欢迎访问《中国农学通报》,

中国农学通报 ›› 2024, Vol. 40 ›› Issue (17): 21-27.doi: 10.11924/j.issn.1000-6850.casb2023-0226

所属专题: 生物技术 玉米

• 农学·农业基础科学 • 上一篇    下一篇

玉米花粉离体萌发的研究

范明霞1(), 杨雅婷1, 苏立新1, 杨双2, 王贺3, 高松1   

  1. 1 沈阳大学生命科学与工程学院,沈阳 110044
    2 沈阳市农业科学院,沈阳 110161
    3 沈阳市乡村振兴发展中心,沈阳 110121
  • 收稿日期:2023-03-21 修回日期:2023-06-15 出版日期:2024-06-15 发布日期:2024-06-11
  • 作者简介:

    范明霞,女,1982年出生,云南绿春人,副教授,博士,主要从事植物发育学研究。通信地址:110044 辽宁省沈阳市大东区望花南路21号 沈阳大学生命科学与工程学院,Tel:024-13889306170,E-mail:

  • 基金资助:
    国家自然基金“高温胁迫下类受体蛋白激酶ZmSTK1和ZmSTK2通过糖酵解代谢调控玉米花粉育性的机制”(32001462)

Study on Maize Pollen Germination in vitro

FAN Mingxia1(), YANG Yating1, SU Lixin1, YANG Shuang2, WANG He3, GAO Song1   

  1. 1 College of Life Science and Engineering, Shenyang University, Shenyang 110044
    2 Shenyang Academy of Agricultural Sciences, Shenyang 110161
    3 Shenyang Rural Revitalization and Development Center, Shenyang 110121
  • Received:2023-03-21 Revised:2023-06-15 Published:2024-06-15 Online:2024-06-11

摘要:

本研究旨在探究不同培养基组分对玉米花粉萌发的影响,并筛选出最适宜玉米花粉离体萌发的培养基。通过单因素实验,比较了不同浓度的蔗糖、葡萄糖、乳糖、麦芽糖、硼酸和氯化钙对多个玉米品种花粉活力的作用。结果表明,含有0.35 mol/L蔗糖、0.85%琼脂、0.01%硼酸和0.03%氯化钙的培养基能够使对照花粉达到最佳萌发效果,为51.6%。然而,该培养基对于不同品种的玉米花粉影响差异显著,实验中8个玉米品种的花粉萌发率在1.8%~21%之间,显示出‘e12’品种的花粉萌发最为适宜,而‘e11’品种的花粉萌发则不适宜。本研究筛选出的最适培养条件为玉米花粉离体萌发机制的研究及玉米遗传育种提供了重要的理论依据和参考。

关键词: 玉米花粉, 花粉活力, 培养基, 离体培养, 培养条件, 萌发率, 萌发, 单因素实验, 品种差异

Abstract:

The purpose of this study was to investigate the effect of different culture medium components on the germination of maize pollen, in order to screen out the optimal culture medium for in vitro germination of maize pollen, and further select suitable culture media for pollen germination of different maize varieties. In this experiment, in vitro germination method was used to test different maize varieties. Single-factor experiments were conducted to compare the effects of different concentrations of sucrose, glucose, lactose, maltose, boric acid, and calcium chloride on the vitality of maize pollen, and to explore the optimal conditions for maize pollen germination. The results showed that when the culture medium components were 0.35 mol/L sucrose, 0.85% agar, 0.01% boric acid, and 0.03% calcium chloride, the germination effect of the control group was the best, reaching 51.6%. Compared with the control group, the experimental group found that this medium had significant differences in the germination of pollen of different varieties. In this study, the pollen germination rates of 8 experimental groups of maize varieties ranged from 1.8% to 21%, and this medium was most suitable for the germination of pollen of variety ‘e12’, but not suitable for the germination of variety ‘e11’. In conclusion, the optimal culture conditions conducive to in vitro germination of maize pollen were screened out, providing valuable reference and theoretical basis for the study of maize pollen germination mechanism, maize genetic breeding, and other related research areas.

Key words: maize pollen, pollen viability, culture medium, in vitro culture, culture conditions, germination rates, germination, single-factor experiment, varietal difference.