钼、硼对花椰菜产量及品质的影响

Mo and B's Effects on the Yield and Quality of Cauliflower

以花椰菜‘厦雪100天’品种进行的研究表明,增施2.25kg·hm-2钼酸铵作基肥或叶面喷施0.1%钼酸铵,可显著提高叶片叶绿素含量和硝酸还原酶活性,花球硝酸盐含量下降,维生素C和可溶性糖含量提高,增产显著;增施15.00kg·hm-2硼砂作基肥或叶面喷施0.1%～0.2%硼砂也可提高产量,改善品质;但叶面喷施0.4%硼砂会造成减产和花球品质下降。

Studies based on the cauliflower variety of‘Xiahue 100 Days’indicated that, when 2.25 kg· hm -2 (NH_4)_2MoO_4·2H_2O was used as base fertilizer or 0.1% (NH_4)_2MoO_4·2H_2O sprayed as foliage fertilizer , both the chlorophyll content and nitrate reductase activity of leaves could be increased, meanwhile improve the quality of the cauliflower. 15.00 kg·hm -2 B used as base fertilizer or 0.1%-0.2% B element used as foliage fertilizer also could increase the yield and improve the quality of the cauliflower.However, high concentration (0.4%) of B would make both the yield and the quality of cauliflower reduced.