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Effects of Stock Plant Management and Foliar Spray of GA on the Flower Quality in Hydroponically Grown Chrysanthemum cv. 'Shinma'  

Hwang, In Taek (Jeonnam Agricultural Research & Extension Services)
Cho, Kyung Chul (Jeonnam Agricultural Research & Extension Services)
Kim, Hee Gon (Jeonnam Agricultural Research & Extension Services)
Ki, Gwang Yeon (Jeonnam Agricultural Research & Extension Services)
Yoon, Bong Ki (Jeonnam Agricultural Research & Extension Services)
Kim, Jung Guen (Jeonnam Agricultural Research & Extension Services)
Han, Tae Ho (Department of Plant Biotechnology, Chonnam Nat'l Univ.)
Lee, Jeong Hyun (Department of Plant Biotechnology, Chonnam Nat'l Univ.)
Yoo, Yong Kweon (Major in Horticultural Science, Division of Bioscience, Mokpo National University)
Publication Information
FLOWER RESEARCH JOURNAL / v.18, no.4, 2010 , pp. 256-260 More about this Journal
Abstract
This study was carried out to investigate effects of stock plant management and foliar spray of GA on the flower quality in hydroponically grown chrysanthemum 'Shinma'. In the growth and development as affected by stock plant management, cut flower length, petal number and cut flower weight were the best in the plot of long day and chilling treatment showed 114 cm, 298 and 102 g, respectively. Chlorophyll content(SPAD-value) was the highest in the plot of foliar spray of diluted Molbia(1 : 500). Flower quality according to concentration and spray time of gibberellin showed a different pattern. Cut flower length was the longest in the plot of solution diluted to 1 : 1,000 spraying before flowering at 60 days, petal number was the most in 1 : 500 at 60 days, and cut flower weight was the heaviest in 1 : 2,000 at 60 days, respectively. However, peduncle length was tended to be elongated with foliar spray of gibberellin solution diluted to 1 : 500 or 1 : 1,000 before flowering at 45 days.
Keywords
hydroponic; direct-slip planting; stock plant management; GA;
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