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Innovative mulcher developed by macadamia grower Lance Emery

2021 | Australian Macadamia Society | Video

Lance runs Mill Farm in Nashua in the NSW Northern Rivers region with his wife, Ina. The farm’s productive acres are on very steep country, and over the years Lance has worked hard maximising ground cover and minimising erosion. Watch now to learn about the new machine developed by Lance, protecting ground cover and controlling pest.

Environmental effects on flower blight pathogens

2021 | Akinsanmi F, Prassannath K, Galea VJ | Article

Flower blights (grey mould, green mould and dry flower) are important diseases of macadamia. Lack of information on pathogen biology and disease epidemiology in macadamia has hampered control options. Effects of climatic variables including temperature, relative humidity (RH) and vapour pressure deficit (VPD) on the abundance, germination and growth of conidia of four fungal pathogens that cause various flower blights in macadamia were studied.

Macadamia Plant Protection Guide 2021 - 2022, NSW DPI Management Guide

2021 | Bright J | Manual/guide

This 7th edition of the NSW Macadamia plant protection guide aims to provide commercial macadamia growers with up-to-date information on all aspects of protecting your orchard from pests and diseases.

Botryosphaeria dieback (March 2021 MacGroup)

2021 | Akinsanmi F | Presentation

If left unchecked, the disease Botryosphaeria (which is becoming more prevalent in macadamia) can kill trees. Symptoms are first seen in late Spring, becoming more evident by mid to late Summer. Susceptible cultivars are A203 and 849. Dr. Akinsanmi outlined the specific conditions/time when spores are abundant, as well as control measures.

Botryosphaeria dieback (March 2021 MacGroup video)

2021 | Akinsanmi F | Video

If left unchecked, the disease Botryosphaeria (which is becoming more prevalent in macadamia) can kill trees. Symptoms are first seen in late Spring, becoming more evident by mid to late Summer. Susceptible cultivars are A203 and 849. Dr. Akinsanmi outlined the specific conditions/time when spores are abundant, as well as control measures.

Understanding Botryosphaeria (Branch dieback)

2021 | Australian Macadamia Society, Akinsanmi F | Video

This video with Dr Femi Akinsanmi from University of Queensland, discusses Botryosphaeria and why is it important for macadamia growers to understand. This includes signs/symptoms of Botryosphaeria infection, more susceptible cultivars, factors contributing to the disease spreading and treatment of Botryosphaeria.

Scarab beetle infestation causing slow tree decline

2020 | NSW DPI, Bright J | Fact Sheet

Scarab beetles are present in all macadamia growing regions of Australia. Reports of scarab beetles in the 2013–14 macadamia season and again in 2017 and now 2020 suggest that they appear to be a dry weather pest or at least a pest that is seen most when dry conditions prevail.

Macadamia Plant Protection Guide 2020-21, NSW DPI Management Guide

2020 | Bright J | Manual/guide

This 6th edition of the NSW Macadamia plant protection guide aims to provide commercial macadamia growers with up-to-date information on all aspects of protecting your orchard from pests and diseases.

Tank mixing agricultural chemicals

2020 | Australian Macadamia Society, Kojetin L, Whitten M | Fact Sheet

When done correctly, mixing different chemicals in the same spray tank is a good way of reducing the number of spray operations needed and of saving costs. When done incorrectly, however, it can result in incompatibility issues leading to poor results or a big mess to clean out of your tank, filters, screens, nozzles and lines, or both.

Botryosphaeria Branch Dieback (Feb/March 2020 MacGroup)

2020 | Akinsanmi F | Presentation

Associate Professor Olufemi Akinsanmi discussed branch dieback and whether this was caused by Botryosphaeria or the recent droughts.

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