Studies on Green Panic Seed : VIII. Improvement of germination by hulling

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  • グリーンパニックの種子に関する研究 : VIII.はく皮処理による発芽の改善
  • グリーンパニックの種子に関する研究-8-はく皮処理による発芽の改善
  • グリーン パニック ノ シュシ ニ カンスル ケンキュウ 8 ハク ヒショリ

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Abstract

Effects of hulling (removal of bracts) on germination improvement of green panic seed were investigated. Generally speaking, hulling increased germination percentage and accelerated germination irrespective of seed age, but rate of improvement decreased with aging of seed. Although the effect of hulling was not comfirmed at 15℃ in light, hulling improved germination at 15℃ in dark and at 30℃ both in light and in dark, and decreased harmful effects of salt solutions and low soil moisture on germination. It was concluded that hulling was a practical method to improve germination of green panic seed. The effect of hulling seemed to be attributed not to increment of water supply or oxygen supply to the inside of seed, but to removal of germination inhibitors contained in bracts.

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