Autofluorescence of necrotic phloem cells and laticifers, and a reduced latex flow: New symptoms for papaw dieback disease in Australia

Harding R.M. and Teakle D.S. (1988) Autofluorescence of necrotic phloem cells and laticifers, and a reduced latex flow: New symptoms for papaw dieback disease in Australia. Australian Journal of Agricultural Research, 39 5: 857-862. doi:10.1071/AR9880857


Author Harding R.M.
Teakle D.S.
Title Autofluorescence of necrotic phloem cells and laticifers, and a reduced latex flow: New symptoms for papaw dieback disease in Australia
Journal name Australian Journal of Agricultural Research   Check publisher's open access policy
ISSN 0004-9409
Publication date 1988-01-01
Sub-type Article (original research)
DOI 10.1071/AR9880857
Open Access Status Not yet assessed
Volume 39
Issue 5
Start page 857
End page 862
Total pages 6
Subject 1100 Agricultural and Biological Sciences
Abstract When petiole and root sections taken from papaw plants affected by dieback disease were examined under a fluorescence microscope, specific autofluorescence was observed in some phloem cells and/or laticifers. Such autofluorescence was never observed in similarly treated sections taken from healthy plants. Light and electron microscopic examination of areas showing specific autofluorescence revealed the presence of necrotic phloem cells, but close examination of these cells failed to show a parasitic agent. Papaw plants affected by dieback disease and showing necrosis of laticifers also displayed a marked reduction in latex flow. The results indicate that autofluorescence of necrotic phloem cells and laticifiers, and a reduced latex flow, are new symptoms of papaw dieback disease in Australia.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
Versions
Version Filter Type
Citation counts: Scopus Citation Count Cited 9 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Tue, 14 Jun 2016, 11:56:39 EST by System User