NDLI: Histopathology of S. tanaceti infection in pyrethrum leaf lamina

Content Provider	Springer Nature Link
Author	Bhuiyan, M. A. H. B. Groom, T. Nicolas, M. E. Taylor, P. W. J.
Copyright Year	2015
Abstract	The infection process and life cycle of S. tanaceti in leaf lamina of pyrethrum plants was investigated using histopathology. Conidia attached firmly to the leaf surface before the infection hyphae penetrated directly into the epidermal cells of the leaf without forming appressoria. The maximum germination of conidia on leaf surface was 85 % at 54 HAI. Infection hyphae infected the epidermal and palisade parenchyma cells through the middle lamella. Brown lesions on the leaf were a result of infected necrotic epidermal cells. Extensive colonization through both intra- and intercellular hyphae along with pycnidia formation caused enormous damage to the infected cells at 12 DAI. Unlike the quadruple stain, both single and dual stains had very limited ability to visualise infection structures. These results have provided a better understanding of the physical interaction between the pathogen and the pyrethrum leaf tissues and will help to elucidate the complete disease cycle of S. tanaceti on pyrethrum plant.
Starting Page	629
Ending Page	636
Page Count	8
File Format	PDF
ISSN	08153191
Journal	Australasian Plant Pathology
Volume Number	44
Issue Number	6
e-ISSN	14486032
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-09-15
Publisher Institution	Australasian Plant Pathology Society
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Histopathology Microtome section Pyrethrum Ray blight Staining S. tanaceti Plant Pathology Plant Sciences Agriculture Entomology Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science

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