莱克西是目前深受欢迎的蓝莓品种，本研究采用黄金水位育苗容器，研究了N、P、K、Ca、Mg、S、Fe等7种元素对莱克西开花的影响。研究分析表明，花穗数是决定总花苞数的主要因素，每穗花苞数是决定总花苞数的次要因素，单株全氮超过70.1克、单株全磷低于268.3克，基质水分低于33.88%时，莱克西只会分枝长叶，不会花芽分化。单株全磷高于268.3克时，莱克西才会花芽分化。红叶率超过62.96%时，莱克西不能花芽分化。
Legacy is a popular variety of blueberry at present. In this study, the effects of N, P, K, Ca, Mg, S and Fe on the flowering of Legacy were studied by using golden water level seedling container. The results showed that the number of spikes was the main factor determining the number of flower buds, and the number of flower buds per spike was the secondary factor determining the number of flower buds. When the total nitrogen per plant was more than 70.1 g, the total phosphorus per plant was less than 268.3 g, and the matrix moisture was less than 33.88%, Legacy would only branch and grow leaves without flower bud differentiation. When the total phosphorus per plant is higher than 268.3 g, Legacy will differentiate into flower buds. When the rate of red leaves exceeded 62.96%, Legacy could not differentiate flower buds.
