Simon Diffey
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View article: Identifying the seeds of heterotic pools for Southern and Eastern Africa from global elite spring wheat germplasm
Identifying the seeds of heterotic pools for Southern and Eastern Africa from global elite spring wheat germplasm Open
Hybrid breeding can increase the competitiveness of wheat ( Triticum aestivum L.) in Sub-Saharan Africa by fostering more public-private partnerships and promoting investment by the private sector. The benefit of hybrid wheat cultivars in …
View article: A genome-wide association study (GWAS) identifies multiple loci linked with the natural variation for Al3+ resistance in Brassica napus
A genome-wide association study (GWAS) identifies multiple loci linked with the natural variation for Al3+ resistance in Brassica napus Open
Acid soils limit yields of many important crops including canola (Brassica napus), Australia’s third largest crop. Aluminium (Al3+) stress is the main cause of this limitation primarily because the toxic Al3+ present inhibits root growth. …
View article: Novel Sources of Tolerance to Aluminium Toxicity in Wild Cicer (Cicer reticulatum and Cicer echinospermum) Collections
Novel Sources of Tolerance to Aluminium Toxicity in Wild Cicer (Cicer reticulatum and Cicer echinospermum) Collections Open
In acid soils, the toxic form of aluminium, Al 3+ , significantly inhibits root growth and elongation, leading to less water and nutrient uptake. Previous research had shown differential Al toxicity tolerance among cultivated Cicer arietin…
View article: Genetic and physiological bases for variation in water use efficiency in canola
Genetic and physiological bases for variation in water use efficiency in canola Open
Drought stress due to water deficiency threatens production of canola worldwide. Carbon isotope discrimination (Δ 13 C), a trait that can be used to assess efficient water use, provides an opportunity to exploit natural variation in canola…
View article: QTL mapping reveals genomic regions for yield based on incremental tolerance index to drought stress and related agronomic traits in canola
QTL mapping reveals genomic regions for yield based on incremental tolerance index to drought stress and related agronomic traits in canola Open
Drought stress especially at the reproductive stage is a major limiting factor that compromises the productivity and profitability of canola in many regions of the world. Improved genetics for drought tolerance would enable the identificat…
View article: Field benchmarking of the critical external phosphorus requirements of pasture legumes for southern Australia
Field benchmarking of the critical external phosphorus requirements of pasture legumes for southern Australia Open
In recent decades several pasture legumes have been available in southern Australia as potential alternatives to the most widely used annual pasture legume Trifolium subterraneum. Little is known about their soil phosphorus (P) requirement…
View article: Stable Quantitative Resistance Loci to Blackleg Disease in Canola (Brassica napus L.) Over Continents
Stable Quantitative Resistance Loci to Blackleg Disease in Canola (Brassica napus L.) Over Continents Open
The hemibiotrophic fungus, Leptosphaeria maculans is the most devastating pathogen, causing blackleg disease in canola (Brassica napus L). To study the genomic regions involved in quantitative resistance (QR), 259-276 DH lines from Darmor-…
View article: A new REML (parameter expanded) EM algorithm for linear mixed models
A new REML (parameter expanded) EM algorithm for linear mixed models Open
Summary Linear mixed models are regularly applied to animal and plant breeding data to evaluate genetic potential. Residual maximum likelihood (REML) is the preferred method for estimating variance parameters associated with this type of m…
View article: Genome-wide Association Study Identifies New Loci for Resistance to Leptosphaeria maculans in Canola
Genome-wide Association Study Identifies New Loci for Resistance to Leptosphaeria maculans in Canola Open
Key message "We identified both quantitative and quantitative resistance loci to Leptosphaeria maculans, a fungal pathogen, causing blackleg disease in canola. Several genome-wide significant associations were detected at known and new loc…
View article: Perspective: are animal scientists forgetting the scientific method and the essential role of statistics?
Perspective: are animal scientists forgetting the scientific method and the essential role of statistics? Open
Animal scientists and their funding organisations need to ensure investment in research is maximised by strict adherence to the scientific method and the rigorous design and analysis of experiments. Statisticians should be considered as eq…