Arid
DOI10.1007/s10722-011-9781-7
Morphological and molecular diversity of an underutilized fruit crop - Cordia myxa L. germplasm from the arid region of Rajasthan, India
Sivalingam, P. N.; Singh, Dhurendra; Chauhan, Sarita
通讯作者Sivalingam, P. N.
来源期刊GENETIC RESOURCES AND CROP EVOLUTION
ISSN0925-9864
出版年2012
卷号59期号:2页码:305-316
英文摘要

Twenty two germplasm accessions of Cordia myxa were collected from Rajasthan and established at the field gene bank for conservation and evaluation. Morphological characterization of 10 year-old trees for 17 traits indicated wide variations among the accessions tested. Higher number of flowers per cyme was found in accession ACHM11 and higher pulp:stone ratio in AHCM25. Overall, AHCM22 was found to be a superior germplasm line for most of the horticulturally useful traits among the accessions tested as it had higher percent of fruit set, pulp:stone ratio and fruit weight. High significant positive correlation was obtained between leaf, fruit characters and pulp:stone ratio. However, these characters were found to be negatively correlated with number of flowers per cyme. Out of 50 random decamer primers used for random amplification (RAPD), 25 were polymorphic. Average polymorphism resolved by these markers among these accessions was 69.8% with an average polymorphic information content of 0.43. Genetic diversity revealed by Jaccard’s co-efficient was between 0.44 and 0.94, and three major clusters were identified among these accessions by phylogenetic analysis using NTSYSpc-2.02e software. RAPD markers associated with leaf size and pulp:stone ratio were also identified. This study shows the existence of high genetic diversity among these accessions.


英文关键词Cordia myxa Evolution Genetic diversity Morphology RAPD
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000300067100013
WOS关键词GENETIC DIVERSITY
WOS类目Agronomy ; Plant Sciences
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/172466
作者单位Cent Inst Arid Hort ICAR, Beechwal 334006, Bikaner, India
推荐引用方式
GB/T 7714
Sivalingam, P. N.,Singh, Dhurendra,Chauhan, Sarita. Morphological and molecular diversity of an underutilized fruit crop - Cordia myxa L. germplasm from the arid region of Rajasthan, India[J],2012,59(2):305-316.
APA Sivalingam, P. N.,Singh, Dhurendra,&Chauhan, Sarita.(2012).Morphological and molecular diversity of an underutilized fruit crop - Cordia myxa L. germplasm from the arid region of Rajasthan, India.GENETIC RESOURCES AND CROP EVOLUTION,59(2),305-316.
MLA Sivalingam, P. N.,et al."Morphological and molecular diversity of an underutilized fruit crop - Cordia myxa L. germplasm from the arid region of Rajasthan, India".GENETIC RESOURCES AND CROP EVOLUTION 59.2(2012):305-316.
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