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Diversity in wild relatives of wheat: an expedition collection from cold-arid Indian Himalayas

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Abstract

Impact of climate change is of much concern across the globe in recent years and more specifically to the fragile ecosystems like cold-arid Himalayan region especially from a perspective on biodiversity and its conservation. Hence, collection and conservation of the biodiversity ex situ is a much better option to safeguard species at risk; especially for crop wild relatives with reference to agriculture. We have explored in 2014 and 2015 the cold-arid tracts of Himachal Pradesh and Jammu & Kashmir states in India and collected 169 accessions of wheat wild relatives comprising 12 taxa, viz., Elymus L. (8/139 acc.), Hordeum L. (2/4) and Leymus Hochst. (2/26) belonging to the tribe Triticeae. New geographic occurrence of six species—Elymus himalayanus (Nevski) Tzvelev, E. repens (L.) Gould, E. schrenkianus (Fisch. et C.A.Mey) Tzvelev, Hordeum brevisubulatum (Trin.) Link subsp. turkestanicum (Nevski) Tzvelev, H. bogdanii Wilensky and Leymus duthiei (Stapf ex Hook.f.) C. Yen, J.L. Yang et B.R. Baum was reported. Broader variability at inter- and intra-specific level in Elymus nutans Griseb., E. dahuricus Turcz. and Leymus secalinus across the ecological amplitude was observed. E. dahuricus population was heterogeneous for waxiness and pigmentation characters. Collected germplasm would serve as a potential resource for introgression of biotic and abiotic stress tolerance genes towards developing resilient wheat cultivars.

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Acknowledgements

Authors place sincere thanks to Director, ICAR-NBPGR, New Delhi for guidance and support for conducting explorations under institute project; Dr. E Roshini Nayar, ICAR-NBPGR, New Delhi for authenticating the taxonomic identity of some specimens.

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Author notes

  1. Kuldeep Singh

    Present address: ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India

Authors and Affiliations

  1. ICAR-National Bureau of Plant Genetic Resources, New Delhi, 110012, India

    K. Pradheep, R. Parimalan & S. P. Ahlawat

  2. ICAR-NBPGR Regional Station, Phagli, Himachal Pradesh, 171004, India

    Mohar Singh

  3. ICAR-NBPGR Regional Station, Rangreth, Srinagar, Jammu & Kashmir, 190007, India

    Sheikh M. Sultan

  4. School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, 141004, India

    Kuldeep Singh

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  1. K. Pradheep
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Correspondence to K. Pradheep.

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Electronic supplementary material

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10722_2018_706_MOESM1_ESM.docx

Minimum passport details of germplasm collected are provided in Supplementary Material I, while literature information on usefulness of species collected is provided in Supplementary Material II (DOCX 59 kb)

Supplementary material 2 (DOCX 24 kb)

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Pradheep, K., Singh, M., Sultan, S.M. et al. Diversity in wild relatives of wheat: an expedition collection from cold-arid Indian Himalayas. Genet Resour Crop Evol 66, 275–285 (2019). https://doi.org/10.1007/s10722-018-0706-6

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