Characteristics of Megaspore and Microspore Development and Flowering Habits of New Elymus canadensis L. Strain

doi:10.11733/j.issn.1007-0435.2013.06.024

›› 2013, Vol. 21 ›› Issue (6): 1188-1193.DOI: 10.11733/j.issn.1007-0435.2013.06.024

Previous Articles Next Articles

Characteristics of Megaspore and Microspore Development and Flowering Habits of New Elymus canadensis L. Strain

ZHAO Yan^1,2,3, XU Sheng-de^1,2, YUN Jin-feng^1,2,3, WANG Jun-jie^1,2,3

1. College of Entironment, Inner Mongolia Agricultural University, Huhhot, Inner Mongolia 010018, China;
2. Engineering Center of Technical Research on Cultivation and Propagation of Grass Varieties, Huhhot, Inner Mongolia 010018, China;
3. Key Laboratory of Grassland Resources (Inner Mongolia Agricultural University), Ministry of Education, Huhhot, Inner Mongolia 010018, China

Received:2013-03-28 Revised:2013-05-05 Online:2013-12-15 Published:2013-11-27

加拿大披碱草新品系大小孢子发育与开花习性研究

赵彦^1,2,3, 许圣德^1,2, 云锦凤^1,2,3, 王俊杰^1,2,3

1. 内蒙古农业大学生态环境学院, 内蒙古呼和浩特 010018;
2. 内蒙古自治区草品种育繁工程技术研究中心, 内蒙古呼和浩特 010018;
3. 草地资源教育部重点实验室, 内蒙古呼和浩特 010018

通讯作者: 云锦凤
作者简介:赵彦（1976-），女，内蒙古呼和浩特人，博士，主要从事牧草遗传与育种研究，E-mail：zhaoyannmg@sina.com
基金资助:
国家自然科学基金（31160479）；内蒙古草业重大专项“优质牧草种质资源创新与产业化示范”（20120245）资助

Abstract

Abstract: Characteristics of microspore and megaspore development and flowering habits of new Elymus canadensis L. strain, and its development of microspores and megaspores were observed by paraffin method. Flowering dynamic was counted during flowering stage using a regression method to analyze the relationship between flowering, temperature, and humidity. Results showed that the meiosis of pollen mother cells was by successive cytokinesis, and the embryo sac development was of a single spore. In the Hohhot area,there is a new strain of flowering in the middle and late July each year. The flowering stage was about two weeks and the bloom stage was about seven days. The flowering number reached maximum on the sixth day. The flowering time focused on 13:00 to 18:00 in the afternoon every day. The optimal temperature was about 28℃ and optimal relative humidity was about 43% for flowering.

Key words: Elymus canadensis.L., New strain, Microspore, Megaspore, Flowering habits

摘要： 为揭示加拿大披碱草（Elymus canadensis L.）新品系大、小孢子的发育特点及开花习性，采用石蜡切片法对大、小孢子发育做了解剖研究；在开花期观测开花动态，并采用回归法分析了开花与温湿度的关系。结果表明：加拿大披碱草新品系花粉母细胞减数分裂属于连续型胞质分裂，胚囊发育类型属于单孢子胚囊。在呼和浩特地区加拿大披碱草新品系于每年7月中、下旬开花，开花持续期约为2周，开花第6天达到高峰，盛花期约7 d，开花时间集中于每日下午13：00-18：00时。开花适宜温度为28℃左右，相对湿度为43%左右。

关键词: 加拿大披碱草, 新品系, 大孢子, 小孢子, 开花习性

CLC Number:

Q944.58
S54

ZHAO Yan, XU Sheng-de, YUN Jin-feng, WANG Jun-jie. Characteristics of Megaspore and Microspore Development and Flowering Habits of New Elymus canadensis L. Strain[J]. , 2013, 21(6): 1188-1193.

赵彦, 许圣德, 云锦凤, 王俊杰. 加拿大披碱草新品系大小孢子发育与开花习性研究[J]. , 2013, 21(6): 1188-1193.

0
/ / Recommend

Add to citation manager EndNote|Ris|BibTeX

URL: https://manu40.magtech.com.cn/Jweb_cdxb/EN/10.11733/j.issn.1007-0435.2013.06.024

