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plant damage

Catalogue: GRDC Final Reports
The experiments have provided much information on exotherm characteristics with and without Snomax and on the roles of ice nucleation and freezing in plant damage, although resolution of the images obtained through the two IR transparent windows needs to be improved... Some wheat and barley varieties behave differently in different regions and there is a need for development of frost chamber protocols that cause the same degree of frost damage as occurs in the field, so frost chamber testing differentiates between varieties in the same way as a field trial... Trials were carried out at varying temperatures using Snomax for ice nucleation in the AGRF chamber and in USQ frost cabinets for IRVT observations...
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Catalogue: GRDC Media
MANDALOTUS WEEVILS ACTIVE: As Mandalotus weevils become active in parts of South Australia's grain belt, growers are advised that early detection is critical in preventing and reducing damage to germinating crops... According to the South Australian Research and Development Institute (SARDI) Entomology Unit, the weevils have been reported actively feeding in the Murraylands and on Yorke Peninsula... Adults are known to attack seedlings of canola, lentils, beans, cereals, and medic pasture, with canola most susceptible to serious damage," said Mr Perry, whose work is supported by growers and the Australian Government through the Grains Research and Development Corporation's (GRDC) investment in the National Invertebrate Pest Initiative (NIPI). "..
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Catalogue: Broadacre Field Crops DAFF QLD
Photograph showing black streaks on leaf petioles - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing pith discolouration due to rotting - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing deformed growing point, shortened internodes and yellow blotches on leaves - Symptoms of tobacco streak virus (TSV) on sunflower..
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Catalogue: Broadacre Field Crops DAFF QLD
Photograph showing black streaks on leaf petioles - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing pith discolouration due to rotting - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing deformed growing point, shortened internodes and yellow blotches on leaves - Symptoms of tobacco streak virus (TSV) on sunflower..
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Catalogue: Broadacre Field Crops DAFF QLD
Photograph showing black streaks on leaf petioles - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing pith discolouration due to rotting - Symptoms of tobacco streak virus (TSV) on sunflower.. Photograph showing deformed growing point, shortened internodes and yellow blotches on leaves - Symptoms of tobacco streak virus (TSV) on sunflower..
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Catalogue: GRDC Media
MANDALOTUS WEEVILS ACTIVE: As Mandalotus weevils become active in parts of South Australia's grain belt, growers are advised that early detection is critical in preventing and reducing damage to germinating crops... According to the South Australian Research and Development Institute (SARDI) Entomology Unit, the weevils have been reported actively feeding in the Murraylands and on Yorke Peninsula... Adults are known to attack seedlings of canola, lentils, beans, cereals, and medic pasture, with canola most susceptible to serious damage," said Mr Perry, whose work is supported by growers and the Australian Government through the Grains Research and Development Corporation's (GRDC) investment in the National Invertebrate Pest Initiative (NIPI). "..
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