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Effect of Drainpipe Height and Media Composition on Growth and Yield of Soilless Cultivated Cut Rose in Container Culture  

Choi, Gyeong-Lee (Protected Horticulture Research Station, NIHHS, RDA)
Cho, Myeong-Whan (Protected Horticulture Research Station, NIHHS, RDA)
Cheong, Jae-Woan (Protected Horticulture Research Station, NIHHS, RDA)
Roh, Mi-Young (Protected Horticulture Research Station, NIHHS, RDA)
Rhee, Han-Cheol (Protected Horticulture Research Station, NIHHS, RDA)
Publication Information
Journal of Bio-Environment Control / v.19, no.4, 2010 , pp. 240-245 More about this Journal
Abstract
The objective of this study was to determine the effect of different height of drainpipe and growing media soilless cultivated cut rose in container culture. Two experiment were to examine the effect of the drainpipe height and media composition on yield and quality of cut rose, Four different drainpipe height (0, 3, 6, 9 cm) were treated to determine of optimal container type. Yield was the highest at 3 cm drainpipe height, but quality was not significantly affected by drainpipe height. Survival rate of rose was 100%, 100%, 92%, and 92%, respectively. Two different drainpipe height (0, 3 cm) and 7 media composition (pure coir and pelite, and mixed with two media 3 : 1, 2 : 1, 1 : 1, 1 : 2, 1 : 3 v/v) was treated to determine of media composition related to drainpipe height. The supply of nutrient solution was controlled by the signal of water potential at -5 kPa using frequency domain reflectometry (FDR) sensor in mixed coir with pelite 3 : 1, 1 : 1, 1 : 3 (v/v), respectively. Irrigation frequency reduced in high ratio of coir media and 3 cm height of drainpipe. Quality of cut rose except for flower weight and yield until 2nd harvest was not significantly affected by drainpipe height, but yield after 3rd was higher at 3 cm than 0 cm height of darinpipe. In the media composition, yield and qulity of cut rose was increased at high ratio of coir media.
Keywords
container culture; cut rose; drainpipe height; growing media;
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