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Factors Associated with the Occurrence of Fruit Skin Stain during Growing Period in `Niitaka` Pear
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 Title & Authors
Factors Associated with the Occurrence of Fruit Skin Stain during Growing Period in `Niitaka` Pear
Moon, Byung-Woo; Nam, Ki-Woong; Moon, Young-Ji;
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 Abstract
BACKGROUND: Caused by cultural environment, the fruit skin stain results in serious damages to pear fruit. Particularly susceptible to this damage, `Niitaka` pear accounts for 82% of pear cultivation in Korea and many farmers growing the pear trees have suffered economic losses due to fruit skin stain. This study investigated the effect of different treatments of `Niitaka` pear during growing period on the occurrence of fruit skin stain. METHODS AND RESULTS: The treatments in the field included gibberellin (GA) paste, spraying with amino acid tree fertilizer, functional bagging, and coating of the inner paper bag with agents. The relationships between tree vigor, mineral nutrition concentration and fruit skin stain occurrence were also investigated. The fruit skin stain symptoms occurred from young fruit (May 25) until harvest. There was no exposed fruit flesh. The occurrence of fruit skin stain was significantly reduced in normal tree (shoot length 110 cm), as well as using GA paste treatment, and bagging in calcium and lime sulfur coated bags. However, spraying with amino acid tree fertilizer made no difference in comparison to control. In addition, bags in which the inner paper was coated with lime sulfur and soybean oil resulted in chemical injury to the fruit skin caused by bagging. The K concentration of shoot wood and fruit skin were higher than those of the control. Also, there were lower T-N, K concentration of leaf. CONCLUSION: These results suggest that occurrence of fruit skin stain in `Niitaka` pear fruits during the growing period can be reduced by GA paste and bagging in calcium and lime sulfur coated bags. The symptoms of chemical injury to the fruit skin caused by bagging in lime sulfur and soybean oil coated inner paper were different compared to skin stain occurring in fruit during the growing period.
 Keywords
Coating agent;Fruit skin stain;Gibberellin paste;Lime sulfur;Niitaka pear;
 Language
Korean
 Cited by
 References
1.
Ahn, Y.J., Choi, J.S., Moon, B.W., Chun, J.P., 2009. Bagging of Ca-coated bag affects calcium content and physiological changes in 'Niitaka' pear fruits, Kor. J. Hort. Sci. Technol. 27, 540-546.

2.
Choi, S.J., Hong, Y.P., Kim, Y.B., 1995. Prestorage treatments to prevent fruit skin blackening during cold storage of Japanese pear 'Singo'(Niitaka'), J. Kor. Soc. Hort. Sci. 36, 218-223.

3.
Hong, Y.P., Jung, D.S., Lee, S.K., 2003. Causal factors of black stain during cold storage of pear(Pyrus pyrifolia cv. Niitaka) and its postharvest control, Korean J. Food Preserv. 10, 447-453.

4.
Johnson, E.M., Sutton, T.B., Hodges, C.S., 1997. Etiology of apple sooty blotch disease in North Carolina, Phytopathology 87, 88-95. crossref(new window)

5.
Kim, J.H., 1975. Studies on the causal factors of skin browing during storage and its control method in 'Imamuraaki' pear (Pyrus serotina Rehder), J. Kor. Soc. Hort. Sci. 16, 1-25.

6.
Kim, J.K., Lee, H.C., Hong, K.H., Yun, C.J., 1999. The causes of fruit skin contamination during fruit development in oriental pear, J. Kor. Soc. Hort. Sci. 40, 436-438.

7.
Kim, J.K., Park, Y.S., Seo, H.H., Lee, H.C., Lee, J.S., 2006. Factors involved with the incidence of black stain in pear fruits during growing season, Res. Plant Dis. 12, 164-167. crossref(new window)

8.
Lim, B.S., Kim, J.K., Gross, K.C., Hwang, Y.S., Kim, J.H., 2005. Gradual postharvest cooling reduces blackening disorder in 'Niitaka' pear(Pyrus pyrifolia) fruits, J. Kor. Soc. Hort. Sci. 46, 311-316.

9.
Moon, B,W., Yun, M,S., Ahn, Y,J., Lee, J.C., 2003. Effects bagging with calcium treated paper bag on calcium contents and quality in 'Niitaka' pear fruit, J. Kor. Soc. Hort. Sci. 44, 349-352.

10.
Nam, K.W., Oh, S.Y., Yoon, D.Y., 2014. Pear skin stain caused by Mycosphaerella graminiccola on Niitaka pear (Pyrus pyrifolia Nakai). Plant Pathol. J. 30, 220-235. crossref(new window)

11.
Park, Y.S., Kim, K,C., Lee, J.H., Kim, I.S., Choi, Y.S., Cho, S.M., Kim, Y.C., 2008a. Etiology and chemical control of skin sooty dapple disease of Asian pear, The Korean Journal of Pesticide Science 12, 375-381.

12.
Park, Y.S., Kim, K,C., Suh, H.S., Kim, Y.C., Cho, B.H., Hwang, Y.S., 2008b. The skin sooty dapple disease of pear caused by fungi., Kor. J. Hort. Sci. Technol. 26, 90-96.

13.
Rosenberger, D.A., Engle, C.A., Meyer, F.W., 1996. Effects of management practices and fungicides on sooty blotch and flyspeck diseases and productivity of Liberty apples, Plant Dis., 80, 798-803. crossref(new window)

14.
Seo, H.H., Lee, J.Y., Jung, H.W., 2010. Fruit appearance improvement by using filter-attached paper bags in 'Niitaka' pears, Hort. Environ. Biotechnol. 51, 73-77.

15.
Seo, J.H., Hwang, Y.S., Chun, J.P., Lee, J.C., 2000. Influence of pre- and post-harvest treatment on the occurrence of skin browning and fruit quality in 'Niitaka' pears, J. Kor. Soc. Hort. Sci. 41, 602-606.

16.
Yun, S.D., Hong, Y.P., Mok, I.G., Lee, C.S., 2000. Factors involved with the incidence of black stain in 'Niitaka' pear during storage, J. Kor. Soc. Hort. Sci. 41, 523-525.