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cool temperature shock

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Catalogue: GRDC Final Reports
The research has made a significant contribution to our understanding of the mechanisms underlying these traits, identified novel strategies for further or more rapid improvements, and provides a solid foundation for both further research and better management of defects that result in downgrading of quality prior to harvest.. Annual screening of advanced lines from Australian breeding programs suggests little improvement in sprouting resistance despite breeders having had access to resistant germplasm and quantitative trait loci (QTL) information for a considerable period... Our work in Brachypodium presents a novel opportunity to use an undomesticated wild grass to identify novel sources of high dormancy germplasm...
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Catalogue: GRDC Final Reports
Late-maturity alpha-amylase (LMA) is constitutive in tall LMA genotypes while semi-dwarf (Rht1, Rht2) LMA genotypes usually require a cool temperature shock midway through grain development... Previous research at UA indicates that the cool temperature shock requirement is associated with the semi-dwarfing genes Rht1 & Rht2, suggesting that the mechanism involves changes in amount of, or sensitivity to, plant hormones such as gibberellic acid (GA) and abscisic acid... The results appeared to provide a possible explanation for the cool temperature shock-triggered expression of LMA in some semi-dwarf wheat varieties...
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Catalogue: GRDC Research Summaries
Some wheat varieties carry a defect known as late maturity alpha amylase (LMA) which can result in low falling number at receival... The results indicate that the cool temperature shock increases the sensitivity of the grain to a plant hormone normally present in grains in varieties prone to LMA... School of Agriculture, Food and Wine Postgraduate Symposium (2010) "GA sensitivity and ABA content of developing wheat grains in relation to late maturity alpha-amylase" (oral presentation by Bo Yu to other PhD students and academics of School of Ag., Food and Wine) < Keep browsing..
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