Morphological and genetic diversity of sea Buckthorn (Hippophae rhamnoides L.) in the Karakoram Mountains of Northern Pakistan

Тип публикации: статья из журнала

Год издания: 2018

Идентификатор DOI: 10.3390/d10030076

Ключевые слова: Biodiversity, Domestication, EST-SSRmarkers, Gene flow, Gilgit-Baltistan, RHS color charts

Аннотация: Sea buckthorn (Hippophae rhamnoides L.) is a dioecious, wind-pollinated shrub growing in Eurasia including the Karakoram Mountains of Pakistan (Gilgit-Baltistan territory). Contrary to the situation in other countries, in Pakistan this species is heavily underutilized. Moreover, a striking diversity of berry colors and shapes in Pakistan raises the question: which varieties might be more suitable for different national and international markets? Therefore, both morphological and genetic diversity of sea buckthorn were studied to characterize and evaluate the present variability, including hypothetically ongoing domestication processes. Overall, 300 sea buckthorn individuals were sampled from eight different populations and classified as wild and supposedly domesticated stands. Dendrometric, fruit and leaf morphometric traits were recorded. Twelve EST-SSRs (expressed sequence tags-simple sequence repeats) markers were used for genotyping. Significant differences in morphological traits were found across populations and between wild and village stands. A significant correlation was found between leaf area and altitude. Twenty-two color shades of berries and 20 dorsal and 15 ventral color shades of leaves were distinguished. Mean genetic diversity was comparatively high (He = 0.699). In total, three distinct genetic clusters were observed that corresponded to the populations' geographic locations. Considering high allelic richness and genetic diversity, the Gilgit-Baltistan territory seems to be a promising source for selection of improved germplasm in sea buckthorn. © 2018 by the authors.

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Издание

Журнал: Diversity

Выпуск журнала: Vol. 10, Is. 3

Номера страниц: 76

Авторы

  • Nawaz Muhammad Arslan (Univ Kassel, Organ Plant Prod & Agroecosyst Res Trop & Subtrop, Steinstr 19, D-37213 Witzenhausen, Germany)
  • Krutovsky Konstantin V. (Univ Gottingen, Dept Forest Genet & Forest Tree Breeding, Busgenweg 2, D-37077 Gottingen, Germany; Russian Acad Sci, Vavilov Inst Gen Genet, Lab Populat Genet, Moscow 119991, Russia; Siberian Fed Univ, Genome Res & Educ Ctr, Lab Forest Genom, Krasnoyarsk 660036, Russia; Texas A&M Univ, Dept Ecosyst Sci & Management, College Stn, TX 77843 USA)
  • Mueller Markus (Univ Gottingen, Dept Forest Genet & Forest Tree Breeding, Busgenweg 2, D-37077 Gottingen, Germany)
  • Gailing Oliver (Univ Gottingen, Dept Forest Genet & Forest Tree Breeding, Busgenweg 2, D-37077 Gottingen, Germany)
  • Khan Asif Ali (Muhammad Nawaz Shareef Univ Agr, Dept Plant Breeding & Genet, Multan 66000, Pakistan)
  • Buerkert Andreas (Univ Kassel, Organ Plant Prod & Agroecosyst Res Trop & Subtrop, Steinstr 19, D-37213 Witzenhausen, Germany)
  • Wiehle Martin (Univ Kassel, Organ Plant Prod & Agroecosyst Res Trop & Subtrop, Steinstr 19, D-37213 Witzenhausen, Germany; Univ Kassel, Trop Zentrum, Steinstr 19, D-37213 Witzenhausen, Germany; Univ Kassel, Int Ctr Dev & Decent Work ICDD, Steinstr 19, D-37213 Witzenhausen, Germany)

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