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Miriam G. Kinyua

Publications (6)

Flow Cytometry-assisted Screening of Gamma Irradiation-induced Nuclear DNA Content Variations in Cassava (Manihot esculenta Crantz) Genotypes

Dennis Obonyo, Miriam G. Kinyua, Kennedy C. Pkania & Emmy Chepkoech · Journal of Advances in Biology & Biotechnology · 2026

Gamma irradiation is a widely used physical mutagen in plant breeding capable of inducing a variety of DNA variations and chromosomal aberrations that manifest in the genome; therefore, flow cytometry (FCM), the gold-standard technique for estimating nuclear DNA content, provides...

Open access Research Article 10.9734/jabb/2026/v29i64005

Response of Selected Pyrethrum Genotypes to Bud, Wilt and Crown Rot Diseases under Controlled Conditions

Chepkemoi E. Ruto, Miriam G. Kinyua & Javan O. Were · Asian Plant Research Journal · 2025

Fungal infections specifically bud disease, wilt, and crown rot are the major contributors to the reduction in both the quality and quantity of pyrethrin production, affecting many farmers in Kenya and globally. This study aimed to evaluate the pathogenicity of dominant fungal sp...

Open access Research Article 10.9734/aprj/2025/v13i4324

Effect of Gamma Irradiation on Morphological Traits of Cassava (Manihot esculenta L. Crantz) Genotypes

Dennis Obonyo, Miriam G. Kinyua & Kennedy C. Pkania · Asian Plant Research Journal · 2025

Cassava (Manihot esculenta L. Crantz) is a perennial shrub characterized by outcrossing and a long breeding cycle, and significant inbreeding depression. Cultivated genotypes of cassava exhibit high heterozygosity; however, their reliance on vegetative propagation limits genetic...

Open access Research Article 10.9734/aprj/2025/v13i4319

Analysis of Genetic Variability of Potato Induced Mutants Using Simple Sequence Repeat (SSR) Markers

Emmy Chepkoech, Miriam G. Kinyua, Oliver Kiplagat, Julius Ochuodho, Souleymane Bado & Stephen Kimno · Asian Journal of Research in Crop Science · 2024

Aims: Potato (Solanum tuberosum L.) is ranked fourth amongst the world’s major stable food crop and second in Kenya after maize and thus plays a vital role in food and nutrition security and sustainable development. Despite its importance, potato production in Kenya is still low...

Open access Research Article 10.9734/ajrcs/2024/v9i1259

Assessment of the Ploidy Level Diversity by Chloroplast Counts in Stomatal Guard Cells of Potato (Solanum tuberosum L.) Mutants

Emmy Chepkoech, Miriam G. Kinyua, Oliver Kiplagat, Julius Ochuodho, Souleymane Bado, Zachary Kinyua, Stephen Kimno & Michael Chelulei · Asian Journal of Research in Crop Science · 2019

Aims: Potato (Solanum tuberosum L.) is the most important staple food in the world and plays an important role in food and nutritional security. Induced mutation generates variation within potato germplasm to widen the genetic base for breeding purposes. Polyploidy modifies both...

Open access Research Article 10.9734/ajrcs/2019/v4i330076

Assessment of Genetic Variability Estimates of Selected Traits in Irish Potato Mutants

Emmy Chepkoech, Miriam G. Kinyua, Oliver Kiplagat, Julius Ochuodho, Stephen Kimno & Leah Boit · Journal of Advances in Biology & Biotechnology · 2018

Aims: For an effective potato breeding strategy, knowledge of the genetic parameters of traits, such as heritabilities and genetic correlations are essential, hence the need to assess the genetic variability estimates of yield-related traits in Irish potato mutants Study Design:...

Open access Research Article 10.9734/JABB/2018/44850