<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Genetic diversity in nineteen strains of <italic>Pleurotus</italic> was studied using morphometric traits and growth factors. Ability of the isolates of these strains to tolerate different ranges of temperature and pH were evaluated. Highest mycelial growth rates were obtained at 25 °C (mutants and hybrids) and 30 °C (wild type), while LAU 90 (mutant) performed satisfactorily at all evaluated temperature ranges (15-35 °C). Highest mycelial yields (dry weight) were produced by LAU 90 at different pH regimes (4.0 - 9.0), while hybrids LN 97 and LN 98 maximally produced mycelial yield at pH 5.0 and 7.0, respectively. Analysis od Principal component (PC) revealed that components of these strains accounted for 86.1% of total variations among the strains with first PC recording 44.6%. The dendrogram discriminated nineteen <italic>Pleurotus</italic> genotypes into two major genetic groups with mutants and hybrid strains in Cluster A, separated distinctly from wild parents in Cluster B, indicating genetic diversity. The expression of heterosis can be maximized by information obtained among the hybrid strains and mutant (LAU90) strain. The hybrid (LN98) strain with superior performance may be selected for adoption in commercial mushroom production.</p></abstract>

Genetic diversity in nineteen strains of Pleurotus was studied using morphometric traits and growth factors. Ability of the isolates of these strains to tolerate different ranges of temperature and pH were evaluated. Highest mycelial growth rates were obtained at 25 °C (mutants and hybrids) and 30 °C (wild type), while LAU 90 (mutant) performed satisfactorily at all evaluated temperature ranges (15-35 °C). Highest mycelial yields (dry weight) were produced by LAU 90 at different pH regimes (4.0 - 9.0), while hybrids LN 97 and LN 98 maximally produced mycelial yield at pH 5.0 and 7.0, respectively. Analysis od Principal component (PC) revealed that components of these strains accounted for 86.1% of total variations among the strains with first PC recording 44.6%. The dendrogram discriminated nineteen Pleurotus genotypes into two major genetic groups with mutants and hybrid strains in Cluster A, separated distinctly from wild parents in Cluster B, indicating genetic diversity. The expression of heterosis can be maximized by information obtained among the hybrid strains and mutant (LAU90) strain. The hybrid (LN98) strain with superior performance may be selected for adoption in commercial mushroom production.

Genetic Diversity Among Strains of <italic>Pleurotus</italic> species (oyster mushroom) Using Morphometric Traits Under Varied Temperature and pH

Annals of Science and Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic Diversity Among Strains of  species (oyster mushroom) Using Morphometric Traits Under Varied Temperature and pH

Genetic diversity in nineteen strains of Pleurotus was studied using morphometric traits and growth factors. Ability of the isolates of these strains to...

Genetic Diversity Among Strains of Pleurotus species (oyster mushroom) Using Morphometric Traits Under Varied Temperature and pH

Published Online: Aug 29, 2018

Page range: 7 - 15

Received: Mar 18, 2018

Accepted: Mar 30, 2018

DOI: https://doi.org/10.2478/ast-2018-0009

Keywords
Genetic diversity, Morphometric traits, Oyster mushroom, Growth factors, Mycelial growth

© 2018 Elijah A. Adebayo et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Genetic Diversity Among Strains of Pleurotus species (oyster mushroom) Using Morphometric Traits Under Varied Temperature and pH

Published Online: Aug 29, 2018

Page range: 7 - 15

Received: Mar 18, 2018

Accepted: Mar 30, 2018

DOI: https://doi.org/10.2478/ast-2018-0009

KeywordsGenetic diversity, Morphometric traits, Oyster mushroom, Growth factors, Mycelial growth

© 2018 Elijah A. Adebayo et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Genetic diversity, Morphometric traits, Oyster mushroom, Growth factors, Mycelial growth