Arid
DOI10.1139/B08-099
Seed production and gametophyte formation in Agave tequilana and Agave americana
Escobar-Guzman, Rocio E.; Zamudio Hernandez, Flor; Gil Vega, Katia; Simpson, June
通讯作者Simpson, June
来源期刊BOTANY
ISSN1916-2790
EISSN1916-2804
出版年2008
卷号86期号:11页码:1343-1353
英文摘要

Agave tequilana Weber var. azul is the raw material used in the production of tequila. This species has a life cycle of approximately 6-8 years; however, owing to the practice of removing the inflorescence to conserve accumulated Sugar reserves, the main form of reproduction is asexual. Little attention has, therefore, been paid to the process of flowering and the factors leading to low levels of germination and seedling viability have not been investigated in detail. The objective of this study was to document gametophyte development, seed production, and germination in A. tequilana Under different pollination treatments and in an interspecies cross with Agave americana L. Seed production and germination efficiency was low for both A. tequilana and A. americana under the different pollination treatments, although interspecies crosses did produce some viable seeds. Development of the male gametophyte in both species is of the Successive type, producing pollen grains with dicolpate morphology. Female gametophyte development is of the Polygonum monosporic type. The results obtained suggest that genetic incompatibility, inbreeding effects, factors affecting pollen development and germination, or errors in female gametophyte development may contribute to the low fertility observed for A. tequilana and A. americana.


英文关键词Agave americana Agave tequilana female gametophyte germination efficiency male gametophyte pollination treatments
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000262718200013
WOS关键词MEXICAN TROPICAL DESERT ; MACROACANTHA AGAVACEAE ; POLLINATION ECOLOGY ; REPRODUCTIVE-BIOLOGY ; MECHANISMS ; BATS ; AFLP
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/156731
作者单位CINVESTAV, Guanajuato, Mexico
推荐引用方式
GB/T 7714
Escobar-Guzman, Rocio E.,Zamudio Hernandez, Flor,Gil Vega, Katia,et al. Seed production and gametophyte formation in Agave tequilana and Agave americana[J],2008,86(11):1343-1353.
APA Escobar-Guzman, Rocio E.,Zamudio Hernandez, Flor,Gil Vega, Katia,&Simpson, June.(2008).Seed production and gametophyte formation in Agave tequilana and Agave americana.BOTANY,86(11),1343-1353.
MLA Escobar-Guzman, Rocio E.,et al."Seed production and gametophyte formation in Agave tequilana and Agave americana".BOTANY 86.11(2008):1343-1353.
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