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http://dx.doi.org/10.5423/RPD.2016.22.2.94

Combined Treatment with Gamma Irradiation and Sodium Dichloroisocyanurate to Control Leaf Blight and to Preserve Cut Lilies  

Koo, Tae-Hoon (Department of BT-Convergent Pharmaceutical Engineering, Sunmoon University)
Hong, Sung-Jun (Department of BT-Convergent Pharmaceutical Engineering, Sunmoon University)
Yun, Sung-Chul (Department of BT-Convergent Pharmaceutical Engineering, Sunmoon University)
Publication Information
Research in Plant Disease / v.22, no.2, 2016 , pp. 94-99 More about this Journal
Abstract
For the purpose of practical application of gamma irradiation for export lily without the ionic energy damage, 150 Gy gamma ray was suggested as the safe level on cut lilies, the oriental cultivar Siberia (white) and Sorbonne (pink). The combined treatments of 150 Gy gamma ray and sodium dichloroisocyanurate (NaDCC) at 0, 40, 100, and $200{\mu}g/l$, were tried to control lily leaf blight caused by Botrytis elliptica. Incidences of petal blight on the two oriental lilies at control were 93%-95%, whereas those at the combined treatments of 150 Gy and $100{\mu}g/l$ or higher of NaDCC were 76%-83%. However, severity of petal blight was not reduced by the combined treatments. Gamma irradiation at 150 Gy did not change the cut lily quality such as improve cut lily longevity of vase-life compare with the control. In addition, fresh weight, chlorophyll contents, and the color of pink petals of Sorbonne were not changed by 150 Gy of gamma irradiation. Therefore, we recommend the combined treatment of 150 Gy gamma irradiation and $100{\mu}g/l$ NaDCC for the standard operating procedure on cut lily for export quarantine to control leaf blight.
Keywords
Botrytis elliptica; Combined treatment; Export quarantine; Oriental lily; Vase-life;
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Times Cited By KSCI : 3  (Citation Analysis)
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