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MacAlert January 2023

2023 | Australian Macadamia Society | Manual/guide

Key messages this month include: • Spotting Bugs. Although shells have hardened, damage is still possible and will be worse after rain. • Leptocoris. More Leptocoris have been found in orchards. We don’t know if this is due to population surges or better late season (knockdown) monitoring. • Macadamia Nut Borer. MaxTrix wasp releases should continue into January. This is particularly important if you have thin shelled cultivars. • Is it Husk spot or Husk rot? They need to be dealt with differently. • Water requirements are now at their maximum, but most regions have ample water in the soil profile. • Have a plan in place to deal with storm damage to the orchard and infrastructure. • Start preparing for preharvest clean-up. Orchard floor fanatics make more money. • This won’t be a “usual” season with regard to nut deliveries. Ensure you have plans in place and adequate storage options.

MacAlert December 2022

2022 | Australian Macadamia Society | Manual/guide

Key messages this month include: • Macadamia Nut Borer (MNB), keep monitoring for MNB eggs. It is critical in December to release MacTrix and understand its' limitations. • Spotting bugs, keep monitoring by examining fallen nuts for evidence of damage and then swapping to in tree monitoring. • If you have trees younger than four years that may not be bearing, remember they can be affected by pests that will hamper growth. • There is nutritional demand to support both spring flush and developing nuts. • Storm season is here again, and you will need to be prepared to deal with any orchard damage. • Benchmarking data collection is underway for the 2022 season. • Start a conversation with your processor. With global and potential domestic oversupply, many things will be different to what is “usual”.

AMS News Bulletin Summer 2022

2022 | De Silva A, Hawkes D, Peters T, Smith A, Kojetin L, Bond D, Smit T, Griffin K, Weinert M, Trueman S, Broadley R, Penter M, Wallace H, Price J, Chirgwin G, Alam M, Kamper W, Nichols J, Hosseini Bai S, Ogbourne S, Thorpe G | News Bulletin

Australian kernel sales hold steady amid upturn in new products with macadamias
Leoni's orchard rounds (IDM update)
First meeting of Macadamia Masterclass
From manual to autonomous
Concrete matting an option for erosion control
Collecting accurate weather data on farm
Protecting and restoring macadamia habitat
Cracking the Indian market: why now is the time for Australian macadamias
While self pollination drives down kernel recovery, most macadamia nuts are produced by cross-pollination
Trunk girdling revisited
The latest on new industry cultivars G, J, P and R
New macadamia cultivars to lower production costs
AMS Awards of Excellence
Conference wrap
Sustainability reporting - getting the credit you deserve
New online tool to unlock carbon curiosity
When weeds are the good guys
Soil samplers and samples sought
Canopy management strategies in older orchards: grower perspectives
WMO One year on
Fibreglass stakes: a grower experience

MacAlert - November 2022

2022 | Australian Macadamia Society | Manual/guide

• With the current conditions, monitoring for spotting bug will be critical. Look for damage at least weekly and later you will need to drop sheet to understand blind damage. • Monitor for macadamia nut borer (MNB) eggs signalling the start of flights into the orchards, to help time releases of MacTrix. • Check shed nuts on the ground for macadamia seed weevil (MSW) eggs or larvae. • Leaf miner will likely be driving you crazy! We have had a season like no other for this usually minor pest. • With later flowering and very wet season, a later than usual husk spot control program may be required. • Nutritional demand is increasing to support both a new flush and developing nuts. • Orchards don’t need to look like golf courses! There are huge benefits to letting the orchard go. • The potential for damage from hail, wind, excessive rain or flooding from intense storms is increasing and will remain through summer, so be prepared. • The new ‘Macadamia Industry Benchmarking & Sustainability Insights 2022-2027’ project has started and data collection for the 2022 season is underway, but they need you to complete the collection form.

