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Catalogue: GRDC Media
Author : Sharon Watt Oilseeds disease authority Dr Steve Marcroft says severe early blackleg disease infection in 2016 could be attributed to the combination of three factors - wet weather, breakdown of cultivar resistance and the onset of fungicide resistance... A combination of factors has led to severe early infection of blackleg disease in this year's canola crops in southern Australia (South Australia, Victoria and southern New South Wales)... "Normally with blackleg we tell farmers to monitor their crops at end of season to see how much stem canker they have - it's quite unusual for the disease to be striking young crops so severely at this time of the year," said Dr Marcroft, whose research is supported by the Grains Research and Development Corporation (GRDC)...
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Catalogue: Ground Cover
The labels on haloxyfop products used for post-emergent grass control in canola crops are to be amended to overcome concerns that the 'Directions for Use' have the potential to be misinterpreted... In particular there is concern that the directions with respect to the correct application window and appropriate withholding period have not been clear enough to ensure users fully comply with domestic and international residue limits... Application later in the crop cycle - after stem elongation - can result in the crop retaining haloxyfop residues in the canola seed and seed products...
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Catalogue: Ground Cover
Researchers in southern Victoria are taking to the skies to see if unmanned aerial vehicles (UAVs) can be used to help growers make timely interventions in canola establishment... Three sites were set up across southern Victoria in 2015 at Rokewood, Inverleigh and Winchelsea... There were six stages involved in the image processing: collection of colour infrared images; colour, texture and shape used to identify plants and create a binary image; self-learning algorithms used to detect larger and average-sized plants; the same algorithms then modified to detect small plants; the two images put together to calculate totals; and calculation of ground cover...
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Catalogue: Ground Cover
Researchers in southern Victoria are taking to the skies to see if unmanned aerial vehicles (UAVs) can be used to help growers make timely interventions in canola establishment... Three sites were set up across southern Victoria in 2015 at Rokewood, Inverleigh and Winchelsea... There were six stages involved in the image processing: collection of colour infrared images; colour, texture and shape used to identify plants and create a binary image; self-learning algorithms used to detect larger and average-sized plants; the same algorithms then modified to detect small plants; the two images put together to calculate totals; and calculation of ground cover...
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Catalogue: GRDC Publications
Barley Yellow Dwarf Virus can be a threat in all environments, and it is recommended that seed be treated with imidicloprid, or crops closely monitored for aphid infestation and sprayed ... In the circumstances using fertilisers that have a higher sulphur content, like MES 10 or Airseeder Superfect, can be beneficial... A fast track project was initiated to demonstrate and evaluate a range of management strategies that Twelve farms were surveyed across the western districts of southern Victoria that were considered suitable as potential trial sites based on grower and adviser recommendations...
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Catalogue: NVT Online Papers
Advice concerning the significance and control of the more common pests, or potential pests, of these crops is presented... Value of the crop (high value crops cannot sustain too much damage as a small loss in yield or quality could mean a large financial loss), the cost of the spray and its application and the likely yield or quality benefit gained from control... Crop monitoring Ongoing monitoring of crops and surrounding vegetation is essential to determine the presence of both pests and predators, and when, if any, intervention is required to keep pests at an acceptable level or, if feasible, boost predator numbers by introducing them into the system...
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Catalogue: GRDC Updates (West)
Sowing method (knife points or discs) did not affect performance of pre-seeding herbicides... Project No.: DAW 0134 Paper reviewed by: John Holmes Crop Updates is a partnership between the Department of Agriculture and Food, Western Australia and the Grains Research & Development Corporation 241.. Overall, the correlation coefficient between the observed ED 99dosages and the dosages predicted using Model A was 0.60 with p < 0.06...
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Catalogue: GRDC Updates (West)
" Agribusiness Crop Updates 2006 x Lexone 150 and 250 g/ha caused slight to moderate leaf burning/leaf scorching and biomass reduction (5-80%) across all the varieties... Increase in rate of Lexone from 150 to 250 g/ha resulted in increase in intensity of these symptoms... Crop Updates is a partnership between the Department of Agriculture, Western Australia and the Grains Research & Development Corporation 82 6 0 0 2 s e t a d p U p o r C s s e n i s u b i r g A l i0 j 1 1 0 8026 7 3 n48 6 4 55 7718 71 68651 ) 0 0 0 0010 0 0 a18 9 9 98 9999 99 87111 H 1 1 1 1111 1 1 T1 d. .We i a(l p p h s p /u l a gll4 ie 03004 62 4 34 7 25 H 1 s k 4 3 4 5 8 4 518 451 d 00110 00 1 01 0 10 ...
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Catalogue: GRDC Updates (West)
" Agribusiness Crop Updates 2006 x Lexone 150 and 250 g/ha caused slight to moderate leaf burning/leaf scorching and biomass reduction (5-80%) across all the varieties... Increase in rate of Lexone from 150 to 250 g/ha resulted in increase in intensity of these symptoms... Crop Updates is a partnership between the Department of Agriculture, Western Australia and the Grains Research & Development Corporation 82 6 0 0 2 s e t a d p U p o r C s s e n i s u b i r g A l i0 j 1 1 0 8026 7 3 n48 6 4 55 7718 71 68651 ) 0 0 0 0010 0 0 a18 9 9 98 9999 99 87111 H 1 1 1 1111 1 1 T1 d. .We i a(l p p h s p /u l a gll4 ie 03004 62 4 34 7 25 H 1 s k 4 3 4 5 8 4 518 451 d 00110 00 1 01 0 10 ...
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Catalogue: GRDC YouTube channel
Better management of wild radish is being seen when young small radish plants are sprayed twice over a four week period... Fact Sheet: grdc.com.au/GRDC-FS-WildRadishManagement 7.25: GCTV Extension Files: Wild Radish 1st Spray 7.29: Peter Newman: Australian Herbicicde Resistance Initiative 7.34: When I was an agronomist in the late nineties we could always spray wild radish this size 11.54: with five dollars worth of herbicide and we would just about always kill it... Some research by myself in 2012 and then Grant 28.49: Thompson in 2013 funded by GRDC through the RCSN focused on spraying wild radish this 34.53: big...
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