![]() ![]() Impacts Sequential combinations of "soft" techniques may be the best way to achieve decay control without using a postharvest fungicide in fruit crops. Excluding sodium bicarbonate due to the discoloration, the most effective sequence of orchard, postharvest, and storage treatments tested in this project was calcium chloride in the orchard, followed by BioSave 110 postharvest, followed by storage in LifeSpan modified atmosphere Chitosan also injured the fruit, resulting in an apparent increase in decay susceptibility. However, sodium bicarbonate caused the Bosc pears used in this study to darken. The most effective postharvest treatments were sodium bicarbonate and BioSave 110, resulting in decay levels comparable to or better than those provided by thiabendazole. The most effective orchard treatment was calcium chloride. ![]() ![]() In the second year of the study, orchard, postharvest, and storage treatments were all significant factors in reducing decay. However, calcium chloride in the orchard, followed by any of the postharvest treatments studied other than chitosan, may provide decay control equivalent to that provided by TBZ. These results indicate that Messenger, at least as applied in an early-season program, may not be of value in management of postharvest decay in Relatively low levels of decay were observed in all postharvest treatments other than chitosan, and average decay levels achieved with postharvest treatments other than chitosan were not significantly different from those provided by TBZ. Chitosan appeared to increase decay across all orchard treatments. In the first year of the study, across all postharvest treatments, calcium chloride orchard treatments reduced incidence of postharvest decay as compared with no treatment, but Messenger treatments did not reduce decay. The natural decay observed in this study was predominantly blue mold (caused by Penicillium expansum), with minor incidence of gray mold (Botrytis cinerea). After 3-4 months, incidence of decay developing at wound sites was evaluated. After treatments, pears were stored at 31 F inĮither standard perforated polyethylene liners or in LifeSpan modified atmosphere packaging. Prior to postharvest treatments, all pears were wounded with a nail. After harvest pears from each orchard plot received one of the following postharvest treatments: the standard fungicide thiabendazole the bacterial biocontrol product BioSave 110 sodium bicarbonate (baking soda) Storox, an oxidizing agent based on peroxyacetic acid or chitosan, a product based on crustacean shell extracts reported to stimulate disease resistance in some plants. In the orchard, Bosc pear trees received either: early-season treatments with Messenger, a product based on a protein reported to induce disease resistance in some plants summer treatments with calcium chloride or no orchard treatment. It has been recognised with an Australasian Packaging Innovation & Design Award (PIDA) from the Australian Institute of Packaging (AIP) and a WorldStar Packaging Award from the World Packaging Organisation (WPO).Progress 08/15/03 to 08/14/05 Outputs In order to evaluate decay management programs that may provide acceptable alternatives to fungicide treatment, factorial experiments were carried out in 05 combining various orchard, postharvest, and storage factors. Those that are not will decompose and not persist in the environment. And, with an 85 per cent paper recycling rate in Australia, it is expected that at least 85 per cent of the pulp trays will be recycled. It is estimated that every 208,000 oyster trays made from sugarcane over conventional plastic packaging will avoid 2,000 tonnes of fossil-fuel plastics and offset 13,207kg of carbon emissions. This sustainable alternative can have a significant impact on sustaining the industry itself and improving industry waste. Plastic is a significant pollutant in the ocean, and the seafood industry relies on the ocean for its livelihood. It’s also sturdy and stackable to simplify storage and service.Ĭurrently, single-use plastic trays are ubiquitous in the retail of oysters. ![]() It is certified home and industrially compostable with a matching PET recyclable lid. The sugarcane pulp-based (bagasse) tray features individual cavities emulating the shape of the oyster, which helps maintain product freshness and quality. Choosing not to add to the ocean plastic problem, Blue Harvest worked with packaging specialists BioPak to showcase a certified compostable and recyclable alternative to the existing industry-standard plastic tray. Blue Harvest is a specialist seafood and marketing agency working with Australian oyster producers, helping them deliver the best possible product from the water to the plate. ![]()
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