Published - 8 October 2020 By Oscar Villalta (Agriculture Victoria) and David Williams (Agriculture Victoria) Apple Powdery Mildew Symptoms First symptoms seen on infected buds a few days after they open. Symptoms appear on expanding leaves as a small white-grey lesions that have powdery fungal … Read More apple powdery mildew, powdery mildew Diseases
Published - 19 March 2020 By David Williams (Agriculture Victoria) and Allan McWaters (QLD DAF) Bitter Rot (Glomerella) Bitter Rot (Glomerella) is a disease mostly only found in apples and symptoms mostly develop as the fruit approaches maturity. The rot starts as small … Read More Bitter Rot, Glomerella Diseases
Published - 28 January 2020 By Alison Mathews (DPIRD WA) Apple Scab in WA and fungicide resistance Andrew Taylor of DPIRD spoke about apple scab and fungicide resistance at the recent Apple and Pear IPDM field day in Manjimup, Western Australia. Andrew, … Read More apple scab, fungicide resistance, WA Diseases, Resources
Published - 30 October 2019 By Kevin Dodds (NSW DPI) Do I have Primary Scab infection? ……and what does this mean for my Summer-Autumn spray program? Black spot otherwise known as apple and pear scab (caused by the fungal pathogens Venturia inequalis and V.pirina), survives through Winter as spore bodies mostly … Read More black spot, scab Diseases
No Black Spot Warning (Queensland only) 15th October 2019 Rain last night did not cause a black spot infection period. Rainfall was apparently very patchy across the Granite Belt but significant falls of 4-6 … Read More black spot, grower alert, warning Diseases, Home, QLD
Published - 12 October 2019 By Peter Nimmo (Queensland Dept Agriculture and Fisheries) Black Spot Warning 11 October 2019 Rain this morning Friday, 11 October, has triggered a black spot ascospore release in most orchards across the district. Apple leaves remained wet well into … Read More black spot Diseases
Published - 1 October 2019 By Dr Jacqueline Edwards (Plant Pathologist, Agriculture Victoria) Botryosphaeria Failed graft union in a young apple tree and Botryosphaeria was diagnosed as the cause (Photo: J Edwards, DJPR) Many trees and shrubs can be attacked … Read More Botryosphaeria, fungi, tree wounds Diseases
Published - 18 September 2019 By Emily Crawford (Agriculture Victoria) and Russell Fox (IK Caldwell) In a dry spring, plan for Powdery In a dry Spring when spraying for Black Spot is unlikely to occur, it’s important to plan for Powdery Mildew. Especially in new varieties of apples, … Read More pink, powdery mildew Diseases
Published - 21 June 2019 By Emily Crawford (Agriculture Victoria) Monitor while pruning to get ahead Pruning is an opportunity to monitor for diseases and pests so you are ahead of the game later in the season. Take a moment to … Read More Bryobia mite, european red mite, monitoring, San Jose Scale, snails, Wood Rotting fungi, woolly aphid Diseases, Pests
Published - 14 May 2019 By Scab (Black Spot) Management Scab can be an issue in apple and pear orchards. In the following two videos David Williams (Principal Research Scientist at Agriculture Victoria) discusses ground cover … Read More apple scab, black spot, ground cover management, pear scab, scab Diseases
