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aphid control

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...
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Catalogue: GRDC Updates
Sulfoxaflor is currently being assessed by the APVMA and may be registered in mid 2012 with the trade name Transform@" Insecticide... Data presented shows that sulfoxaflor is effective on oat aphid at rates between 12-24 g ai/ha... The paper presents data from three field trials showing the efficacy of sulfoxaflor on oat aphid in Western Australian cereals from 2008 to 2009...
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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...
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Catalogue: GRDC Updates
Three varieties were evaluated at each site (Fitzroy , Grout and Gairdner ) with four replicates of all treatments... The pattern was common in all trials assessed to the end of September... Gilgandra Pirimor (300 g/ha) and dimethoate were applied to a population of ~36 aphids/tiller in early October, ~3-4 weeks after all other sites, when all varieties had completed head emergence...
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Catalogue: Ground Cover
But despite the prolonged dry - particularly from 2002-09 - farmers have remained committed to progress and local agronomist Penny Heuston says many have responded to the diminishing rainfall challenge by lifting the sophistication of their cropping systems and management... In Central West NSW, for example, there are still a lot of sheep and cattle in mixed farming operations, but the R&D going into grain varieties, weed control and soil moisture management is lifting interest in cropping," she says. ".. The alliance covers Central West NSW and hopes to fill the gap left by shrinking research from bodies such as Industry and Investment NSW and CSIRO. On-farm trials already cover wheat nutrition, canola reliability and aphid control...
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