• Title/Summary/Keyword: peel coloration acceleration

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Ethephon Mixed with Calcium Carbonate Accelerate Coloration of Satsuma Mandarin (Citrus unshiu Marc.) in the Plastic House (에스렐과 탄산칼슘에 의한 하우스 밀감의 착색 촉진)

  • 김용호;문영일
    • Journal of Bio-Environment Control
    • /
    • v.7 no.2
    • /
    • pp.130-138
    • /
    • 1998

  • This experiment was conducted to study the effect of ethephon(100mg.L$^{-1}$ ) and calcium carbonate (10000mg.L$^{-1}$ ) on the acceleration of peel coloration of ‘Miyagawa Early’ Satsuma Mandarin in the plastic house. The foliar application treatments were conducted once. twice or 3 time at intervals of 15 days from degreening of the fruit apex. Peel coloration of a value by spraying ethephon ＋ clef-non was increased with treatment frequency. The a/b values ran similar to this trend. As a result of this, peel coloration was accelerated by foliar application of ethephon ＋ clef-non. Glucose and fructose did not differ significantly among foliar application frequencies. Sucrose and total sugar increased as foliar application frequency increased, but there was no significant di(ference among foliar application frequency group. The brix values were higher than 12˚BX in all treatments. However, a distinct difference between the control Brix value and the values for the treatment groups was found only in the level 3 frequency group.

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