scab Archives - Australian Apple and Pear IPDM | Australian Apple and Pear IPDM

Topic: scab

published - 7 January 2020
By David Williams (Agriculture Victoria)

RIMpro and how that fits with scab and codling moth predictions

When using RIMPRO or other forecasting systems that do not require you to enter either trap data or a biofix derived from your own data be aware that these systems use degree day calculations based on accumulations from a calendar date to forecast the biofix. This is not necessarily a …
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codling moth, RIMPRO, scab

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 on fallen leaves under your trees. In pears, the disease might also overwinter on infected shoots. In Spring during rainfall events, these spore bodies release …
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black spot, scab

Diseases

published - 14 May 2019

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 management and early season management techniques to minimise and control Scab.
Scab ground cover management:

Early season Scab management:

Reviewed by Kevin Dodds, NSW DPI.

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 season (Photo: Crendon Machinery)
Autumn is the time when Black spot (apple and pear scab) spores prepare to over-winter and become a source of infection in …
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apple scab, black spot, pear scab, scab

Diseases