Fallowing and Spraytopping Pastures (September 2018)

26 September, 2018

Many pastures which were programmed to be either spraytopped or fallowed, are currently severely moistures stressed, with most weeds appearing to be as good as dead. It is likely that the seed set of these weeds will be minimal in … Continue reading

Crop Margins (Firebreaks)

20 April, 2018

Managing crop margins is an ongoing source of frustration for many growers. These areas are prone to erosion, are a source of weeds and are often where herbicide resistance develops. Historically these areas were simply managed with one or two … Continue reading

Feathertop Rhodes Grass (FTR)

20 April, 2018

Feathertop Rhodes (FTR) grass is a weed causing significant challenges for growers in northern cropping regions.  FTR is a summer growing grass weed that germinates and establishes quickly on small amounts of moisture.  It is difficult to control with conventional … Continue reading

Weed Escapes

21 November, 2017

Crop inspections during spring 2017 have revealed relatively high levels of weed escapes in many paddocks.  This is largely the result of the wet spring in 2016 which led to high seed set of weeds, plus the dry frosty conditions … Continue reading

Group G Herbicide Comparison

6 April, 2017

Group G herbicides when added to knockdown herbicides, generally don’t improve the final weed control results, rather they increase the speed of desiccation. With the exception of Sharpen, Group G products are contact, non-systemic herbicides which can be added to … Continue reading

Late Season Weed Control in Crops

8 September, 2016

Weed control during 2016 has been difficult, with many paddocks very likely to have some weed escapes.  Of particular concern are grass weeds in break crops, where post emergent herbicide applications have not been applied or were not effective. Poor … Continue reading

Mixing Pre-Emergent & Knockdown Herbicides

22 April, 2016

When applying pre-emergent herbicides, it is important to consider the incorporation restrictions of each and how they impact on mixtures with knockdown herbicides. Trifluralin products must be incorporated within 4 hours. Glyphosate mixtures with Trifluralin should be avoided, as the … Continue reading

The Declining Role of Group B Herbicides in Southern NSW Cropping Systems

22 April, 2016

The application of pre-emergent Group B herbicides can lead to root pruning, reduced crop vigour and increased incidence of root disease in cereal crops. Herbicide resistance and changes to the weed spectrum, have also reduced the need for these products. … Continue reading

Plant-Back Periods for Fallow Herbicides in Southern NSW

22 April, 2016

Herbicide plant-back restrictions should be taken into account when spraying fallow weeds prior to sowing winter crops in southern NSW. Many herbicide labels place time and/or rainfall restrictions on sowing certain crops and pastures after application, due to potential seedling … Continue reading

Sow Thistle Management in Southern New South Wales

16 December, 2015

Why is Sow Thistle a weed of concern? Sow thistle can germinate all year round Produce lots of seeds Readily use soil moisture, especially in stubbles and fallows Can contaminate crops at harvest with green matter Will develop resistance to … Continue reading