Early season apples intended for direct marketing begin to lose quality immediately after harvest. Likewise apples from CA storage lose quality as soon as the gas seal is broken. In both cases, without sufficient control of produce respiration, the …
Use of refrigeration Use of modified atmosphere (MA) storage …
Discovery and other early season apples Control of post-harvest temperature is just one part of a package of measures that have been devised to regulate the supply of fruit to the market and to ensure that produce reaches the consumer with minimal loss of …
Packaging of apples in semi-permeable films has the effect of modifying the atmosphere surrounding the produce with respect to the concentration of oxygen, carbon dioxide, nitrogen and other volatiles such as ethylene. The effects of elevated carbon …
Correct harvest date Picking on the correct harvest date is crucial in ensuring that the quality of apples reaching the consumers is optimal and that consignments meet the quality criteria that are set by multiple retailers and the wholesale market. For …
Cox’s Orange Pippin and clones for medium (December/January) to long-term storage (February/March) Picking dates of Cox for storage should be guided mainly by firmness of the fruit at the point of harvest. To achieve 6 kg firmness in fruit stored in CA …
Fungal rots are responsible for significant losses in stored apple in most seasons. They can be divided into two broad groups: Those causing rots primarily after harvest (store diseases) Those that also cause rots in the orchard (orchard diseases) …
Fruit maturity: correct harvest date is important as overmature fruit are more prone to damage and rotting. Handling: poor handling of fruit at harvest increases the risk of wound fungi such as Botrytis, Penicillium and Mucor. Mineral composition: fruit …
Botrytis The symptoms are variable depending on the variety and the source of infection. Botrytis rot associated with wounds is regular in shape, firmish, pale-mid brown in colour often with darker areas around the calyx and lenticels. Botrytis rot …
Disease status Other hosts Varietal susceptibility Distribution Symptoms and recognition Other problems that may be confused with Botrytis rot Disease cycle and epidemiology Disease monitoring and forecasting Cultural control Biological control Chemical …
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