The pre-breeding component will involve physiological characterization of elite germplasm from Australia and CIMMYT as well as genetic resources (synthetic & landraces) to design better targeted crosses... In accordance with recent recommendations (Australian Winter Cereals Workshop- Breeding for Better Performance Under Drought, ANU, 5-6 Sept 2007) work will focus on (i) traits that are unconstrained by yield penalties in wetter years; (ii) drought response under a range of 'water balances'; (iii) identifying germplasm with the ability to extract subsoil water; and, (iv) phenotyping in realistic environments... The first wave of physiological crosses (crosses based on physiological parameters) made at the International Maize and Wheat Improvement Center (CIMMYT) and targeted to drought gave twice as many superior yielding lines under drought than the crosses based solely on yield information...
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Grain Flashes logo.. The workshop is one of three being held in the southern cropping region to provide agronomists, consultants and advisers with a better understanding of the factors that influence water use efficiency (WUE) and which management practices and strategies are delivering maximum value from rainfall on-farm... CAPTION: Achieving more grain from rain is the theme of a workshop to be held at Wagga Wagga in New South Wales..
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Drought tolerance, visual agronomic traits and yields of these mutants will be evaluated under both stressed and non-stressed conditions... We have discovered that plants lacking a functional copy of the gene called SALI are more drought tolerant... We started investigating the SAL1 gene in the Australian wheat variety Chara...