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鄭凞敦,尹善柱,金秉烈 영남대학교 자원문제연구소 1992 資源問題硏究 Vol.11 No.-
This experiment was conducted to get the basic data for the optimum fruit harvesting time by investigation of the seasonal content changes caused by fruit growth pattern and days after anthesis in summer cucumber cultivars (Cucumis sativus L. cvs. , "Shinhukjiniu" and"Hukkwangjinju"). Fruit growth was rapidly increased as early as 8 days after anthesis for both cultivars. The growth rate in fruit length was gradually decreased to the blossom end than the upper part (peduncle) of the fruit, Chlorophyll content was maximum at 5 days after anthesis in "Shinhukjinju", whereas continuous increased upto 7 days in "Hukkwangjiniu". Fructose and glucose also observed maximum at 6 days after anthesis in "Shinhukjinju", but increased upto 7 days in "Hukkwangjinju". Sucrose have a tendency to decline through the fruit growth. Ascorbic acid content was decreased after anthesis. In weight loss during the storage, continuous decrease was observed in the earlier harvested fruits than the late ones when stored in room temperature, whereas least weight loss rate was observed in harvested fruit at 7 days after anthesis when stored at 6t, In both cultivars, the best fruit quality was obtained when harvested at 7 days after anthesis.
鄭凞敦,尹善柱,金秉烈 영남대학교 자원문제연구소 1991 資源問題硏究 Vol.10 No.-
Leaf growh patterns were compared in the different head shaped chinese cabbages, “Bokdor”(ovata type) and “Cheongsan” (cylindrica type). Many more expanded leaves were observed in "Bokdori" as compared with the "Cheongsan". "Cheongsan" was much higher in head height, but "Bokdori" was bigger in head width. Although no difference was observed in trimmed head weight (except the wrapper leaves) between the varieties, each leaf fresh weight was heavier in "Cheongsan." We also observed the double peaks of maximum growth rate through the growing period. Leaf height, leaf width and midrib were similar growth patterns, however "Cheongsan's" growth rate was more rapid than "Bokdori". Leaf index (leaf length/leaf width was similar through the growing season in "Bokdori" , whereas continuously increased to the 35th leaf in "Cheongsan". "Cheongsan", sylindrica type, was observed very rapid growth rate in early growing period but rapidly decreased in late growing period compared with the "Bokdori" , ovata type.