γ線照射によるタマネギの発芽抑制と内芽における２，３の還元性物質の含量との関連性

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タイトル別名
  • Relationships between Some Reducing Compounds Levels in the Inner Buds of Onions and the Effect of Sprout-inhibition by Gamma Irradiation
  • ガンマセン ショウシャ ニヨル タマネギ ノ ハツガ ヨクセイ ト ナイ ガ

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The content of reducing compounds, ascorbic acid and SH compounds such as glutathione and cysteine, increased rapidly in inner buds of both Senshu-ki onions and Sapporo-ki onions as they began to elongate, but did not increase in the irradiated onions (irradiated with the doses of 5, 7 or 15Krad). When onions were irradiated at the low levels of reducing compounds in their inner buds, the sprouting of the onions was completely inhibited. However, after the content of reducing compounds increased, the inhibitory effect of gamma irradiation was considerably reduced. From these results, the relationships between the contents of reducing compounds in inner buds of onions and the inhibitory effect of gamma irradiation on the sprouting of onions were discussed.

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