Australian Apple and Pear IPDM

Independent, expert advice on integrated pest and disease management

Ask an Expert

Case Study Orchards

IPDM tools

Pests

Diseases

Weeds

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

Published - 20 March 2019
By Emily Crawford (Agriculture Victoria) and Kevin Dodds (NSW DPI)

Post harvest Scab control

Sweeping and mulching leaves, and the application of foliar Nitrogen, hastens leaf decomposition and reduces the number of Scab spores that survive into the following …
Read More

apple scab, black spot, pear scab, scab

Diseases