Mycoplasma-like organisms as causal agents of potato purple top wilt in Queensland

Harding R.M. and Teakle D.S. (1985) Mycoplasma-like organisms as causal agents of potato purple top wilt in Queensland. Australian Journal of Agricultural Research, 36 3: 443-449. doi:10.1071/AR9850443


Author Harding R.M.
Teakle D.S.
Title Mycoplasma-like organisms as causal agents of potato purple top wilt in Queensland
Journal name Australian Journal of Agricultural Research   Check publisher's open access policy
ISSN 0004-9409
Publication date 1985
Sub-type Article (original research)
DOI 10.1071/AR9850443
Volume 36
Issue 3
Start page 443
End page 449
Total pages 7
Subject 1100 Agricultural and Biological Sciences
Abstract The eggplant little-leaf agent was graft transmitted to tomato causing big-bud symptoms. Transmission from the big-bud tomato to potato by grafting or the leafhopper Orosius argentatus resulted in the development of purple top wilt symptoms. Thin-section electron microscopy revealed mycoplasma-like organisms present in the phloem sieve elements of a big-bud tomato plant and purple top wilt potato plants infected by grafting or leafhoppers. When tubers from graft-infected potato plants were planted, 73% produced spindly shoots and 44% of these later developed purple top wilt symptoms. When scions from either field-infected or experimentally infected potato plants showing purple top wilt symptoms were grafted onto tomato plants, 24% and 62% respectively developed big-bud symptoms. The results provide strong evidence for the mycoplasmal aetiology of some, if not all, potato purple top wilt in Queensland.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 14 Jun 2016, 01:56:20 EST by System User