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对红 1 7甜橙、红江橙及红江橙正常果与皱皮果、红江橙阴面果与阳面果的果皮及其细胞壁N、P、K、Ca、Mg的含量进行了分析 ,探讨这些矿质元素与柑桔成熟期皱皮果形成的关系。结果发现红 1 7甜橙皱皮果发生率较低 ,仅为 7 34 % ,而红江橙皱皮果发生率高达 2 8 0 6 % ;皱皮现象 86 %以上出现在果实的阴面果皮。果皮N、P含量与柑桔皱皮果的形成没有相关性 ,K在皱皮果中的含量比正常果高 ,而在阳面果皮比阴面果皮高 ;Mg在皱皮果和阴面果皮及其细胞壁的含量都比在正常果和阳面果皮稍低 ,但Mg的含量与皱皮果率的相关性不显著 ;Ca在正常果和阳面果皮及其细胞壁的含量都明显高于皱皮果和阴面果皮 ,皱皮果率与Ca的含量呈显著的负相关
The contents of N, P, K, Ca and Mg in the normal and wrinkled fruits of Hong1 7 orange, Hongjiang orange and Hongjiang orange, the pericarp and the cell wall of the orange and the orange fruit in Hongjiang were analyzed. The relationship between these mineral elements and the formation of wrinkled fruit in citrus ripening stage. The results showed that the incidence of red 1 7 orange wrinkled fruit was low, only 7 34%, while the incidence of orange wrinkled fruit in Hongjiang River was as high as 2 80.6%. More than 86% of wrinkled skin appeared on the fruit’s negative peel. The content of N and P in the peel had no correlation with the formation of the mandarin orange peel. The content of K in the peel was higher than that in the normal fruit, but higher in the mandarin than that in the peel; The contents of Ca were lower than that of the normal fruit and the anterior peel, but the content of Mg was not correlated with the peel percentage. The contents of Ca in the normal fruit and the anterior peel and its cell wall were significantly higher than those of the peel and the peel , Wrinkled skin rate and Ca content showed a significant negative correlation