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Type: Journal article
Title: Three group 16SrII phytoplasma variants detected in co-located pigeonpea, lucerne and tree medic in South Australia
Author: Yang, S.
Habili, N.
Aoda, A.
Dundas, I.
Paull, J.
Randles, J.
Citation: Australasian Plant Disease Notes, 2013; 8(1):125-129
Publisher: Springer
Issue Date: 2013
ISSN: 1833-928X
Statement of
S. Y. Yang, N. Habili, A. Aoda, I. Dundas, J. G. Paull, J. W. Randles
Abstract: Legume-infecting phytoplasmas identified in symptomatic tree medic (Medicago arborea), lucerne (M. sativa) and pigeonpea (Cajanus cajan) growing at a single trial site at Urrbrae, South Australia, were all shown to belong to the 16SrII phytoplasma taxonomic group, but each host species was found to be infected with a different genotype. Within one species (M. sativa) the genotypes were more uniform as demonstrated by comparing five isolates from lucerne plots. These lucerne genotypes differed from the Australian lucerne yellows phytoplasma genotype previously described in New South Wales, and the pigeonpea phytoplasma isolate was more similar to the non-legume infecting Bonamia little leaf (BoLL) than to pigeonpea little leaf phytoplasma. This diversity supports the view that these legumes were infected from different reservoir phytoplasma hosts rather than from a single perennial host such as tree medic. © 2013 Australasian Plant Pathology Society Inc.
Keywords: Phytoplasma
Tree medic
Nested PCR
Rights: © Australasian Plant Pathology Society Inc. 2013
DOI: 10.1007/s13314-013-0113-y
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Appears in Collections:Agriculture, Food and Wine publications
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