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前言众所周知,营养状况是柑桔栽培的最重要的因素之一。已发现多种砧木对接穗叶片中的常量元素和微量元素有重要影响(Sharpless等,1972)。据报导,不同柑桔品种的叶片矿质成分各有不同(Embleton等,1973)。砧穗间生理上的相互影响以及对营养元素吸收的影响至今尚未深入研究。史密斯(1975)曾报道,柑桔接穗品种对钠、铝、铜和镁有影响,而对磷的影响极小;砧木对柑桔的
Preface As we all know, nutritional status is one of the most important factors in citrus cultivation. A number of rootstocks have been found to have a significant effect on the major elements and trace elements in scion leaves (Sharpless et al., 1972). It has been reported that different citrus varieties have different leaf mineral components (Embleton et al., 1973). Physiological interactions between rootstocks and their effects on the uptake of nutrients have not been studied further. It has been reported by Smith (1975) that citrus scion varieties have an impact on sodium, aluminum, copper and magnesium but little on phosphorus;