GOSSYPIUM HIRSUTUM L. DURAGAYLARIDA TOLA SIFATI VA RANGINING BOG’LIQLIGI

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Nashr qilingan sana: apr 5, 2026
Nashr qilingan sana:
g‘o‘za, tola rangi, tola sifati, SSR-markerlar, praymerlar, polimorfizm molekulyar seleksiya

Maqola asosiy qismi

Khalikova Malokhat Babamuradovna
DSc, professor, Scientific Research Institute of Cotton Breeding, Seed Production and; Agrotechnology, Tashkent region, Uzbekistan; Associate professor, Navoi State University, Navoi region, Uzbekistan
https://orcid.org/0000-0001-9620-6131
Rakhmonova Rukhsora Bakhriddinovna
DSc, professor, Scientific Research Institute of Cotton Breeding, Seed Production and; Agrotechnology, Tashkent region, Uzbekistan; Associate professor, Navoi State University, Navoi region, Uzbekistan
https://orcid.org/0009-0001-6075-2306
Matyakubova Elmira Umrbekovna
DSc, professor, Scientific Research Institute of Cotton Breeding, Seed Production and; Agrotechnology, Tashkent region, Uzbekistan; Associate professor, Navoi State University, Navoi region, Uzbekistan
https://orcid.org/0000-0002-1505-6832
Nurmamatov Aktam
DSc, professor, Scientific Research Institute of Cotton Breeding, Seed Production and; Agrotechnology, Tashkent region, Uzbekistan; Associate professor, Navoi State University, Navoi region, Uzbekistan
https://orcid.org/0000-0001-5109-2345
Sharipov Shukhrat Tulkinovich
DSc, professor, Scientific Research Institute of Cotton Breeding, Seed Production and; Agrotechnology, Tashkent region, Uzbekistan; Associate professor, Navoi State University, Navoi region, Uzbekistan

Abstrak

Tabiiy rangli paxta tolasi ishlab chiqarishda kimyoviy bo‘yoqlardan foydalanishni kamaytirish va atrof-muhit ifloslanishini pasaytirish imkonini berishi sababli zamonaviy barqaror to‘qimachilik sanoatining muhim talabi hisoblanadi. Biroq, paxtada tola rangi odatda uning sifat ko‘rsatkichlari bilan salbiy korrelyatsiyada bo‘ladi. Ushbu tadqiqotning maqsadi paxta navlari va F₄ duragay kombinatsiyalarida tola sifati va rang belgilari polimorfizmini SSR-markerlar yordamida aniqlashdan iborat edi. Natijada 7-xromosomada (A genomi) joylashgan pleiotrop lokus bilan bog‘liq holda yaxshilangan rang va yuqori tola sifati barqarorligi (107 va 135 juft nukleotidli allellar)ga ega duragay kombinatsiyalar aniqlandi. BNL1604 va NAU1043 markerlari genotiplarni identifikatsiya qilishda yuqori informativlik ko‘rsatdi, bu esa ularni seleksiya materiallarini molekulyar markirovkalash va tola sifati hamda rang belgilariga yo‘naltirilgan tezlashtirilgan seleksiya uchun istiqbolli vosita sifatida tavsiya etish imkonini beradi. BNL1604 va NAU1043 SSR-markerlaridan foydalanish yaxshilangan tola xususiyatlari bilan bog‘liq allel kombinatsiyalarini aniqlash imkonini berdi. F₄ duragaylari L-001 × 010444 va Bukhara-6 × 02408 yuqori tola sifati genlari donorlari sifatida keyingi seleksiya ishlari uchun tavsiya etildi. Molekulyar markerlar asosida o‘tkazilgan identifikatsiya SSR texnologiyasining paxta seleksiyasi dasturlarida tanlash jarayonini tezlashtirishdagi samaradorligini tasdiqladi. Olingan natijalar tabiiy rangli paxtaning yaxshilangan xususiyatlarga ega, ekologik xavfsiz navlarini yaratishda ilmiy va amaliy ahamiyatga ega.

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Iqtibos keltirish
Babamuradovna, K. M., Bakhriddinovna, R. R., Umrbekovna, M. E., Aktam, N., & Tulkinovich, S. S. (2026). GOSSYPIUM HIRSUTUM L. DURAGAYLARIDA TOLA SIFATI VA RANGINING BOG’LIQLIGI. Research Focus International Scientific Journal, 5(3), 31–37. Retrieved from https://refocus.uz/index.php/rf/article/view/2339
Nashr
Jild 5 Nomeri 3 (2026): Research Focus xalqaro ilmiy jurnali. Volume 5, Issue 3 (2026)
Bo'lim
06.00.00 – Qishloq xo'jaligi fanlari

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