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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Rahmi Yunianti
Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Parametric Stability Analysis for Yield of Chili Pepper (Capsicum annuum L.) Muhamad Syukur; Sriani Sujiprihati; Rahmi Yunianti; Darmawan Asta Kusumah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 1 (2011): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.275 KB) | DOI: 10.24831/jai.v39i1.13185

Abstract

The objective of this study was to identify the stability of seven hybrid chili pepper genotypes that have been developed at Genetics and Plant Breeding Laboratory, Department of Agronomy and Horticulture IPB. The study used eight yield stability analyses and Additive Main Effect Multiplicative Interaction (AMMI) methods. The design was randomized complete block design with three replications as blocks using the genotypes of IPB CH1, IPB CH2, IPB CH3, IPB CH5, IPB CH25, IPB CH28, IPB CH50, and fi ve commercial varieties, i.e. Adipati, Biola, Gada, Hot Beauty and Imperial. These genotypes were planted at six different locations at Ciherang, Leuwikopo, Tajur, Subang, Rembang and Boyolali. IPB CH28, IPB CH25, IPB CH1 and IPB CH2 were more stable cultivars than IPB CH3, IPB CH5, IPB CH50, Adipati and Biola, which had 10, 9, 8, and 6 out of all 10 stability statistics used, respectively. IPB CH28 and IPB CH25 being the most stable cultivars. IPB CH3 was the best genotype compared to the checks based on pair wise GxE interaction test. Based on post predictive success, the AMMI2 model was able to explain 85.51% of the interaction-infl uenced variation. The stable genotypes in six locations were IPB CH1, IPB CH2, IPB CH25, IPB CH28, and IPB CH50. IPB CH3 genotype was locally adapted for Subang.
Pewarisan Sifat Karakter Kualitatif dan Kuantitatif pada Hipokotil dan Kotiledon Cabai (Capsicum annuum L.) Arya Widura Rtionga; Muhamad Syukur; Rahmi Yunianti; dan Sobir
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 45 No. 1 (2017): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.711 KB) | DOI: 10.24831/jai.v45i1.15669

Abstract

Characters on hypocotyl dan cotyledon are very potential used for effective and efficient morphology marker for some crop plants. However, the information about the inheritance of qualitative and quantitative characters on hypocotyl and cotyledon of chili pepper was not available. The aim of this research was to determine the inheritance of qualitative and quantitative characters on hypocotyl and cotyledon of chili pepper. This research used purple chili pepper (P1 (IPB C20)), green chili pepper (P2 (IPB C2)), F1, F1R, BCP1, BCP2, and F2 populations. Analysis for qualitative characters used mendelian genetics analysis, whereas model genetic prediction for quantitative characters used join scaling test analysis. The result showed that hypocotyl and cotyledon color of chili pepper controlled by single gene. The gene controlling purple color was dominant than the gene controlling green color on hypocotyl, whereas  the gene controlling green color was dominant than the gene controlling purple color on cotyledon. The additive-dominant genetic model with influence of additive-additive and additive-dominant interaction was suitable for hypocotyl length. The additive-dominant genetic model with influence of additive-dominant and dominant-dominant interaction was suitable for hypocotyls diameter. The additive-dominant genetic model with influence of additive-additive and dominant-dominant interaction was suitable for cotyledon width and cotyledon length.  Keywords: genetic model, morfology marker, natural cross-pollination
Co-Authors Arya Widura Rtionga Darmawan Asta Kusumah Muhamad Syukur Sobir Sobir Sriani Sujiprihati