Genetic Diversity, Structure and DNA Fingerprint for Developing Molecular IDs of Yemeni Coffee (Coffea Arabica L.) Germplasm Assessed by SSR Markers = الاختلافات والعلاقات الوراثية وتحديد البصمة الوراثية لإنشاء تعريف جزيئي للأصول الوراثية للبن اليمني العربي بواسطة معلمات التتابعات المكررة البسيطة (الميكروستالليت)

Hussein, Mohammed Ali; A., AL-azab; Habib, Sajida

doi:10.12816/0046456

Cited by 4 publications

(3 citation statements)

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“…Coffee farmers in Yemen use various names to describe the coffee types they are growing. While dozens of names have been listed in previous studies [18,19], four varieties are claimed to be ubiquitous and represent the majority of cultivated Arabica coffee in Yemen: Udaini, Dawairi, Tufahi and Burai [18][19][20][21][22][23][24]. However, to date, the list of names and their occurrence has not been based on a well-defined study covering the major coffee regions of Yemen.…”

Section: Introductionmentioning

confidence: 99%

“…However, to date, the list of names and their occurrence has not been based on a well-defined study covering the major coffee regions of Yemen. A study on the genetic diversity of 17 coffee genotypes corresponding to a given name found that the same name, such as Udaini, could be found in different genetic clusters [24]. No other study has addressed the coffee genetic background of coffee in relation to the names given by farmers.…”

Section: Introductionmentioning

confidence: 99%

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Vernacular Names and Genetics of Cultivated Coffee (Coffea arabica) in Yemen

Montagnon

Rossi²,

Guercio³

et al. 2022

Agronomy

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While Ethiopia and South Sudan are the native habitats for Coffea arabica, Yemen is considered an important domestication center for this coffee species as most Arabica coffee grown around the world can be traced back to Yemen. Furthermore, climatic conditions in Yemen are hot and extremely dry. As such, Yemeni coffee trees likely have genetic merits with respect to climate resilience. However, until recently, very little was known about the genetic landscape of Yemeni coffee. The Yemeni coffee sector identifies coffee trees according to numerous vernacular names such as Udaini, Tufahi or Dawairi. However, the geographical landscape of these names and their correlation with the genetic background of the coffee trees have never been explored. In this study, we investigated the geographic occurrence of vernacular names in 148 coffee farms across the main coffee areas of Yemen. Then, we used microsatellite markers to genotype 88 coffee trees whose vernacular name was ascertained by farmers. We find a clear geographical pattern for the use of vernacular coffee names. However, the vernacular names showed no significant association with genetics. Our results support the need for a robust description of different coffee types in Yemen based on their genetic background for the benefit of Yemeni farmers.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Vernacular Names and Genetics of Cultivated Coffee (Coffea arabica) in Yemen

Montagnon

Rossi²,

Guercio³

et al. 2022

Agronomy

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show abstract

“…Despite the role of Yemeni coffee in the history of coffee and its unique attributes, quality, and "terroir", there has been very limited scienti c work to explore the distinctiveness of Yemeni coffee. Recent studies have been undertaken to investigate the genetics of Yemeni coffee, with promising ndings of unique genetic diversity that cannot be found in any other coffee-growing country 7,8,[42][43][44][45] . By including more than 200 samples from the majority and most important coffee-growing regions in the world, this study is the rst to intentionally describe how the NIR spectra of whole green coffee beans ethically obtained from smallholder coffee farms in ve different Yemeni regions can be distinguished from one another and from other origins, bringing robust knowledge to the already complex and distinctive pro le of the Yemeni coffee.…”

Section: Discussionmentioning

confidence: 99%

Identifying the Origin of Yemeni Green Coffee Beans Using Near Infrared Spectroscopy: A Promising Tool for Traceability and Sustainability

Santos-Rivera

Montagnon

Sheibani

2023

Preprint

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Yemeni smallholder coffee farmers face several challenges, including the ongoing civil conflict, limited rainfall levels for irrigation, and a lack of post-harvest processing infrastructure. Decades of political instability have also affected the quality, accessibility, and reputation of Yemeni coffee beans. Despite these challenges, Yemeni coffee is highly valued for its unique flavor profile and is considered one of the most valuable coffees in the world. Due to its exclusive nature and perceived value, it is also a prime target for food fraud and adulteration. This is the first study to identify the potential of Near Infrared Spectroscopy (NIRS) and chemometrics – more specifically, the discriminant analysis (PCA-LDA) – as a promising, fast, and cost-effective tool for the traceability of Yemeni coffee and sustainability of the Yemeni coffee sector. The NIR spectral signatures of whole green coffee beans from Yemeni regions (Al Mahwit, Dhamar, Ibb, Saada, and Sana'a), and other origins (n = 221) were discriminated and predicted with accuracy, sensitivity, and specificity ≥ 98% using PCA-LDA models. These results show that the chemical composition of green coffee and other factors captured on the spectral signatures can influence the discrimination of the geographical origin, a crucial component of coffee valuation in the international markets.

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Molecular characterization of Arabica Coffee (Coffea arabica L.) germplasms and their contribution to biodiversity in Ethiopia

Dida

Bantte

Disasa

2021

Plant Biotechnol Rep

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Cited by 4 publications

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Vernacular Names and Genetics of Cultivated Coffee (Coffea arabica) in Yemen

Vernacular Names and Genetics of Cultivated Coffee (Coffea arabica) in Yemen

Identifying the Origin of Yemeni Green Coffee Beans Using Near Infrared Spectroscopy: A Promising Tool for Traceability and Sustainability

Molecular characterization of Arabica Coffee (Coffea arabica L.) germplasms and their contribution to biodiversity in Ethiopia

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