Наследяване на стопански ценни признаци и хетерозис при хибридни комбинации зимен ечемик
Тошка Попова
Abstract: В статията са представени резултати от анализа на наследяването на основните стопански ценни признаци от ечемичени хибриди от първо поколение с помощта на показатели за степента на фенотипно доминиране и хетерозис. Направена е оценка на 6 хибридни комбинации ечемик по признаците: височина на растението (cm), продуктивна братимост, дължина на главен клас (cm), брой зърна в главен клас, тегло на зърното от клас (g), тегло на зърното от растение (g), маса на 1000 зърна (g). Изследванията са проведени в Институт по земеделие-Карнобат през 2022-2023 г. Като родителски форми са използвани високопродуктивни сортове и образци ечемик, българска селекция и от интродукция. За всеки изследван признак са определени средната аритметична ( x ), грешката на средната аритметична (S x %),вариационен коефициент (VC,%), степентa на доминиране (d/a), истински (HP) и хипотетичен (MP) хетерозис. На основата на варирането и наследяването в ранните F1 хибридни поколения се направиха изводи относно ценността на използваните сортове и типа на наследяване на анализираните признаци.
Keywords: ечемик наследяване количествени признаци хетерозис
Citation: Popova, T. (2024). Inheritance of economic traits and heterosis in winter barley hybrid combinations. Bulgarian Journal of Crop Science, 61(3) 23-30 (Bg).
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| Date published: 2024-06-26
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