You are here

virus infection

Catalogue: GRDC Media
While the recent cold weather has impacted aphid numbers and activity, the pressure earlier in the season means that there is a level of primary infection in some crops which could escalate rapidly if aphid numbers build significantly in spring... According to NSW Department of Primary Industries plant pathologist Joop van Leur, testing to identify the virus species present in faba bean is still in progress early indications are that the main virus present is Bean yellow mosaic virus (BYMV) with smaller incidences of Bean leafroll virus (BLRV) and other luteoviruses... Consultants and growers are being urged to monitor aphid populations closely in the lead up to spring and implement control strategies early to avoid severe virus infection later in the season...
Related categories:
Catalogue: GRDC Media
While the recent cold weather has impacted aphid numbers and activity, the pressure earlier in the season means that there is a level of primary infection in some crops which could escalate rapidly if aphid numbers build significantly in spring... According to NSW Department of Primary Industries plant pathologist Joop van Leur, testing to identify the virus species present in faba bean is still in progress early indications are that the main virus present is Bean yellow mosaic virus (BYMV) with smaller incidences of Bean leafroll virus (BLRV) and other luteoviruses... Consultants and growers are being urged to monitor aphid populations closely in the lead up to spring and implement control strategies early to avoid severe virus infection later in the season...
Related categories:
Catalogue: GRDC Media
Joop van Leur, NSW Department of Primary Industries (NSW DPI) plant pathologist says the link is as unproven but it is likely canola crops hosted viruses including Beet western yellows virus (BWYV) which then spread to chickpeas... "Canola and turnip weed close to surveyed chickpea paddocks showed high infections of BWYV and Turnip mosaic virus (TuMV) and have likely played an important role in the BWYV epidemic in chickpeas," Mr van Leur said... "It is likely that virus inoculum builds up in canola over winter and spreads to chickpeas in spring where it can cause severe yield losses."..
Related categories:
Catalogue: GRDC Final Reports
An unknown plant disorder has devastated sunflower crops across Central Queensland (CQ) since 2004 and has resulted in major reductions in sunflower plantings... Recommendations regarding future research, development and extension (RD&E) needs are provided in the following section of this report... Herbicide residuals or drift, nutrient disorders (possibly boron deficiency), an unknown pathogen, adverse environmental conditions or any combination of these factors had been suggested...
Related categories:
Catalogue: GRDC Updates
Minimise risk of virus by retaining standing stubble, planting on time and at optimal seeding rate for rapid canopy closure... During the work, a new polerovirus referred to Phasey bean virus - PhBV (previously thought to be a strain of BWYV) has been identified from many hosts and locations in the northern region (Table 2)... We have used a PCR for Beet western yellows virus (BWYV), Bean leaf roll virus (BLRV), Phasey bean virus (PhBV) and Soybean dwarf virus (SbDV) to investigate host range of the virus species from a range of locations (Table 2)...
Related categories:
Catalogue: GRDC Updates
Minimise risk of virus by retaining standing stubble, planting on time and at optimal seeding rate for rapid canopy closure... During the work, a new polerovirus referred to Phasey bean virus - PhBV (previously thought to be a strain of BWYV) has been identified from many hosts and locations in the northern region (Table 2)... We have used a PCR for Beet western yellows virus (BWYV), Bean leaf roll virus (BLRV), Phasey bean virus (PhBV) and Soybean dwarf virus (SbDV) to investigate host range of the virus species from a range of locations (Table 2)...
Related categories: