Arid
DOI10.3732/ajb.94.9.1479
Genetic consequences of pre-columbian cultivation for Agave murpheyi and A-delamateri (Agavaceae)
Parker, Kathleen C.; Hamrick, J. L.; Hodgson, Wendy C.; Trapnell, Dorset W.; Parker, Albert J.; Kuzoff, Robert K.
通讯作者Parker, Kathleen C.
来源期刊AMERICAN JOURNAL OF BOTANY
ISSN0002-9122
EISSN1537-2197
出版年2007
卷号94期号:9页码:1479-1490
英文摘要

Pre-Columbian farmers cultivated several species of agave in central Arizona from ca. A.D. 600-1350. Because of the longevity and primarily asexual reproduction of these species, relict agave clones remain in the landscape and provide insights into pre-Columbian agricultural practices. We analyzed variation in allozyme allele frequencies to infer genetic effects of prehistoric cultivation on Agave murpheyi and A. delamateri, specifically to estimate genetic diversity and structure, to determine whether cultivated populations descended from a single clone, and to examine regional-scale genetic variation. Agave mulpheyi maintained more genetic diversity at the species and population levels than A. delamateri, and A. murpheyi populations typically included more multilocus genotypes. Relict plants from prehistoric fields reflect a more complex history than descent from a single clone; A. murpheyi populations may have included more diversity initially because bulbils (produced routinely in A. murpheyi but not A. delamateri) and possibly seed would have facilitated transport of genetically diverse planting stock. Genetic variation in both cultigens was lower than in most contemporary commercial crops but similar to that observed in modem traditional agricultural systems.


英文关键词Agavaceae agave cultivation agave delamateri agave murpheyi pre-columbian agriculture sonoran desert
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000249831000005
WOS关键词MANIHOT-ESCULENTA CRANTZ ; F-STATISTICS ; SUBDIVIDED POPULATIONS ; GENOTYPIC DIVERSITY ; ALLOZYME DIVERSITY ; MOLECULAR EVIDENCE ; CHIHUAHUAN DESERT ; CLONAL DIVERSITY ; CHLOROPLAST DNA ; RAPD MARKERS
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/2XILL650/153393
作者单位(1)Univ Georgia, Dept Geog, Athens, GA 30602 USA;(2)Univ Georgia, Dept Plant Biol & Genet, Athens, GA 30602 USA;(3)Desert Bot Garden, Phoenix, AZ 85008 USA;(4)Univ Georgia, Dept Plant Biol, Athens, GA 30602 USA;(5)Univ Georgia, Inst Ecol, Athens, GA 30602 USA;(6)Univ Wisconsin, Dept Biol, Whitewater, WI 53190 USA
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Parker, Kathleen C.,Hamrick, J. L.,Hodgson, Wendy C.,et al. Genetic consequences of pre-columbian cultivation for Agave murpheyi and A-delamateri (Agavaceae)[J],2007,94(9):1479-1490.
APA Parker, Kathleen C.,Hamrick, J. L.,Hodgson, Wendy C.,Trapnell, Dorset W.,Parker, Albert J.,&Kuzoff, Robert K..(2007).Genetic consequences of pre-columbian cultivation for Agave murpheyi and A-delamateri (Agavaceae).AMERICAN JOURNAL OF BOTANY,94(9),1479-1490.
MLA Parker, Kathleen C.,et al."Genetic consequences of pre-columbian cultivation for Agave murpheyi and A-delamateri (Agavaceae)".AMERICAN JOURNAL OF BOTANY 94.9(2007):1479-1490.
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