Author Archives: Paul Grundy

A new pigeon pea variety for Bollgard 3 refuges

Paul Grundy   December 22, 2016   Comments Off on A new pigeon pea variety for Bollgard 3 refuges

Pigeon peas represent about 80% of the refuges cultivated to offset Bollgard cotton in Australia due to the land area use efficiency of this option. However, over the years, varietal mixing and continual recycling of seed from undamaged refuges has resulted in peas that flower later in the season, increasingly lacking synchrony with Bollgard’s boll setting period, thus reducing the… Read more »

I think I may have solenopsis mealybug in my cotton – what do I do?

Paul Grundy   December 15, 2016   Comments Off on I think I may have solenopsis mealybug in my cotton – what do I do?

Solenopsis mealybug can be found throughout Queensland’s cropping areas and has also been confirmed in Western Australia, the Northern Territory and Victoria. Whilst solenopsis has not yet been confirmed in NSW cotton crops it would be reasonable to assume that it is likely to be present in the broader landscape and it is only a matter of time before it… Read more »

Downs update – Symphyla and other soil pests

Paul Grundy   December 13, 2013   Comments Off on Downs update – Symphyla and other soil pests

Following the recent detection of symphyla in some cotton fields on the Darling Downs, DAFF Entomology have been testing sampling strategies for this potential pest of cotton. Literature for a similar symphyla species in North America suggested that baiting with potatoes may be an effective strategy for assessing symphyla abundance and whether individuals were actively feeding or in a restive… Read more »

Symphylans recently detected causing establishment problems in cotton on the Darling Downs

Paul Grundy   November 15, 2013   Comments Off on Symphylans recently detected causing establishment problems in cotton on the Darling Downs

An investigation into poor establishment in a field of cotton west of Dalby this week confirmed the presence of the soil dwelling symphyla as the likely cause. Symphylans are relatively common in most soils where they generally feed on decomposing organic matter. Symphyla as crop pests Symphyla have caused problems with crop establishment for a number of seasons in the… Read more »