硼锰配施对红菜薹营养品质及生理指标的影响

目的]研究硼锰配施对红菜薹营养品质及生理指标的影响。方法]在其他营养元素满足的水培条件下，采用双因子3水平组合设计，每升营养液中分别配0.5、2.5和7.5 mg制硼酸、硫酸锰,得到9个不同的硼锰配施处理，测定各处理红菜薹相关品质及生理指标。结果]硼、锰配施对红菜薹品质和生理指标的影响有明显的交互作用，在水培条件下，保证红菜薹优质、抗性强的硼锰浓度分别为：硼酸的浓度为2.5 mg/L，硫酸锰的浓度为2.5-7.5 mg/L。结论]该研究为进一步研究微量元素配施对蔬菜营养成分的影响奠定了基础。

Effect of Combined Use of Boron and Manganese Fertilizers on the Nutritional Quality and Physiological Indices of Brassica campestris L. ssp. chinensis L. var. utilis

Objective] The purpose of this study is to determine the effects of com-bined use of boron and manganese fertilizers on the nutritional quality and physio-logical indices of Brassica campestris. Method] In the nutrient solutions for growing B. campestris by hydroponics, boric acid and manganese sulfate were added at 0.5, 2.5, and 7.5 mg/L respectively. Another treatment without boron and manganese was prepared as the control. Quality and physiological indices of B. campestris in the 10 treatments were measured. Result] Boron and manganese shared obvious in-teraction in improving the quality and physiological indices of B. campestris. To cul-tivate B. campestris with high quality and strong resistance, the optimum concentra-tions of boron and manganese in the nutrient solution should be 2.5 mg/L boric acid and 2.5-7.5 mg/L manganese sulfate. Conclusion] The findings wil provide refer-ence for studying effects of trace elements on nutrient composition of vegetables.