https://manu40.magtech.com.cn/Jweb_cdxb/EN/Y2013/V21/I6/1188

References

[1] Dewey D R,禹宏,陈增建. 多年生小麦族的染色体组分类系统及属间杂交(二)[J]. 麦类作物学报,1987,7(2):1-14
[2] Dewey D R,禹宏,陈增建. 多年生小麦族的染色体组分类系统及属间杂交(三)[J]. 麦类作物学报,1987,7(3):8-13
[3] 许圣德.加拿大披碱草生长锥分化及开花习性的研究. 呼和浩特:内蒙古农业大学,2011:4-9
[4] 刘锦川.加拿大披碱草与老芒麦亲缘关系及抗性生理研究[D]. 呼和浩特:内蒙古农业大学,2011:1-5
[5] 王树彦.加拿大披碱草与老芒麦种间杂种F₁代的育性恢复研究[D]. 呼和浩特:内蒙古农业大学,2003:1
[6] Dewey R D. Wide hybridization and induced polyploid breeding strategies for perennial grasses of the Triticeae tribe[J]. IOWA STATE Journal of Research,1984,58(4):383-399
[7] Sadasivaih R D, Weijer J. Cytogenetics of some natural intergeneric hybrids between Elymus and Agropyron species[J]. Canadian Journal of Genetics and Cytology,1981,23(1):131- 140
[8] 云锦凤,王照兰,杜建才. 加拿大披碱草×老芒麦种间杂交及F₁代细胞学分析[J]. 中国草地,1997,19(1):32-35
[9] 李景环,云锦凤,都日斯哈拉,等. 加拿大披碱草与老芒麦种间杂种F₁的染色体遗传分析[J]. 安徽农业科学,2010,38(1):103-106
[10] 王树彦,云锦凤,韩冰,等. 加拿大披碱草、老芒麦及其杂种F₁代的RAPD 分析[J]. 西北植物学报,2004,24(9):1687-1690
[11] 于卓,宋永富,李造哲,等. 加拿大披碱草×披碱草杂种F₁的生育及细胞遗传学研究[J]. 草地学报,2002,10(4):258-264
[12] 于卓,王晓娟,刘杰,等. 加拿大披碱草与肥披碱草杂种F₁ 的形态学及细胞学研究[J]. 麦类作物学报,2004,24(4):6-10
[13] 马艳红,于卓,李小雷,等. 加拿大披碱草×圆柱披碱草杂种F₁ 的生育及细胞遗传学分析[J]. 麦类作物学报,2007,27(1):45-48
[14] 马艳红,于卓,李小雷,等. 加拿大披碱草与2 种国产披碱草杂种F₁ 愈伤组织诱导及植株再生研究[J]. 西北植物学报,2006,26(9):1888-1892
[15] 李造哲,云锦凤,尹俊,等. 披碱草和野大麦及其杂种F₁ 与BC1 代的RAPD 分析[J]. 草业科学,2005,22(10):31- 35
[16] 于卓,云锦凤,马有志,等. 加拿大披碱草×野大麦三倍体杂种染色体的分子原位杂交鉴定[J]. 遗传学报,2004,31(7):735-739
[17] 于卓,云锦凤,马有志,等. 几种小麦族禾草及其杂交后代基因组DNA 的RAPD 研究[J]. 草地学报,1999,7(4):287-292
[18] 云锦凤,米福贵,杜建才. 冰草茎生长锥分化、幼穗形成及小孢子发育[J].中国草地,1989,11(5):30-35
[19] 许圣德,云锦凤,赵彦,等. 加拿大披碱草生长锥分化的观察[J]. 草地学报,2011,19(2):227-230
[20] 甘肃农业大学.草原学与牧草学实习试验指导[M].兰州:甘肃科学技术出版社,1991:236-238
[21] 贺学礼.植物学[M]. 北京:科学出版社,2008:137-169
[22] 彭启乾.牧草种子生产及良种繁育[M]. 北京:农业出版社,1983:31-36

Characteristics of Megaspore and Microspore Development and Flowering Habits of New Elymus canadensis L. Strain

加拿大披碱草新品系大小孢子发育与开花习性研究

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 4

Recommended Articles

Metrics

Comments

[1]	YIN Yu-lin, MA Wen-xin, LI Ya-juan, TIAN Xin-hui, DU Wen-hua. Study on the Cold Resistance of New Strains of Timothy Grass from the Central Part of Gansu Province [J]. Acta Agrestia Sinica, 2021, 29(3): 625-630.
[2]	YANG Jing, ZHANG Bo, CHENG Ai-ping, WANG Yu-xiang. Study on Correlation between Microspore Development Period and Floral Organ Morphology of Medicago falcata L. [J]. Acta Agrestia Sinica, 2014, 22(5): 1063-1068.
[3]	CHEN Ao, LONG Ming-xiu, ZHANG Wei, MA Wen-wen. Application of Crop Grey Breeding Theory in New Ryegrass Strain Screening [J]. , 2012, 20(1): 102-107.
[4]	Yeq Qingchuan, Su Jakai, Geng Huazhu, Sun Yan, Gao Yunsheng. Study on Effects of Selection of a Salt Tolerant Alfalfa Strain at Different Salt Stress [J]. Acta Agrestia Sinica, 1997, 5(4): 244-250.