Industry benchmarking report 2009 - 2021

2022 | QDAF | Research report/Update

Yield, quality and planting information has been collected annually from macadamia farms throughout Australia since 2009. These data are provided either directly by growers or by processors on their behalf. Cost of production data has also been collected annually since 2013.

MacAlert - October 2022

2022 | Australian Macadamia Society | Manual/guide

• If your orchard has a history of husk spot and/or susceptible cultivars, you need to be ready to apply fungicide as nutlets reach match-head size. • Macadamia seed weevil (MSW). As weevils try lays their eggs between the husk and developing nut, there is a critical period to protect. • Spotting bug, early in the season look for damage on nutlets as they reach pea size. • Banana fruit caterpillar (BFC). In northern regions, monitor for BFC in leaf litter. • If you are unsure of how trees are progressing nutritionally, spring is a good time to sample leaves after flowering before the new flush. • Current demand for potassium and calcium is high from developing nutlets. • October/November are generally the last months you can apply animal manures and uncomposted material. • Keep up monitoring and sprayer maintenance over the next few months. • The forecasted wet period ahead is an opportunity to seed/plant areas of your farm that need improved groundcover.

Macadamia Weather Network

2022 | Australian Macadamia Society | Manual/guide

The Macadamia Weather Network has been developed to provide AMS grower members, industry stakeholders and researchers with real-time weather station data from across multiple macadamia growing regions in Australia.

AMS News Bulletin Spring 2022

2022 | Haase M, Kojetin L, Bond D, Akinsanmi F, Griffin K, Price J, Mainali B | News Bulletin

Challenges on the horizon as global supply continues to grow
Ruth Huwer calls it a day after a long and successful career
Macadamia growers lead the way in Reef Certification
Successful macadamia open day for MCT
MC21001 – an integrated disease management approach for the Australian macadamia industry
Project MC21000 – an integrated systems-based approach for pest management in Australian macadamia
Around the regions with pest scouts
Varroa mites – small size, big impact
Avoiding pesticide resistance
Inadequate coverage limits pest and disease management Far North Queensland macadamias
Growers take on the challenge in FNQ
Taking advantages of opportunities in FNQ
Macadamia growers lead the way in Reef Certification
Managing macadamia flowering
Visual monitoring for flower health
Effective pollination helps increase yield
Positive reaction to electrostatic sprayers
AgTech on trial at Bundaberg
Disaster funding helps recovery for Rous orchard
Floods and rain test resilience
Australian food personality Magdalena Roze shares her macadamia farm experience
Macadamias flip the script on fat as consumers seek satiety and heart healthy ingredients
Off the shelf is out of the box for floodplain farm
How macadamias and ice cream helped to rebuild a nation
Successful macadamia open day for MCT
Australian macadamia minor use and emergency permits

MacAlert - September 2022

2022 | Australian Macadamia Society | Manual/guide

Key topics this month include: • Monitor weekly to fortnightly for pest and diseases that affect flowers. • Best practice during flowering is to bring managed pollinators into the orchard to assist naturally occurring pollinators and hives that remain year-round. • During spring, biological processes and input demands will increase. • All preparations for spraying should now be complete and your equipment calibrated and ready to go. • You are likely to be doing some sort of canopy management over the next few months. Remember to be safe.

MacAlert - August 2022

2022 | Australian Macadamia Society | Manual/guide

Key Topics this month include: • Start monitoring for pest and diseases that impact flowers. • If you haven’t already done so, book a pest consultant to regularly monitor your orchard. • As weather warms tree nutrition and water requirements will increase, particularly as flowers have started to emerge so early in the season. • At the end of harvest season, which for many is still far away, conduct a thorough audit of what needs to be repaired. • Once you have finished harvesting review your season with your consultant/GLO and decide on post harvest orchard floor repair and canopy management. • Prepare for the start of a new crop protection season. • Have an agreement with your beekeeper if you’re bringing managed pollinators into the orchard.

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This website has been partly funded by Hort Innovation, using the macadamia research and development levy and contributions from the Australian Government.