Unlocking variability: inherent variation and developmental traits of garlic plants originated from sexual reproduction |
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Authors: | Einat Shemesh Olga Scholten Haim D Rabinowitch Rina Kamenetsky |
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Institution: | (1) The Robert H. Smith Institute of Plant Science and Genetics in Agriculture, Faculty of Agricultural, Food, and Environmental Quality Sciences, The Hebrew University of Jerusalem, 76100 Rehovot, Israel;(2) Plant Research International, Wageningen University and Research Centre, PO Box 16, 6700 AA Wageningen, The Netherlands;(3) Department of Ornamental Horticulture, Agricultural Research Organization, The Volcani Center, 50250 Bet Dagan, Israel |
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Abstract: | Recent collections of fertile garlic (Allium sativum) accessions from Central Asia allow a detailed study of seedling developments and the evaluation of inherent variations.
We hereby provide a comprehensive account of the ontogenesis of a population of garlic seedlings and their vegetative and
reproductive traits. A nucleotide binding site profiling marker technology was applied to provide conclusive evidence for
the cross-pollination nature of garlic, and to compare the levels of polymorphism between progeny derived from a single mother
clone fertilized by several pollinators. The seedlings’ population demonstrates a large variation in vegetative and reproductive
characters, including bulbing ability, bulb color and size, clove number, and response to environmental conditions, similar
to that of the genepool of vegetatively propagated garlic clones. In addition, a large variation in flowering and seed production
ability was recorded. The understanding of garlic physiology, the availability of the large variability unleashed by sexual
reproduction, and the possible utilization of sexual hybridization opens the way for genetic studies and breeding work.
Haim D. Rabinowitch and Rina Kamenetsky contributed equally to this paper. |
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Keywords: | Allium sativum Fertility restoration Florogenesis Polymorphism Seed production NBS |
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