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中国农学通报

中国农学通报 ›› 2016, Vol. 32 ›› Issue (4): 53-57.doi: 10.11924/j.issn.1000-6850.casb15080005

所属专题： 园艺

• 林学 园艺 园林 • 上一篇    下一篇

复合盐碱胁迫对韭菜种子萌发的影响

惠 霖1,黄修梅2,袁春爱1,王金霞1,李 虹1   

  1. (1包头市种子管理站,内蒙古包头 014010；2内蒙古农业大学职业技术学院,内蒙古包头 014100）
  • 收稿日期:2015-08-02 修回日期:2016-01-17 接受日期:2015-09-25 出版日期:2016-02-01 发布日期:2016-02-01
  • 通讯作者: 黄修梅
  • 基金资助:
    内蒙古科技厅应用技术研究项目(20120804，20130209)；内蒙古自治区自然科学基金(2012MS0319)。

Effects of Salt-alkali Mixed Stress on Seed Germination of Leek

Hui Lin1, Huang Xiumei2, Yuan Chun’ai1, Wang Jinxia1, Li Hong1   

  1. (1Baotou Seed Management Station, Baotou Inner Mongolia 014010; 2 Vocational Technology College, Inner Mongolia Agricultural University, Baotou Inner Mongolia 014100)
  • Received:2015-08-02 Revised:2016-01-17 Accepted:2015-09-25 Online:2016-02-01 Published:2016-02-01

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摘要： 为了探讨复合盐碱对韭菜种子萌发的影响和韭菜栽培的盐碱适应能力，本试验采用不同浓度的氯化钠、硫酸钠、碳酸氢钠、碳酸钠混合液对韭菜种子萌发进行试验，来测定25种复合盐碱胁迫条件下韭菜种子的萌发率、萌发指数、胚轴长度和恢复萌发率等生长指标。结果表明：随着盐碱胁迫的增强，韭菜种子的萌发率、萌发指数均明显低于对照，但同一pH、不同盐浓度下种子萌发率的下降幅度要大于同一盐浓度、不同pH下的处理；将未萌发的种子转移至蒸馏水中复水后，高盐浓度和高pH最终萌发率只有最高萌发率的24.7%，延缓了种子的萌发，也抑制了一些低活力种子的萌发，萌发恢复率随着盐浓度的增加而增加；盐浓度、pH及其相互作用对韭菜种子萌发有抑制作用，其中盐浓度是决定性的主导因素。

关键词: 水稻, 水稻, 双季稻, 机插, 栽培技术

Abstract: In order to explore the effects of salt-alkali mixed stress on seed germination and the salt and alkali adaptability of leek, the authors measured seed germination percentage, germination index, hypocotyls length and germination recovery percentage of total 25 kinds of salt-alkali conditions using liquor mixed by NaCl, NaSO4, NaHCO3 and Na2CO3. The results showed that the seed germination percentage and germination index were significantly lower than that of CK with the increase of salt-alkali stress, but the falling range of the seed germination rate under different salt contents and the same pH value was bigger than that under different pH values and the same salt content; the germination recovery percentage of high salinity and high pH treatment was 24.7% of CK, which delayed the germination of seeds and inhibit the germination of some low vigor seeds; the germination recovery percentage increased with the increase of salt content. Salt content, pH and the interaction between the two could inhibit the germination of seeds and the salt content was the leading factor.