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Effects of Low Dose Gamma Radiation and Seed Moisture Content on Germination and Early Growth of Vegetable Crops
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 Title & Authors
Effects of Low Dose Gamma Radiation and Seed Moisture Content on Germination and Early Growth of Vegetable Crops
Baek, Myung-Hwa; Lee, Young-Keun; Lee, Young-Bok; Yang, Seung-Gyun; Kim, Jae-Sung;
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To investigate the effects of low dose gamma radiation and seed moisture content (SMC) on germination and early growth of vegetable crops, seeds of chinese cabbage (Brassica campestris L.), radish (Raphanus sativus L.), red pepper (Capcicum annuum L.), figleaf gourd (Cucurbita ficifolia Bouche) and bottle gourd (Lagenaria siceraria Standl), with different SMC were irradiated with different doses () of gamma-ray by irradiator (, ca.150 TBq of capacity, AECL). Vegetable crops in which low dose gamma radiation was irradiated in seeds with different moisture content showed different response in seed germination and early growth to low dose gamma radiation. The germination rate of chinese cabbage, figleaf ground and bottle gourd irradiated with showed interactive responses against relative SMC. Also, significant interactions occurred for the early growth between those factors. The stimulating effects of gamma radiation were more pronounced for hydrated seeds of chinese cabbage, radish, figleaf gourd and bottle gourd showing prominent responses with irradiation, particularly for chinese cabbage and bottle gourd. These results suggest that radiation may promote germination and early growth of vegetable crops through interaction with SMC.
Low dose gamma radiation;seed moisture content (SMC);germination;early growth;stimulating effects;
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