Effects of Fertilizer Applications on the Seed Germination of Elymus sibiricus and Agropyron desertorum

doi:10.11733/j.issn.1007-0435.2003.02.012

›› 2003, Vol. 11 ›› Issue (2): 159-162.DOI: 10.11733/j.issn.1007-0435.2003.02.012

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Effects of Fertilizer Applications on the Seed Germination of Elymus sibiricus and Agropyron desertorum

HE Xiao¹, Li¹, Qing-feng², ZHAO Ming-xu²

1. College of Ecology and Environment Science, Inner Mongolia Agricultural University, Huhhot Inner Mongolia Autonomous Region 010019, China;
2. Grassland Management Station of Duolun County, Xilinguole League, Inner Mongolia Autonomous Region 027300, China

Received:2002-08-29 Revised:2002-11-19 Online:2003-05-15 Published:2003-05-15

施肥对牧草种子萌发性能的影响

贺晓¹, 李青丰¹, 赵明旭², 姜凤河²

1. 内蒙古农业大学生态环境学院, 呼和浩特, 010019;
2. 内蒙古多伦县草原站, 锡林郭勒盟, 多伦县, 027300

作者简介:贺晓(1964- ),女,副教授,从事植物学及牧草学的教学和研究
基金资助:
中国科学院知识创新项目(KSCX1-08-03)资助

Abstract

Abstract: Experiments of applying N、P、K,separately or mixedly, or employing N, or spraying trace elements B、Zn、Mo at various stages of growth at the seed plots of Elymus sibiricus and Agropyron desertorum cv. Nordan had been conducted. The results show that separately or mixedly applying N、P、K to both seed plots did not significantly raise the seed germination rate or speed of either. Application of N at Elymus sibiricus plants’ heading stage enhanced their seed germination rate and speed, though not so to the heading stage of Agropyron desertorum cv. Novdan. Spraying of 0.05% concentration of Mn on Elymus sibiricus seed plot evidently decreased its seed germination rate and speed, but positively raised those of Agropyron desertorum cv. Nordan. Spraying of trace elements like B?Zn?Mo did not distinctly augment the seed germination rate or speed of either species.

Key words: Elymus sibiricus, Agropyron desertorum cv. Nordan, Fertilizer application, Seed germination characteristic

摘要： 在老芒麦和诺丹冰草种子生产田进行N、P、K肥单施、混施、分期施氮和喷施微量元素后,对种子萌发特性进行测试。结果表明,N、P、K肥单施和混施对提高种子的发芽率和发芽速度无显著的效果;在抽穗期施氮有利于提高老芒麦种子的发芽率和发芽速度,但对诺丹冰草则无明显影响;0.05%浓度的锰使老芒麦种子的发芽指数明显降低,而诺丹冰草种子的发芽势和发芽指数则明显提高;其他微量元素对种子的发芽率和发芽速度则无显著的影响。

关键词: 老芒麦, 诺丹冰草, 施肥, 发芽特性

CLC Number:

S330.21

HE Xiao, Li, Qing-feng, ZHAO Ming-xu, JIANG Feng-he. Effects of Fertilizer Applications on the Seed Germination of Elymus sibiricus and Agropyron desertorum[J]. , 2003, 11(2): 159-162.

贺晓, 李青丰, 赵明旭, 姜凤河. 施肥对牧草种子萌发性能的影响[J]. , 2003, 11(2): 159-162.

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Effects of Fertilizer Applications on the Seed Germination of Elymus sibiricus and Agropyron desertorum

施肥对牧草种子萌发性能的影响

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