An in vitro study of the effect of gibberellic acid on degreening of citrus fruits [Sudan]

amino acids amino sugars aminosucre calidad proteica chlorophylle chlorophylls citrus sinensis clorofilas cultivo in vitro culture in vitro degreening ga gibberelline horticultura horticulture in vitro culture nitrate nitrates nitratos plant growth substances plant tissues protein quality saccharose sucrosa sucrose sustancias de crecimiento vegetal tejidos vegetales