植物生长延缓剂延迟黄花菜花期及对代谢产物的影响

doi:10.16420/j.issn.0513-353x.2024-0035

摘要/Abstract

摘要： 对黄花菜喷施矮壮素（500、1 000和2 500 mg · L^-1）、烯效唑（50、100和500 mg · L^-1）和多效唑（50、100和500 mg · L^-1），探讨其对黄花菜花期延迟及生长发育和代谢产物的影响。结果表明，3种植物生长延缓剂处理均对黄花菜农艺性状、经济性状等有显著影响。其中，烯效唑显著增加了花蕾质量，多效唑处理使开花时间比对照延迟16 d。在代谢产物分析中发现，淀粉和蔗糖代谢、半乳糖代谢和氨酰基tRNA生物合成在植物生长延缓剂对花期影响中起着重要作用。植物生长延缓剂主要通过增加黄花菜氨基酸含量和降低糖含量来调节黄花菜生长发育。黄河流域黄花菜生产中推迟其开花的最佳处理为500 mg · L^-1的多效唑。

关键词: 黄花菜, 植物生长延缓剂, 开花时间, 代谢产物, 农艺性状, 经济性状, 生长发育

Abstract: The effects of chlorocholine chloride（500，1 000，2 500 mg · L^-1)，uniconazole（50，100，500 mg · L^-1）and paclobutrazol（50，100，500 mg · L^-1）on flowering delay，growth，development and metabolites of Hemerocallis citrina Baroni were investigated. The results showed that the three plant growth retardants had significant effects on the agronomic and economic traits of Hemerocallis citrina Baroni. Uniconazole significantly increased the quality of flower buds，and paclobutrazol treatment delayed the flowering time by 16 days compared with the control. The analysis of metabolites showed that starch and sucrose metabolism，galactose metabolism and aminoacyl tRNA biosynthesis played an important role in the effect of plant growth retardants on flowering. Plant growth retardants mainly regulate the growth and development of Hemerocallis citrina Baroni by increasing the content of amino acids and reducing the content of sugar. The optimal treatment for delaying the flowering time of Hemerocallis citrina Baroni in the Yellow River Basin was 500 mg · L^-1 paclobutrazol.

Key words:

Hemerocallis citrina, plant growth retardant, flowering time, metabolite, agronomic trait,

economic trait, growth and development

中图分类号:

S 644.3

孟璐, 马涛, 岳新丽, 王慧, 李小玉, 王力. 植物生长延缓剂延迟黄花菜花期及对代谢产物的影响[J]. 园艺学报, 2025, 52(4): 997-1006.

MENG Lu, MA Tao, YUE Xinli, WANG Hui, LI Xiaoyu, WANG Li. Effects of Plant Growth Retardants on the Flowering Period of Hemerocallis citrina and Its Metabolites[J]. Acta Horticulturae Sinica, 2025, 52(4): 997-1006.

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