Keywords
rangli tola
F₁ duragaylar
korrelyatsiya
tola chiqimi
tola uzunligi
hosildorlik
seleksiya
Pearson tahlili.
How to Cite
Abstract
Ushbu tadqiqotda rangli tolali g‘o‘za genotiplari va ular ishtirokida olingan F₁ duragaylarda asosiy morfo-xo‘jalik va tola sifat belgilarining o‘zaro bog‘liqligi o‘rganildi. Tadqiqotlar 2018–2023 yillarda Navoiy ilmiy-tajriba stansiyasi hamda Xatirchi tumanidagi fermer xo‘jaligi dala maydonlarida olib borildi. Ota-ona shakllari va F₁ duragaylarda tola rangi, o‘simlik balandligi, tezpisharlik, ko‘saklar soni, ko‘sak massasi, hosildorlik, tola chiqimi va tola uzunligi kabi belgilar baholandi. Pearson korrelyatsion tahlili natijasida ota-ona shakllarida tola rangi bilan o‘simlik balandligi (r=-0,74), tola chiqimi (r=- 0,71) va tola uzunligi (r=-0,68) o‘rtasida kuchli salbiy bog‘liqlik mavjudligi aniqlandi. Shu bilan birga, o‘simlik balandligi bilan tola chiqimi (r=0,84) hamda tola uzunligi (r=0,80) o‘rtasida kuchli ijobiy korrelyatsiyalar qayd etildi. F₁ duragaylarda korrelyatsiya koeffitsiyentlari ota-ona shakllariga nisbatan pasaygan bo‘lsa-da, tola chiqimi va tola uzunligi o‘rtasidagi ijobiy bog‘liqlik (r=0,63) saqlanib qoldi. Olingan natijalar rangli tolali g‘o‘za genotiplarining seleksiya uchun qimmatli genetik manba ekanligini va ulardan yuqori sifatli yangi navlar yaratishda samarali foydalanish mumkinligini ko‘rsatdi.References
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