Genetic diversity and distance among Iranian and European alfalfa (Medicago sativa L.) genotypes
Publish place: Crop Breeding Journal، Vol: 1، Issue: 1
Publish Year: 1390
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_CBJOU-1-1_002
تاریخ نمایه سازی: 13 آذر 1402
Abstract:
Alfalfa is the best known fodder crop with high ability of biological nitrogen fixation and drought tolerance in dry, Pannonian region of east Austria. Different morphological and physiological characteristics of ۱۸ alfalfa genotypes from different geographical origins, ۸ Iranian ecotypes and ۱۰ European cultivars were evaluated under irrigated and rainfed conditions during ۲۰۰۶-۰۸ cropping seasons. The objectives of this study were to measure genetic distance and divergence among genotypes and to classify them based on morphological and physiological characters. Cluster analysis differentiated Iranian ecotypes and European cultivars from each other under irrigated condition, and when data averaged across two environments (irrigated and rainfed). However, under rainfed conditions small changes occurred in grouping of genotypes due mainly to differential responses of the genotypes to rainfed condition. Considerable genetic distance observed between Iranian and European genotypes. Different crossing programs are recommended between Iranian and European genotypes to develop new alfalfa cultivars.
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Authors
A. Moghaddam
Seed and Plant Improvement Institute, Karaj, Iran.
M. R Ardakani
Agriculture Research Centre, Islamic Azad University, Karaj Branch, Iran.
K. Friedel
Division of Organic Farming, Department of Sustainable Agricultural Systems, University of Natural Resources and Applied Life Sciences (BOKU), Vienna, Austria.