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Occurrence of physiological browning disorders in stored ‘Braeburn’ apples as influenced by orchard and weather conditions
Postharvest Biology and Technology ( IF 6.4 ) Pub Date : 2021-03-22 , DOI: 10.1016/j.postharvbio.2021.111534
R.J. McCormick , K. Biegert , J. Streif

Physiological storage disorders continue to cause sizable economic losses in a range of commercially important pomefruit cultivars. Given similar storage regimes, the incidence and severity of browning disorders in the apple cultivar ‘Braeburn’ can vary in different years in a way that can be explained by the interaction of preharvest seasonal and orchard factors. Over a three-year period (2016–2019) at the Kompetenzzentrum Obstbau Bodensee (KOB) in Southwest Germany a range of orchard and storage treatments were conducted for: air temperature during cell division for three weeks post petalfall or during four weeks preharvest, and crop load. Following controlled atmosphere (CA) storage, the disorder incidence for internal browning and cavity formation varied markedly over the three different growing seasons. Crop load treatments strongly influenced the expression of browning disorders in all years. Differences in air temperatures (△ +/- 2 °C compared to ambient) during the cell division period showed little effect on browning incidence. Warm night temperatures (>10 °C) prior to harvest can reduce internal browning in ‘Braeburn’ apples during CA storage and shelf-life.



中文翻译:

果园和天气条件的影响,在储存的“ Braeburn”苹果中发生了褐变生理现象

生理贮藏障碍继续在一系列具有重要商业意义的柚子品种中造成可观的经济损失。在相似的存储方式下,苹果品种“ Braeburn”褐变的发生率和严重程度在不同年份可能会有所不同,这可以通过收获前季节和果园因素的相互作用来解释。在德国西南部的Kompetenzzentrum Obstbau Bodensee(KOB)的三年期间(2016-2019年),进行了一系列果园和储藏处理:作物负荷。在控制大气(CA)储存之后,内部褐变和空洞形成的失调发生率在三个不同的生长季节明显不同。多年来,农作物负荷处理强烈影响着褐变疾病的表达。细胞分裂期间的空气温度差异(与环境温度相比,△+/- 2°C)对褐变的发生率影响很小。采摘前的温暖夜间温度(> 10°C)可以减少CA储存和保质期内'Braeburn'苹果的内部褐变。

更新日期:2021-03-23
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