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[目的]建立果子蔓属(Guzmania)观赏凤梨的催花技术体系,为规模化栽培提供技术参数。[方法]采用随机区组试验设计,研究了不同浓度乙烯利溶液对果子蔓属凤梨开花效应的影响。[结果]不同浓度的乙烯利对4个主栽观赏凤梨品种均有不同程度的催花效果,催花处理后从反应期到观赏期约180 d,花序形状、花序高低、花序直径和着花苞片数在不同处理间差异不显著。[结论]4个品种均表现出对乙烯利的高度敏感,红星凤梨、黄苞果子蔓和丹尼斯最佳处理浓度为400 mg/L,圆锥擎天最佳处理浓度为500 mg/L,处理后其主要观赏性状满足凤梨商品化生产的要求。
[Objective] The research aimed to establish the technical system of promoting flower buds of Guzmania ornamental pineapples and provide technical parameters for large-scale cultivation. [Method] The effects of different concentrations of ethephon on the flowering effect of Prunus armeniaca were studied by randomized block design. [Result] The effects of different concentrations of ethephon on the growth of four ornamental pineapple varieties were different. The floral shape, inflorescence height, inflorescence diameter and inflorescence buds There was no significant difference between the number of films in different treatments. [Conclusion] All of the four cultivars showed high sensitivity to ethephon. The best treatment concentration was 400 mg / L for Rhododendron gmelini, Fructus Coggygria and Dennis and 500 mg / L for Optimum cone, The main ornamental traits meet the commercial requirements of pineapple.