sustainability through science & innovation
19 Mar 2015 | Filed under sustainable agriculture
Both DNA testing and insecticide bioassays conducted by cesar on populations of green peach aphid (GPA) from all over Australia have revealed varying levels of resistance to the following three chemical groups: organophosphates (dimethoate, omethoate and chlorpyrifos), synthetic pyrethroids (bifenthrin and alpha-cypermethrin) and carbamates (pirimicarb).
10 Feb 2015 | Filed under sustainable agriculture
Early management decisions are key to reducing aphid and beet western yellows virus (BWYV) risk in 2015. Significant rainfall over much of the southern cropping zone in January 2015 has created a green bridge, which can host large populations of insects as well as viruses between growing seasons.
07 Oct 2014 | Filed under sustainable agriculture
Widespread infestations of green peach aphids (GPA) (Myzus persicae) during autumn and winter have contributed to an outbreak of beet western yellow virus (BWYV) in southern Australia. Canola crops across the lower and mid north regions of South Australia, western Victoria and some parts of NSW have been severely affected...
01 Aug 2014 | Filed under wildlife ecology
The MacKenzie River, originating in the Grampians and flowing west towards Horsham, supports the last known platypus population in the Wimmera Catchment (although occasional sightings have been reported elsewhere; platypusspot.org/latest-comments/id/197). Platypuses have significantly declined throughout the catchment due to a combination of severe drought and human impacts (e.g.
02 Jun 2014 | Filed under sustainable agriculture
cesar is conducting a short survey of horticultural growers and consultants throughout Australia to better understand the issues surrounding green peach aphid (GPA) resistance. GPA is a widespread pest, attacking a broad range of crops. This species has a tendency to develop insecticide resistance, and this is becoming commonplace across...