ORCID Profile
0000-0002-8656-3490
Current Organisation
Government of Western Australia Department of Primary Industries and Regional Development
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Publisher: International Society for Horticultural Science (ISHS)
Date: 05-2015
Publisher: International Society for Horticultural Science (ISHS)
Date: 06-2016
Publisher: International Society for Horticultural Science (ISHS)
Date: 05-2015
Publisher: MDPI AG
Date: 27-05-2022
DOI: 10.3390/IJMS23116019
Abstract: The triggers of biennial bearing are thought to coincide with embryonic development in apple and occurs within the first 70 days after full bloom (DAFB). Strong evidence suggests hormonal signals are perceived by vegetative apple spur buds to induce flowering. The hormonal response is typically referred to as the floral induction (FI) phase in bud meristem development. To determine the metabolic pathways activated in FI, young trees of the biennial bearing cultivar ‘Nicoter’ and the less susceptible cultivar ‘Rosy Glow’ were forced into an alternate cropping cycle over five years and an inverse relationship of crop load and return bloom was established. Buds were collected over a four-week duration within 70 DAFB from trees that had maintained a four-year biennial bearing cycle. Metabolomics profiling was undertaken to determine the differentially expressed pathways and key signalling molecules associated with biennial bearing. Marked metabolic differences were observed in trees with high and low crop load treatments. Significant effects were detected in members of the phenylpropanoid pathway comprising hydroxycinnamates, salicylates, salicylic acid biosynthetic pathway intermediates and flavanols. This study identifies plant hormones associated with FI in apples using functional metabolomics analysis.
Publisher: International Society for Horticultural Science (ISHS)
Date: 02-2012
Publisher: Elsevier BV
Date: 08-2010
Publisher: International Society for Horticultural Science (ISHS)
Date: 12-2016
Publisher: International Society for Horticultural Science (ISHS)
Date: 11-2013
Publisher: Elsevier BV
Date: 06-2014
Publisher: Hindawi Limited
Date: 2013
DOI: 10.1155/2013/242461
Abstract: Consistency of fruit quality is extremely important in horticulture. Fruit growth and quality in nectarine are affected by fruit position in the canopy, related to the tree shape. The “open shaped” training systems, such as Tatura Trellis, improve fruit growth and quality. The Index of Absorbance Difference ( I A D ) is a new marker that characterizes climacteric fruit during ripening. A study on fruit ripening was performed by using the I A D on nectarine to monitor fruit maturity stages of two cultivars trained as Tatura Trellis in Victoria, Australia. Fruit of cv “Summer Flare 34” (“SF34”) grown in different positions on the tree showed high ripening homogeneity. Fruit harvested at a similar ripening stage showed fruit firmness and soluble solid content homogeneity. Fruits from hand-thinned variety “Summer Flare 26” (“SF26”) were larger in size, had advanced ripening, and showed greater homogeneity. For “SF26”, a weak correlation between I A D and SSC was observed. The experiment showed that the Tatura Trellis training system is characterized by high homogeneity of nectarine fruit when coupled with a proper management of fruit density. It also confirmed that the I A D could be used as new nondestructive maturity index for nectarine fruit quality assessment in the field.
Publisher: Elsevier BV
Date: 03-2014
DOI: 10.1016/J.SYAPM.2013.12.004
Abstract: The family Chlamydiaceae with the recombined single genus Chlamydia currently comprises nine species, all of which are obligate intracellular organisms distinguished by a unique biphasic developmental cycle. Anecdotal evidence from epidemiological surveys in flocks of poultry, pigeons and psittacine birds have indicated the presence of non-classified chlamydial strains, some of which may act as pathogens. In the present study, phylogenetic analysis of ribosomal RNA and ompA genes, as well as multi-locus sequence analysis of 11 field isolates were conducted. All independent analyses assigned the strains into two different clades of monophyletic origin corresponding to pigeon and psittacine strains or poultry isolates, respectively. Comparative genome analysis involving the type strains of currently accepted Chlamydiaceae species and the designated type strains representing the two new clades confirmed that the latter could be classified into two different species as their average nucleotide identity (ANI) values were always below 94%, both with the closest relative species and between themselves. In view of the evidence obtained from the analyses, we propose the addition of two new species to the current classification: Chlamydia avium sp. nov. comprising strains from pigeons and psittacine birds (type strain 10DC88(T) DSMZ: DSM27005(T), CSUR: P3508(T)) and Chlamydia gallinacea sp. nov. comprising strains from poultry (type strain 08-1274/3(T) DSMZ: DSM27451(T), CSUR: P3509(T)).
Publisher: International Society for Horticultural Science (ISHS)
Date: 07-2016
Publisher: International Society for Horticultural Science (ISHS)
Date: 11-2013
Publisher: Scientific Research Publishing, Inc.
Date: 2011
Publisher: International Society for Horticultural Science (ISHS)
Date: 12-2015
Publisher: Springer Science and Business Media LLC
Date: 11-2011
Publisher: International Society for Horticultural Science (ISHS)
Date: 12-2015
Publisher: International Society for Horticultural Science (ISHS)
Date: 07-2016
Publisher: International Society for Horticultural Science (ISHS)
Date: 07-2016
Publisher: Scientific Research Publishing, Inc.
Date: 2014
Location: Australia
Location: Australia
Location: Italy
Start Date: 2016
End Date: 2016
Funder: State Government of Victoria
View Funded ActivityStart Date: 2016
End Date: 2017
Funder: State Government of Victoria
View Funded Activity