PENDUGAAN DAYA GABUNG DAN HETEROSIS KARAKTER HORTIKULTURA CABAI (Capsicum annuum L.)

Agus Riyanto, Sriani Sujiprihati, Sri Hendrastuti H

Abstract

Penelitian ini bertujuan untuk informasi tentang nilai Daya Gabung Umum (DGU), nilai Daya Gabung
Khusus (DGK) dan nilai heterosis karakter hotikultura Capsicum annuum.. Percobaan ini menggunakan 21
genotip yang terdiri atas 6 tetua dan 15 hibridanya. Rancangan acak kelompok lengkap dengan tiga ulangan
digunakan dalam penelitian ini. Hasil penelitian menunjukkan bahwa berdasarkan pendugaan daya gabung
khusus, nilai heterosis dan nilai tengah karakter maka 12 hibrida berpotensi untuk dijadikan varietas hibrida
berdaya hasil tinggi. Kedua belas hibrida tersebut adalah IPB C2 x IPB C14, IPB C2 x IPB C4, IPB C2 x IPB
C9, IPB C2 x IPB C10, IPB C14 x IPB C9, IPB C14 x IPB C10, IPB C14 x IPB C1, IPB C4 x IPB C9, IPB C4
x IPB C10, IPB C4 x IPB C1, IPB C9 x IPB C10 dan IPB C10 x IPB C1.
Kata kunci: Capsicum annuum, DGU, DGK, heterosis


ABSTRACT

The objectives of this research were to estimate general combining ability (GCA), specific combining
ability (SCA) and heterosis of horticulture character. One set of population from half diallel mating, involving 6
parents and 15 hybrids were used in this research. Randomized Completely Block Design was used in this
research with there replication. It was evidence that showed based on GCA, SCA heterosis and mean, 12 hybrid
i.e. IPB C2 x IPB C14, IPB C2 x IPB C4, IPB C2 x IPB C9, IPB C2 x IPB C10, IPB C14 x IPB C9, IPB C14 x
IPB C10, IPB C14 x IPB C1, IPB C4 x IPB C9, IPB C4 x IPB C10, IPB C4 x IPB C1, IPB C9 x IPB C10 dan
IPB C10 x IPB C1 are potential to be made high yielding hybrid varieties.
Key words: Capsicum annuum, GCA, SCA, heterosis

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