To calculate Cumulative Leaf Infested Days (CLIDs) you need to first monitor weekly or fortnightly using the 10 leaves / tree method and calculate the % of Infested Leaves (click here to download a template Monitoring Sheet). Here is an example of how to calculate the % of infested leaves: [...]
European Red Mite (ERM), Two Spotted Mites (TSM) and Bryobia mites all commonly affect apple and pear orchards. David Williams (Principal Researcher, Agriculture Victoria) discusses how to identify, monitor and control mites in the following three videos: Mite Monitoring https://www.youtube.com/watch?v=siDrB86ozxM Mite Monitoring - understanding Cumulative Leaf Infested [...]
When monitoring for Loopers, the first thing David Williams does when he walks into a block is have a look at the trees. "If I can see insect dropping on leaves and a few chewed leaves, I stand still and quiet, letting only my peripheral vision watch for movement. You're [...]
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 educate your pruning staff to look for evidence of key pests and diseases while they are working among your trees. Watch out for: ERM and [...]
David Williams (Principal Research Scientist, Agriculture Victoria) discusses identification, monitoring and control of Mealybugs, including how to identify the difference between Mealybugs and their natural predator (Mealybug Ladybird) larvae which look confusingly similar. https://www.youtube.com/watch?v=weiI0sKVQG8 Reviewed by Kevin Dodds, NSW DPI.
Monitoring as part of IPDM often means using a hand lens. This video provides tips on how to use one effectively. https://www.youtube.com/watch?v=Yr9sumBtPUs
Monitoring mites Late November is the time to start monitoring for Two-spotted, European red and Bryobia mites. Although fortnightly monitoring is usually sufficient unless numbers are approaching the action threshold, the use of random sampling in weekly monitoring allows you to cover a greater spread of the orchard and increases [...]
