INHERITANCE AND VARIABILITY OF THE «FIBER QUALITY» IN HYBRIDS F1 AND F2 OF COTTON VARIETIES OF THE SPECIES G.HIRSUTUM L.

Authors

  • Gulayxan Djanabaevna Karakalpakstan Institute of agriculture and agrotechnologies
  • Tanjarbay Allambergenov Karakalpakstan Institute of agriculture and agrotechnologies
  • Bayrambay Jumashev Karakalpakstan Institute of agriculture and agrotechnologies
  • Laylo Norimmatova Karakalpakstan Institute of agriculture and agrotechnologies
  • Husan Hojiev Karakalpakstan Institute of agriculture and agrotechnologies
  • Rahima Muratova Osh State University https://orcid.org/0009-0004-3494-0815
  • Gulkaiyr Taiirova Osh State University https://orcid.org/0000-0002-0768-8368

DOI:

https://doi.org/10.52754/16948696_2023_4_5

Keywords:

cotton, fiber quality, inheritance, variability, trait, transgression, type, variety, combination, fiber index, hybrid

Abstract

The article carries out a hybridological analysis of the inheritance of fiber quality traits in F1 hybrids of medium-fiber cotton varieties and variability in F2 hybrids and analyzes the inheritance and variability of the upper average length, short fiber index and elongation at break. The studied cotton varieties and their F1 hybrids do not differ statistically in terms of upper average fiber length; in F2 hybrids, left-sided negative transgression in this trait is not observed in some combinations (reciprocal hybrids of Namangan-77 and Dekhkanbob varieties, combination S-6524 x AN-Bayaut -2) directional positive transgressive variability occurs and plants with type III fiber are distinguished. It was revealed that the studied cotton varieties differ in the short fiber index, the range of variability of the trait in F2 hybrids is wide compared to the parent varieties, and mainly right-sided transgression occurs (except for the combination AN-130 x Namangan-77).

References

Султанов С., Алламбергенов Т.Д. Сравнительное изучение качества волокна различных сортов хлопчатника (G.hirsutum L.) // Узбекский биологический журнал. – Ташкент, 2007. - № 1. – стр. 87-90.

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Campbell B.T., Chee P.W., Lubbers E., Bowman D.T., Meredith W.R., Johnson J.Jr. and Fraser D.E. Genetic Improvement of the Pee Dee Cotton Germplasm Collection following Seventy Vears of Plant Breeding. Crop science. 2011. – P. 955-968. DOI: https://doi.org/10.2135/cropsci2010.09.0545

Clark, L.J., E.W. Carpenter and E.R. Norton. 2002. Acala Cotton Variety Trial, Safford Agricultural Center, 2001. Cotton, A College of Agriculture Report, The University of Arizona, Tucson, AZ. Series P-130, pp.91-96.

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Published

2023-12-29

How to Cite

Djanabaevna, G., Allambergenov, T., Jumashev, B., Norimmatova, L., Hojiev, H., Muratova, R., & Taiirova, G. (2023). INHERITANCE AND VARIABILITY OF THE «FIBER QUALITY» IN HYBRIDS F1 AND F2 OF COTTON VARIETIES OF THE SPECIES G.HIRSUTUM L. Journal of Osh State University. Agriculture: Agronomy, Veterinary and Zootechnics, (4(5), 36–43. https://doi.org/10.52754/16948696_2023_4_5

Issue

No. 4(5) (2023): Journal of Osh State University. Agriculture: agronomy, veterinary and zootechnics

Section

AGRONOMY

License

Copyright (c) 2023 Journal of Osh State University. Agriculture: agronomy, veterinary and zootechnics

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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