The effect of gamma rays iradiation to morphological and agronomical character of local Samosir shallot (Allium cepa var. ascalonicum)

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Research Paper 01/01/2017
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The effect of gamma rays iradiation to morphological and agronomical character of local Samosir shallot (Allium cepa var. ascalonicum)

Mariati Sinuraya, Rosmayati, Hasanuddin, Diana Sofia Hanafiah
Int. J. Biosci.10( 1), 126-134, January 2017.
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Gamma rays radiation has been widely used to create variation in gene pools of crop plants. The effects of gamma iradiation on cytological characteristics vary from species to species and among different genotypes within the same species. The aim of the research was to investigate  the variations of morphological and agronomic characters of the first generation local Samosir shallot bulbs irradiated at various doses of gamma radiation (0, 1 to 20 Gy with interval 1 Gy). The results indicated that doses of gamma irradiation had significant effects on plants growth and yield of local Samosir shallot. There were differencies between regenerated plants growth and yield from irradiated bulbs and control (unirradiated). Overall shoot length and leave number, tiller number and  bulb yield, decreased siqnificantly as the radiation dose increased.


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