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Genetic parameters and inbreeding depression of Half-Sib and Selfing families to developed as baby corn variety

Research Paper | April 1, 2017

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Nailan Nabila, Yudiwanti Wahyu, Winarso Drajad Widodo

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Int. J. Agron. Agri. Res.10( 4), 42-49, April 2017


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Baby corn is kind of vegetable that has high nutritional value and safe to be consumed fresh or in canned, but baby corn variety isn’t available in Indonesia. The objective of this study was to evaluated S1 and HS families to be developed as baby corn variety. This study was conducted at Cikarawang experimental station, Bogor Agricultural University from May to December 2016, using eight open pollinated varieties as progenitor (S0) and their inbreeding families (HS and S1). Significant differences were found among genotypes on baby corn traits. Mean of inbreeding families were lower than their S0 in baby corn traits except ear diameter. The best percentage of marketable baby corn was selfing families 37.56%. Inbreeding depression for S1 families were higher than HS families. The highest inbreeding depression was number of ear per plant, 20.25% for HS and 25.52% for S1. The estimates of genetic effects (additive and dominance) for baby corn traits were specific in each S1 genotypes. In general, the gene action was predominantly additive for all traits in S1 families. Selfing families generated from Golden, Hawaii, Baruna, Lokal madura, and Mutiara were suggested to developed as open pollinated varieties, and S1 families from Laksmi, Genjah melati, and Srikandi kuning were suggested to developed as hybrid varieties.


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Genetic parameters and inbreeding depression of Half-Sib and Selfing families to developed as baby corn variety

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