NDLI: Morphological, pathological and genetic diversity of Colletotrichum species responsible for anthracnose in papaya (Carica papaya L)

Content Provider	Springer Nature Link
Author	Torres Calzada, Claudia Tapia Tussell, Raul Higuera Ciapara, Icencio Perez Brito, Daisy
Copyright Year	2012
Abstract	Recently, anthracnose has become a major problem in papaya production and postharvest stages. The occurrence of both Colletotrichum gloeosporioides and Colletotrichum capsici has been demonstrated in this crop. The differential response of these pathogens to fungicides has highlighted the need to use rapid and accurate techniques to identify them. Thus, the objective of this study was to reveal the genetic diversity of Colletotrichum isolates in Mexican papaya fields. C. gloeosporioides-and C. capsici-specific primers were successfully used to detect the pathogens from different papaya parts. A combination of morphological characters, molecular techniques and pathogenicity tests were used to characterize 37 isolates from different localities of five papaya-producing states. Analyses of the 5.8-ITS region and arbitrarily primed-PCR revealed intraspecific groups; most of the isolates within these groups have the same geographical location and morphological characteristics. Knowledge of the genetic diversity of Colletotrichum spp. in Mexican papaya fields will facilitate the identification of the pathogen population in this crop in order to select the appropriate fungicide to control anthracnose, as well as to improve genetic resistance breeding programs.
Starting Page	67
Ending Page	79
Page Count	13
File Format	PDF
ISSN	09291873
Journal	European Journal of Plant Pathology
Volume Number	135
Issue Number	1
e-ISSN	15738469
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-08-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	AP-PCR Characterization 5.8S-ITS region Plant Pathology Plant Sciences Ecology Agriculture Life Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Horticulture Agronomy and Crop Science

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