Nambour, Australia
Nambour, Australia

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Rames E.K.,Fisheries and Forestry QLD | Rames E.K.,Maroochy Research Facility | Smith M.K.,Fisheries and Forestry QLD | Smith M.K.,Maroochy Research Facility | And 4 more authors.
Australasian Plant Pathology | Year: 2013

TRFLP (terminal restriction fragment length polymorphism) was used to assess whether management practices that improved disease suppression and/or yield in a 4-year ginger field trial were related to changes in soil microbial community structure. Bacterial and fungal community profiles were defined by presence and abundance of terminal restriction fragments (TRFs), where each TRF represents one or more species. Results indicated inclusion of an organic amendment and minimum tillage increased the relative diversity of dominant fungal populations in a system dependant way. Inclusion of an organic amendment increased bacterial species richness in the pasture treatment. Redundancy analysis showed shifts in microbial community structure associated with different management practices and treatments grouped according to TRF abundance in relation to yield and disease incidence. ANOVA also indicated the abundance of certain TRFs was significantly affected by farming system management practices, and a number of these TRFs were also correlated with yield or disease suppression. Further analyses are required to determine whether identified TRFs can be used as general or soil-type specific bio-indicators of productivity (increased and decreased) and Pythium myriotylum suppressiveness. © 2013 Australasian Plant Pathology Society Inc.


Bartlett J.S.,Fisheries and Forestry Qld
Australian Entomologist | Year: 2013

Corynetes compactus Westwood is recognised as a junior synonym (syn. n.) of Pylus anthicides Newman, which is transferred from the South African genus Thriocera Gorham to the endemic Australian genus Thriocerodes Wolcott & Dybas, resulting in the combination Thriocerodes anthicides (Newman), comb. n.

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