不同植物生长调节剂对君子兰抽剑的影响

王瑞华; 赵玉安; 张 果; 王世尧; 蒋拴丽; 杨书才; 冯 建; 杨录军; 王 俊

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不同植物生长调节剂对君子兰抽剑的影响

Effects of Different Plant Growth Regulators on Spike Emergence in Clivia

DOI：

中文关键词: 君子兰夹剑花期调控生长素赤霉素

英文关键词:Clivia Sheathed bud Flowering regulation Auxin Gibberellin

基金项目:

作者	单位
王瑞华，赵玉安，张果，王世尧,蒋拴丽,杨书才,冯建,杨录军,王俊	（郑州市农业科技研究院,河南郑州 450005）

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中文摘要:

针对我国君子兰自然花期较晚，不利于年宵上市以及夹剑率高的问题。本试验以4 a生君子兰为材料，通过喷施不同浓度的IAA、6-BA、ABA以及GA\-3，探究促进君子兰抽剑、提高抽剑整齐度和降低夹剑率的适宜的植物生长调节剂。结果表明：不同浓度的IAA、6-BA和GA\-3均能促进君子兰抽剑，其中以浓度为25 mg/L的IAA处理效果最好，抽剑率最高而夹剑率最低，分别为88.0%和4.6%;10 mg/L的6-BA处理组君子兰夹剑率最高，达 54.5%。不同浓度的ABA处理均抑制了君子兰抽剑，增加夹剑率。

英文摘要:

To address the issues of late natural flowering and high sheath retention rates in Clivia in China, which are detrimental to year-end market availability, this experiment used 4-year-old Clivia plants. Various concentrations of IAA, 6-BA, ABA, and GA3 were applied to investigate suitable plant growth regulators that promote spike emergence, improve uniformity of spike emergence, and reduce sheath retention rates. The results showed that different concentrations of IAA, 6-BA, and GA3 all promoted spike emergence in Clivia. Among these, the treatment with 25 mg/L IAA had the best effect, achieving the highest spike emergence rate ( 88.0%) and the lowest sheath retention rate (4.6%). The treatment group with 10 mg/L 6-BA had the highest sheath retention rate, reaching 54.5%. All concentrations of ABA inhibited spike emergence and increased sheath retention rates.

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