4HONG, KH. The effects of kind of fruit bag and bagging date on fruit quality of wbangkeum bae pear [J].Research Rual Development Administration, Horticulture, 1989, 31(4): 26-33.
5Song-Gi Cheng. Effects of the oil mixing methods and rations for paper bags on the physical diaractetistics of paper bags and fruit qualities in niitaka pear[J]. RDA Journal of Horticulture Science, 1998, 40(1) : 119-124.
6Hong kyunghy. Russet prevention of whangkeum bae pear by fruit bagging[M]. Journal of the Korean Society for Horticultural Science, 1996, 37 (2): 279-284.
7Giuliano G, Bartley GE, Scolnik PA. Regulation of carotenoid biosynthesis during tomato fruit development. Plant Cell, 1993(5): 379-387.
