Genetic Diversity and Subspecific Races of Upland Cotton
Author Information
Author(s): Safiullina Asiya K., Ernazarova Dilrabo K., Turaev Ozod S., Rafieva Feruza U., Ernazarova Ziraatkhan A., Arslanova Sevara K., Toshpulatov Abdulqahhor Kh., Oripova Barno B., Kudratova Mukhlisa K., Khalikov Kuvandik K., Iskandarov Abdulloh A., Khidirov Mukhammad T., Yu John Z., Kushanov Fakhriddin N.
Primary Institution: Institute of Genetics and Plant Experimental Biology Academy of Sciences of Uzbekistan
Hypothesis
This study aimed to clarify the phylogenetic relationships and subspecies differentiation within Gossypium hirsutum L. using SSR markers and hybridization methods.
Conclusion
The study found distinct phylogenetic patterns among G. hirsutum subspecies and races, which are important for hybridization and breeding studies.
Supporting Evidence
- Distinct phylogenetic patterns were identified between G. hirsutum subspecies and races.
- Reciprocal crosses showed varying boll-setting rates, indicating reproductive barriers.
- Phylogenetic analysis revealed a close relationship between cultivars 'Omad' and 'Bakht' with G. hirsutum race richmondii.
- High seed-setting rates were observed in successful hybrid bolls across combinations.
Takeaway
This study looked at different types of upland cotton to see how they are related and how they can be crossed to make better plants.
Methodology
The study used 70 polymorphic SSR markers to analyze genetic distances among cotton accessions and conducted over 1000 hybridization experiments to assess boll-setting rates.
Potential Biases
Potential bias may arise from the selection of specific accessions from the Uzbekistan Cotton Germplasm Collection.
Limitations
The study may not cover all genetic diversity present in G. hirsutum due to the limited number of accessions analyzed.
Participant Demographics
The study focused on various subspecies and races of Gossypium hirsutum sourced from the Uzbekistan Cotton Germplasm Collection.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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