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CRT SA : Super Summer Savings 2012
There are a number of frequently used fungicides which are starting to fail in the management of disease and the protection of valuable horticultural crops. CropLife, together with industry researchers, have designed a number of fungicide management strategies to assist growers manage diseases in their crops and avoid resistance issues. A comprehensive strategy should be employed to ensure that the correct fungicide is selected, that the risk of developing resistance is minimised and consideration is given to maintaining a healthy environment. Talendo,® a new fungicide from DuPont, has recently been added to the possible choices for growers to use. A Group 13 fungicide with the active, proquinazid, Talendo is effective in the protection of vines and cucurbits against powdery mildew, as is Legend® from Bayer CropScience which is also in this resistance management group. Both these products should be used in no more than 2 consecutive sprays. In vines, Talendo should not be used later than 28 days before harvest. As with new products, older products also need to be managed in appropriate ways, including sulphur based products Thiovit® from Syngenta and Microthiol® from Nufarm. Apart from resistance management guidelines, there has been a perception that sulphur based products can burn plant leaves, especially in vines. Key to managing this is to avoid warm to hot days where there is high humidity. Guidelines provided by the AWRI suggest that sulphur should not be used when the humidity is greater than 75% and the temperature is more than 32̊C . For more information on these products, as well as disease management strategies for your area, call in and see your local CRT Local Bloke to discuss your options. Horticulture fungicide season Importance of managing soil moisture Roundup® Attack • The most extensive glyphosate label on the market with more use patterns • Higher loaded 570g/L formulation for increased efficiencies • Patented penetrator that delivers faster brownout and better final weed control • Lower foaming and viscosity means less time filling up Sharpen® • New molecule that delivers fast burndown in broadleaf weeds • Effective at very low rates of use • Compatible with a wide range of herbicides for broad spectrum weed control including hard-to-control weeds such as fleabane and sowthistle • Rainfast in one hour Most weather models currently indicate that we are heading into an El Niño period over summer and into early 2013 when conditions will hopefully weaken before the winter cropping season. Whilst El Niño generally indicates reduced rainfall, an El Niño season does not mean that it will not rain. Rain may be heavy and localised making the practice of keeping water in the soil even more important when compared to those years when summer rainfall is plentiful. Summer weeds will remove most Plant Available Water (PAW) which increases risk in the following season as more producers look towards closer rotations to make the most of high grain prices. Consequently, removing any production risk needs to be carefully managed. Depending on which part of Australia you are in there are a wide range of summer weeds which are difficult to manage. Many of these could have some resistance to glyphosate including fleabane, awnless barnyard grass, liverseed grass and windmill grass, with problem weeds in all states. Key to managing the majority of these weeds is using a double knock of herbicide instead of just relying on glyphosate products. Farming groups funded by the GRDC have been looking at ways to manage some of these weeds, as have a number of chemical suppliers. However, whilst a number of weeds are glyphosate resistant, glyphosate is still our most important product for managing summer and winter fallows because of the price per hectare and the range of weeds that can be managed. In tough environments getting the most amount of product onto and into the weed is critical so it’s essential to develop a tank mix that takes into account the weed’s actual root size and prevailing spraying conditions.
Spring Big Brands 2012
Winning Autumn Deals 2013