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International Journal of Horticultural Science and Technology، جلد ۱۱، شماره ۲، صفحات ۱۶۳-۱۷۴
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عنوان انگلیسی Study of Half-Sib Families of Ajowan (Carum copticum L.) Provides New Insights into the Heritability of Some Important Traits
چکیده انگلیسی مقاله To evaluate the gene effect, heritability and correlations of ajowan (Carum capticum L.) morphological traits ten parents were chosen from a genetically broad-based population and polycrossed to produce half-sib families. The evaluated traits were number of days to flowering, plant height, number of fertile branches, number of umbrellas per plant, number of seed per umbel, seed yield per plant, harvest index, essential oil percentage, essential oil yield. Parents and polycross progenies seeds were grown in a randomized complete block design with three replications in the University of Tehran research field, during 2015-2017. The results showed that in parents and their progenies broad-sense heritability ranged from 0.64 to 0.96. Narrow-sense heritability based on regression of progenies on the parents (h2po) and analyses of progenies (h2n) suggested that additive genes control these traits. Correlation of seed yield with plant height, number of fertile branches, number of umbrellas per plant and number of seed per umbel were positive and significant. The results indicated that there were significant negative correlation between thymol and γ- terpinene both in parents and half-sib families. We concluded that there were significant variation and high heritability for most of the evaluated traits in the ajowan populations to improve seed yield and essential oil yield.
کلیدواژه‌های انگلیسی مقاله Ajowan, general combining ability, heritability, phenotypic correlation
نویسندگان مقاله Majid Pourrahimi |
Department of Agronomy and Plant Breeding Sciences, University of Tehran, Aburaihan Campus, Tehran, P.O. Box: 3391653755, Pakdasht, Iran

Seyed Ahmad Sadat Noori |
Department of Agronomy and Plant Breeding Sciences, University of Tehran, Aburaihan Campus, Tehran, P.O. Box: 3391653755, Pakdasht, Iran

Fatemeh Amini |
Department of Agronomy and Plant Breeding , University of Tehran, Aburaihan Campus, Tehran, P.O. Box: 3391653755, Pakdasht, Iran

Hossein Ramshini |
Department of Agronomy and Plant Breeding Sciences, Aburaihan Campus, University of Tehran, Tehran, Iran

نشانی اینترنتی https://ijhst.ut.ac.ir/article_94618_331318c345ebde4a507a76a9e15cbcb2.pdf
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