelial growth of C. gloeosporioides and C. karstii. The QoI fungicides showed a remarkably inhibitory impact on spore germination of both species. On average, C. karstii was more sensitive to the DMI fungicides than C. gloeosporioides. The findings of this study provide new information to understand the Colletotrichum dieback of citrus.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ANTHRACNOSE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FUNGICIDE SENSITIVITY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MANDARIN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ORANGE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PATHOGENICITY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PHYLOGENETIC ANALYSIS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SURVEY
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Camiletti, B. X.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Lichtemberg, P. S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Paredes, J. A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Carraro, T. A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Velascos, J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Michailides, T. J.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1Cw0NdnQHjYmx954C4YZ9adjvkFBGg1XC/view?usp=drivesdk">https://drive.google.com/file/d/1Cw0NdnQHjYmx954C4YZ9adjvkFBGg1XC/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
Koha item type Documentos solicitados
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-19735 25.06.2025 25.06.2025 Documentos solicitados