Research in Plant Disease 2008;14(3):205-209.
Published online December 30, 2008.
만수 품종 배의 과피 갈변 원인 구명
이중섭, 서형호, 윤익구, 최장전, 최진호, 김점국
Occurrence of Skin Browning by Mechanical Injuries on the Fruits of "Mansu" Pear
Jung Sup Lee, Hyung Ho Seo, Ik Gu Yun, Jang Jeon Choi, Jin Ho Choi, Jeom Kuk Kim
This research was carried out to elucidate the causes of fruit skin browning in ``Mansu`` pear for the last 2 years. It was observed that skin browning was induced even by the small mechanical injury produced during grading and packing for the market supplies after harvest on the fruits of ``Mansu`` pear. The incidences of fruit skin browning in pears treated with artificial mechanical injuries were investigated between ``Niitaka`` and ``Mansu`` pears. The results showed that fruits of ``Mansu`` are more susceptible to skin browning than those of ``Niitaka``. We also found that the epidermis of fruits in ``Mansu`` pear was thinner than that of ``Niitaka``, and that there was lower incidence of fruit browning in epidermis of pears with high chlorophyll content than those with low chlorophyll content. The skin browning in fruits could be considerably reduced by sorting and grading them wrapped with paper bags for the fruits of ``Mansu`` pear.
Key Words: Anti-oxidation, Fruit bag, "Mansu", Pear, Skin browning

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