Assessment of genetic diversity in chinese hulless barley accessions for qualitative traits

Sadaf Memon; Shimin  Yang; Xinchun  Liu; Xue  He; Shabana  Memon; Muhammad Ibrahim  Khaskheli; Zongyun  Feng

doi:10.14393/BJ-v37n0a2021-53703

Authors

Sadaf Memon Sichuan Agricultural University https://orcid.org/0000-0003-2888-4170
Shimin Yang Sichuan Agricultural University https://orcid.org/0000-0001-8486-4583
Xinchun Liu Sichuan Agricultural University https://orcid.org/0000-0003-4397-9012
Xue He Sichuan Agricultural University https://orcid.org/0000-0003-1573-6347
Shabana Memon Sindh Agriculture University https://orcid.org/0000-0002-1710-7280
Muhammad Ibrahim Khaskheli Sindh Agriculture University https://orcid.org/0000-0003-1672-8955
Zongyun Feng Sichuan Agricultural University https://orcid.org/0000-0002-5282-7320

DOI:

https://doi.org/10.14393/BJ-v37n0a2021-53703

Keywords:

Barley, Chinese Hulless Barley, Cluster Analysis, Genetic Diversity, Qualitative Traits.

Abstract

Cultivated barley (Hordeum vulgare L.) has been proven to be an economically important model plant and having large genetic diversity among the species. The effective exploitation of qualitative characters in barley can be measured by its genetic diversity and interrelationship. This study aims to determine the assessment of genetic diversity in Chinese hulless barley accessions for qualitative traits. Presently, in this study, the genetic diversity of 208 Chinese hulless barley from different Provinces of China, 111 genotypes were from the Tibet plateau, 30 Sichuan, 2 USA, 1 Canada, 12 Gansu, 51 Qinghai, 1 Yunnan was investigated; collected. Almost all the qualitative traits including crude protein, fiber, starch, neutral detergent fiber, and acid detergent fiber exhibited significantly high variability (p≤0.0001) among the cultivars. The data were analyzed using Statistics 8.1. In this study, significantly high variation was observed between starch content and neutral detergent fiber (23.64% and 11.54%). However, the highest diversity is based on the magnitude of the coefficient of variation exhibited in crude protein (13.82%), starch (12.87%), and fiber (12.17%). There was a significantly positive correlation between fiber, acid detergent fiber, and neutral detergent fiber except for starch content with crude protein and fiber that exhibited a significant negative correlation (r= -0.38*** and r= -0.92***). A large genetic diversity was observed through cluster analysis among all the 208 barley accessions, distance coefficient ranging between 0.28 and 75.86. The histogram revealed that frequency distributions of 208 different genotypes of hulless barley crop with all five different characters, crude protein, fiber, starch, neutral detergent fiber, and acid detergent fiber, showed normal distribution. It is concluded that this hulless barley study showed genetic diversity among the accessions and confirmed genetic diversity in various traits used.

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