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| Container Type | Dimensions (cm / m) | Weight Range | Notes |
|---|---|---|---|
| 20 Litre Drum | 23 × 30 × 40 cm | 23–27 kg (varies by product) | Standard size for smaller quantities of Organica liquid formulations. |
| 20 Litre Bucket | 30 × 30 × 40 cm | 23–27 kg (varies by product) | Used for Organica paste, suspension, or heavy nutrient blends requiring a wider base. |
| 200 Litre Drum | 1.2 × 1.2 × 1.2 m | 240–300 kg | Commonly used for bulk product supply to farms and distributors. |
| 1000 Litre IBC | 1.2 × 1.2 × 1.2 m | 1.2–1.6 tonnes | Ideal for large-scale agricultural applications and long-term storage of Organica liquid nutrients. |
*All weights are approximate and may vary depending on the Organica product composition and density.
| File | Title | File Description | Type | Section |
|---|---|---|---|---|
| MSDS-Ganixx-bio-Silica-Barrier.pdf | Organica Bio Silica Barrier | Material Safety Data Sheet | Specifications | Document |
A successful Grove Management Plan must cover these key areas:
"A grove without an effective irrigation system is unlikely to deliver consistent yields year after year. Many growers still underestimate the water needs of olive trees, and few actually monitor soil moisture levels. This is why so many groves have never achieved a commercial crop." Marcelo Berlanda Specialist Olive Consultant
Water stress negatively affects flowering, fruit set, oil accumulation (oil production), fruit size (table olives), fruit quality, and overall tree health. However, many growers lack a proper system to monitor soil moisture or manage irrigation effectively.
Marcelo recommends:
"Growers should inspect soil moisture weekly during spring and summer, and every two weeks in autumn and winter. Use a shovel to dig at least 400mm under the tree canopy to check moisture. If the soil is hard to dig, it’s too dry – even if the canopy shows no visible signs of stress."
Advanced soil moisture monitoring tools can also provide reliable data on a digital display or computer dashboard.
For optimal grove health, growers must consistently check soil moisture and prevent water stress.
As discussed previously, taking leaf samples is essential to assess your trees’ nutritional status. This information guides the creation of a fertiliser program, a critical component for boosting or maintaining yields.
Typically, no fertiliser is needed in winter, unless you’re addressing soil amendments. However, some groves have severe nutrient deficiencies requiring fertiliser even in winter. Where proper irrigation systems aren’t in place, growers must broadcast fertiliser before rain to allow rainfall to incorporate nutrients into the soil profile, an inefficient use of resources but often the only option.
When applying fertiliser in these conditions, target the area beneath the canopy and, if possible, cultivate the soil to improve incorporation and reduce product loss.
Olives need four essential nutrients: Nitrogen, Phosphorus, Potassium, and Calcium. Check product labels carefully. As a general guideline, aim for:
Avoid pruning during the coldest part of winter and when it’s wet or foggy to reduce the risk of bacterial and fungal disease spread.
The main goals of pruning are to remove dead wood, reduce canopy size, restore tree balance, encourage healthy new growth, and increase fruit set in spring.
Tip: After pruning, apply a copper-based spray to protect wounds from infection by fungi and bacteria.
Pest & disease management is crucial for sustaining yield and tree health. Winter’s colder temperatures reduce insect activity, offering a prime time to tackle pest issues.
Set up a comprehensive Pest and Disease Monitoring Program. During winter, check-marked trees (previously affected by pests or diseases) every two weeks; in spring, check weekly. Look under leaves and on new growth for signs like crawlers, yellow spots, black sooty mould, or anything unusual.
Proactive, weekly management is essential for a successful grove.
If you need further assistance, please contact us.
Queensland fruit fly (Bactrocera tryoni), commonly known as Q-fly, is Australia’s most economically significant horticultural pest. Its widespread impact on the stone fruit, citrus, and vegetable industries is well documented. However, its interactions with olives are less widely understood and often underestimated.
For olive growers, Q-fly occupies a grey zone i.e. it is not a primary pest, yet it can cause issues in olives. Under the right conditions, it can shift from a background risk to a notable issue affecting both production and fruit quality. This article explores the current scientific understanding of Q-fly in olive systems and outlines practical implications for commercial growers.
Q-fly is a native Australian species with an exceptionally broad host range, attacking more than 200 fruit and vegetable species. Its success stems from high adaptability and it thrives across varied climatic zones, readily shifts between host crops, and persists in mixed agricultural and peri-urban environments.
Female flies lay eggs directly into fruit, where larvae feed on the pulp. This internal feeding leads to fruit breakdown, premature drop, and entry points for secondary fungal pathogens. Population build-up is strongly driven by temperature, humidity, and host availability, with rapid increases occurring during warm, wet conditions.
Olives (Olea europaea) are generally considered a minor or occasional host for Queensland fruit fly. However, this label can be misleading.
Australian research and field observations show that:
Q-fly females can and do oviposit in olive fruit.
Larval development can occur when conditions are favourable.
Damage tends to be sporadic but can become locally significant.
Importantly, olives often serve as a late-season host. When preferred summer fruits are no longer available, olive groves can help sustain fruit fly populations into autumn, integrating them into the wider ecological landscape supporting Q-fly.
For most olive growers, Q-fly is not a constant threat, but risk escalates under certain conditions:
Olives frequently remain on trees after stone fruit and other summer crops have finished. Residual fly populations may then target olives as an alternative host.
Seasons with above-average rainfall and humidity can trigger significant Q-fly surges, increasing attacks on less-preferred hosts like olives.
Larger-fruited table olive varieties tend to be more susceptible than smaller oil cultivars, likely due to greater suitability for oviposition.
Groves located near stone fruit orchards, citrus blocks, or unmanaged backyard hosts face substantially higher pressure. Because Q-fly is highly mobile, isolated on-farm management has limited impact.
Direct yield losses from Q-fly in olives are usually modest. The more serious consequences relate to fruit quality.
Egg-laying punctures (“stings”) and larval feeding cause premature softening, fruit drop, and internal breakdown.
Q-fly entry wounds create ideal infection sites for fungal pathogens such as anthracnose. This can accelerate fruit decay, increase rot incidence, and compromise outcomes during oil extraction.
Infested fruit can elevate free fatty acids (FFA), introduce oxidative defects, and shorten shelf life. Even low levels of damaged fruit can affect overall oil quality in premium production systems.
Q-fly is opportunistic, management in olives should be integrated, cost-effective, and scaled to actual risk.
Monitoring
Start with reliable monitoring using:
Sanitation remains one of the most effective tools:
Protein bait sprays targeting female flies are a proven option, especially in higher-risk areas. Their efficacy increases markedly when applied as part of coordinated area-wide programs rather than isolated efforts.
Area-Wide Approaches
Research demonstrates that Q-fly is best managed regionally through:
Olive growers benefit significantly from participating in these broader initiatives.
Climate variability is likely to reshape Q-fly dynamics. Warmer temperatures and shifting rainfall patterns may extend the fly’s active season, improve overwintering survival, and increase pressure in regions previously considered lower risk. Combined with expanding horticultural plantings that provide continuous host availability, Q-fly is expected to remain a persistent secondary consideration for the Australian olive industry.
Queensland fruit fly is not the primary pest challenge for olive growers, but it is a highly adaptable opportunist within the same production environment. In most seasons, it remains in the background; in challenging seasons, it can contribute to quality downgrades, disease pressure, and market complications.
The recommended approach is not alarm, but informed awareness: monitor early, manage regionally, and recognise that olive groves form part of the broader fruit fly ecosystem rather than existing outside it.
