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spring allele

Catalogue: GRDC Publications
" Goondiwindi GRDC Grains Research Update Day 1 - Tuesday 4 th March Time Topic Speaker (s) 10:00 AM James Clark (Chair Northern Welcome Panel GRDC) 10:10 AM General plenary (Supported by North West Local Land Services) 10:10 AM 10:40 AM.. Overall, both models are acceptable for modelling soil evaporation over a range of soils and seasons provided accurate soil physical properties and starting water states are known... Overall, populations increased five times compared to before planting the summer crops, but remained below 250/kg soil (Figure 4)...
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Catalogue: GRDC Final Reports
The effects of genes on traits in wheat of commercial importance were estimated using large plant breeding data sets, diagnostic markers and sophisticated statistical methods... The earliest successes occurred with the genes controlling grain quality in wheat, in particular enabling wheat breeders to select against alleles, or variants, of the glutenin and puroindoline genes that had negative effects on dough rheology traits (dough strength and dough extensibility) and on milling yield... It is suspected that Glu-D3 might interact with storage protein activator (SPA) genes the project team has begun typing the same lines used for Glu-D3 with a diagnostic marker developed by French scientists for SPA-B. Wheat breeding collaborators in Australian Grain Technologies (AGT) and LongReach have given this a high priority, because interactions between SPA and glutenin genes might explain why cultivars such as Bolac have higher than expected grain quality, while the reverse occurs for cultivars such as H45 ...
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Catalogue: GRDC Publications
Stay-green is a complex phenotype determined by a number of underlying mechanisms, including in sorghum, for example: Smaller canopy size at flowering Reduced water use prior to flowering Greater post-flowering soil moisture extraction Greater nitrogen uptake during grain filling Greater specific leaf nitrogen content.. We need to phenotype for both stay-green and root traits to get the most favourable phenotype Stay-green can now be readily phenotyped in field trials using our newly developed method.. Any comparisons of days from sowing to anthesis may be affected...
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Catalogue: GRDC Updates
The relative maturity of varieties is controlled by responses to photoperiod, vernalisation and earliness per se... Based on the response of varieties to vernalisation and photoperiod they can be categorised as either a winter, facultative spring or spring wheat (Table 1)... (2010) suggested that genotypes with only a spring allele at Vrn-D1 respond more to vernalisation than those with only a spring allele at Vrn-A1 , but less than winter varieties, and in these time of sowing experiments EGA Gregory showed an intermediate response to time of sowing compared to Janz and EGA Wedgetail ...
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