Genetic diversity of a germplasm collection of Cucurbita pepo using SRAP and AFLP markers (Record no. 40324)

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control field 20250625122508.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-5979
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245 10 - TITLE STATEMENT
Title Genetic diversity of a germplasm collection of Cucurbita pepo using SRAP and AFLP markers
490 0# - SERIES STATEMENT
Volume/sequential designation Theoretical and Applied Genetics, 107(2), p.271-282, 2003
520 3# - SUMMARY, ETC.
Summary, etc. Cucurbita pepo is a highly polymorphic species. The cultivars can be grouped into eight morphotypes in two subspecies, ssp. pepo and ssp. ovifera. A collection of 69 accessions representative of the morphotypes and some unclassified types was used for analysing the morphological and molecular diversity of this species. This collection includes commercial cultivars and Spanish landraces, which represent the great diversification of types that have arisen in Europe after this species arrived from America. For the molecular variability studies, two PCR-based systems were employed, AFLP and SRAP, which preferentially amplify ORFs. Principal coordinates analysis and cluster analysis using the UPGMA method clearly separate the accessions into the two subspecies through the use of both markers. However, the gene diversity and the genetic identity values among morphotypes and subspecies varied between the two marker systems. The information given by SRAP markers was more concordant to the morphological variability and to the evolutionary history of the morphotypes than that of AFLP markers. In ssp. ovifera, the accessions of the different morphotypes were basically grouped according to the fruit colour. This may indicate different times of development and also the extent of breeding in the accessions used. This study has allowed identification of new types that can be employed for the development of new cultivars. The landraces of the spp. ovifera, used as ornamental in Europe, have proved to be of great interest for preserving the diversity of C. pepo.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CUCURBITA PEPO
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GERMPLASM COLLECTION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element AFLP MARKERS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SRAP MARKERS
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Ferriol, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Picó, B.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Nuez, F.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1FGsyp3xiclFW8OQRvb5hC5HpzjnuDHvS/view?usp=drivesdk">https://drive.google.com/file/d/1FGsyp3xiclFW8OQRvb5hC5HpzjnuDHvS/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-5979 25.06.2025 25.06.2025 Documentos solicitados