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GRDC Final Reports

Reports from projects funded by the GRDC

Registered items

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Growers are likely to face significant challenges in the future due insecticide resistance in redlegged earth mites and other crop pests to.. At each of the trial locations, a series of 12 plots (each > 50 m x 50 m in size) were assigned to one of three pest management 2 approaches: (1) No insecticide input (Control); (2) Strategic (or IPM) approach: insecticides applied only when needed, following accurate monitoring of pest and beneficial invertebrates combined with assessments of plant damage... , plant numbers, yields and harvest index, and the level of pest-feeding damage to plants we...
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The data consisted of wheat (947 or 347-N, 346-P, 182-K and 72-S), lupins (506 or 444-P, 32-K and 30-S) and canola (439 or 138-N, 31-P, 138-K and 132-S) fertiliser response curves... Critical levels and confidence levels were successfully defined for P with wheat, lupins and canola and K for wheat, lupins and canola using the 0-10cm sampling layer - with results given in mg/kg and data grouped into soil types... An evaluation of this method of calculating soil solution P illustrates P runoff predictions are more sensitive to increases in soil P tests than the previous method of using a con...
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Results from field trials conducted during the course of this project have demonstrated that considerable economic benefits can be made through strategic and targeted fungicide applications on mungbean and peanut crops... Trials were conducted in 2004/05 and 2005/06 at Bundaberg to study the interactions of timing and number of fungicide applications and host resistance on infection levels and final yields... Australian germplasm, including varieties and elite breeding material, and overseas sources of resistance will be assessed for resistance to M. phaseolina using field trials and glass...
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The results on the puroindoline gene alleles provide a significant amount of information on the genetic basis of the trait of grain hardness, a critical parameter for the commercial uses and export of wheat... The results show that the Australian gene pool is limited in the range of genetically-determined grades of hardness to only these two major types... Download Final Version Identification and evaluation of genetic factors determining grain texture in wheat # - Refer to the 'Report Disclaimer'..
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At the tertiary level, only four of the 12 universities that teach temperate or Mediterranean agriculture include any component of PA in their degrees... An interactive DVD that provides access to the extensive amount of education material has been delivered to 10 universities and one TAFE institution... The material was well received at the 'handover' workshop, with all institutions acknowledging the value of the material to the process of establishing PA within the varied curriculums...
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The future of Australian agriculture relies very heavily on continued access to new sources of germplasm imported from other countries to enable plant breeders to breed or select new improved varieties... Milestones to be added to all GRDC projects (using germplasm) to state the following; Germplasm to be sourced via the AGG (if available), germplasm used in project to be offered to AGG for long term storage with any restrictions noted, information linked to germplasm be supplied to AGG... The major achievements of the project are most easily measured in terms of transactions of seed comin...
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The main IWM tool not widely adopted is crop competition, the major reason being that growers are locked into wide row spacing with their current seeding machinery... As most growers have experienced and accepted the problem, I believe we will be in a better position to implement effective management of resistant weeds in the future... There is renewed interest in chaff carts with 30% of growers surveyed likely to adopt this practice in the next five years...
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Diseases of pulses including field peas, chickpeas, faba beans, lentils and lupins, pose major constraints to productivity... This project built on the foundations of projects UMU88 and UWA35 and further refined the research needed to achieve disease resistance in legume varieties and to polyphagic pathogens, such as R. solani ... Kamphuis LG, Williams AH, Kuster H, Trengove RD, Singh KB, Oliver RP & Ellwood SR. Phoma medicaginis stimulates induction of the octadecanoid and phenylpropanoid pathways in Medicago truncatula...
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Markers have been implemented for rust resistance (VPM resistance gene complex, Yr17, Lr37 and Sr38 ), resistance to black point, and resistance to barley yellow dwarf virus (BYDV), in a total of about 2,700 tests... Marker implementation will increase dramatically over the next few years as markers for traits of high priority to EGA are validated... In 2003/04 nearly 300 lines were also assessed for resistance to BYDV using markers...
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Technologies developed for the reliable phenotyping of lines and screening of segregating populations for adult plant resistance to leaf, stem and stripe rust in wheat, and leaf rust in barley, using plants grown under controlled environment conditions (temperature and light), will facilitate the more rapid development of new wheat and barley varieties... The new QTL are not linked with unfavourable QTL for malt quality (as was the case with previously documented major QTL conferring grain dormancy in barley) nor with intolerance to heat (as was the case with the mlo source of resistance t...
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