Study on Surface Dot Piting of Lingwu Long Jujubes

Lan Chen; Wei Dong Su; Xiao Bo Zhang; Xi Hong Li; Qi Li; Mei Mei Hao

doi:10.4028/www.scientific.net/AMR.971-973.262

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 971-973Study on Surface Dot Piting of Lingwu Long Jujubes

Study on Surface Dot Piting of Lingwu Long Jujubes

Abstract:

The experiment was carried to study a new storage disease of Lingwu long jujubes —surface dot piting and its incidence regularity .There was no abnormal fruit at room temperature ,while fruits storage at lower temperature started to appear concave spots on the seventh to tenth day. The size and distribution of spots are irregular ,and flesh browning and ligneous occurred at the lesion site. SEM results showed that relatived to the peel of the healthy fruit, the microstructure of the epidermal tissue of the lesion site was uneven and rough ,which showed large areas of uniform crack band, and the flesh tissue is messy, with varying degrees of wrinkles, looser organization, or seriously damaged. There was significant negative correlation between this new storage disease and storage temperature, whereas no correlation with gas composition, humidity or other storage conditions.