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Item Variety Guide 2022/23 Burdekin Region(Sugar Research Australia Limited, 2022)This guide is designed to help growers in the Burdekin canegrowing region with their agronomic considerations when selecting new varieties to plant and trial on their farms. The information comes from the best available data of regional variety performance and disease ratings.Item Information sheet : Soil sampling(Sugar Research Australia Limited, 2022)Soil sampling provides useful information about the chemical and nutrient properties of soil within a particular block. It will therefore assist in determining fertiliser type and rate. Soil sampling also identifies any actual or potential nutrient imbalances or deficiencies.Item Information sheet : Pokkah boeng(Sugar Research Australia Limited, 2022)This fungus disease is found in all sugarcane growing regions, and generally occurs from late spring to the end of summer. It normally appears during periods of hot humid conditions when the cane is growing rapidly. It generally is only a minor disease of sugarcane in Australia, but can cause major damage in some areas overseas.Item Information sheet : White leaf disease (WLD)(Sugar Research Australia Limited, 2022)White leaf disease (WLD) was first recognized in Thailand in the 1950s. The disease has caused serious yield losses in Thailand and has some similarities to grassy shoot (GSD) and green grassy shoot diseases (GGSD). All three are caused by phytoplasm and are common in south east Asia. WLD recently caused a major disease epidemic in Laos in a sugar factory in the south central Savannakhet Province and has recently been found in China. If WLD was introduced to Australia, it could cause major yield losses to the sugar industry. Issues such as resistant varieties and alternative hosts require further research.Item Information sheet : Nematode resistant legumes as a rotational crop with sugarcane(Sugar Research Australia Limited, 2022)The two main types of nematodes that cause damage to sugarcane are root lesion nematode (RLN) and root knot nematodes (RKN). There are many other types of nematodes that can affect sugarcane, such as dagger and spiral nematodes, but these nematodes rarely cause serious damage.Item Information sheet : Managing frost damage(Sugar Research Australia Limited, 2022)Frost damage to sugarcane will vary with landscape position (it is generally worse in hollows and creek flats), variety and the openness of the crop. In small, open crops, damage goes further down the stalk and is therefore more severe. There are four stages of damage.Item Information sheet : Soldier fly(Sugar Research Australia Limited, 2022)Soldier flies are native insects that naturally inhabit grasslands and can cause severe damage to sugarcane crops. There are two main species of soldier fly that attack sugarcane. Sugarcane soldier fly occurs over a wide area from Innisfail in Queensland to Harwood in New South Wales. Yellow soldier fly has a more limited distribution, mainly occurring around Proserpine, Mackay and Plane Creek.Item Information sheet : Best-practice nutrient management(Sugar Research Australia Limited, 2022)Modification of the traditional nutrient management guidelines for sugarcane production in Australia has been in progress for the past 10 years. The need for change occurred with a realisation that nutrient management should no longer only target sugarcane yields, but should be aimed at sustainability.Item Information sheet : Do you know your rusts?(Sugar Research Australia Limited, 2022)There are two well-known rust diseases of sugarcane – orange rust caused by Puccinia kuehnii and brown rust caused by Puccinia melanocephala. During the 1970s brown rust spread to many sugar industries throughout the world and, consequently, was known as ‘common’ rust. It appeared in Australia in 1978. Orange rust, although present in Australia since the 1890s, was considered a rare disease.Item Information sheet : Changes to biosecurity in the Australian sugar industry(Sugar Research Australia Limited, 2022)Biosecurity is the protection of the Australian Sugar Industry from infectious diseases, pests and other biological threats. It is achieved through systems that aim to prevent pest and disease introduction or spread, or control an outbreak. The purpose of this regulation is to prevent the movement of important sugarcane pests and diseases on machinery or in plant material through the sugarcane producing areas.