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KMID : 0903620010420020201
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Journal of the Korean Society for Horticultural Science
2001 Volume.42 No. 2 p.201 ~ p.204
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Effects of Shading and Growth Regulator Treatment on Growth and Flower Quality of ´ Baegkwang ´ Chrysanthemums
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Abstract
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The effects of GA₃ and ethephon application on the growth and quality of cut flowers of ´Baegkwang´ chrysanthemums (Dendranthema×grandiflorum) were studied. Generally, the growth and flowering were better in 30% shading treatment than in non-shading control. Occurrence of physiological injury in 30% shading treatment was remarkably reduced as compared to non-shading control. This data indicate that 30% shading increase the yield of cut flowers. Plant height and length of flower stalk increased as the application level of GA₃ increased, The number of days to flowering was shortened by GA₃ treatment. The number and width of leaves increased with higher concentration of ethephon, but reduced by shading treatment. Marketable yield of cut flowers reduced as the level of ethephon increased.
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