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Izmi Yulianah
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STABILITY OF WHEAT GENOTYPES ADAPTED IN TROPICAL MEDIUM AND LOWLAND Ashari, Sumeru; Waluyo, Budi; Yulianah, Izmi; Kendarini, Niken; Jusuf, Mohammad
AGRIVITA, Journal of Agricultural Science Vol 34, No 1 (2012)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The research objective was to select wheat genotypes that can adapt on the medium and low plains. Twenty-seven genotypes and three varieties of wheat were grown in four locations in the medium and low plains since June-October 2009. The experiments were arranged using a randomized complete block design repeated three times. Analysis of variance performed at each location followed by a test of homogeneity of error range, the combined analysis of variance and yields stability analysis. Genotype x environment interaction significantly affecting yield. Stable genotypes and widely adaptable across locations were G-1 (1.94 t.ha-1), G-20 (1.24 t.ha-1), H-14 (1.85 t.ha-1), H-19 (1.59 t.ha-1), H-20 (1.69 t.ha-1), H-21 (1.48 t.ha-1), 162 (1.62 t.ha-1), 80 (1.63 t.ha-1), 82 (1.78 t.ha-1), 91 (1.49 t.ha-1), and 142 (1.45 t.ha-1). Genotypes adapted in productive environment were G-18 (1.23 t.ha-1), G-19 (1.63 t.ha-1), 185 (1.30 t.ha-1), 40 (1.33 t.ha-1) and 42 (1.52 t.ha-1). Genotypes adapted in marginal environments were 28 (2,22 t.ha-1), H-1 (1.61 t.ha-1), H-8 (1.65 t.ha-1) and H-16 (1.68 t.ha-1). Genotype was selected as an improvement material in the wheat breeding in medium and lowland of tropical regions.   Keywords: wheat selection, tropical, yield stability and adaptability
ANALISIS SILANG DIALEL KARAKTER KETAHANAN LAYU BAKTERI PADA CABAI Izmi Yulianah; Niken Kendarini
Zuriat Vol 22, No 2 (2011)
Publisher : Breeding Science Society of Indonesia (BSSI) / PERIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/zuriat.v22i2.6858

Abstract

Layu bakteri yang disebabkan oleh Ralstonia solanacearum. Penyakit layu bakteri cukup berbahaya, karena pada tingkat serangan berat dapat menyebabkan kematian tanaman dan kegagalan panen. Upaya pengendalian yang efektif dan efisien adalah dengan menggunakan varietas tahan layu bakteri. Varietas yang tahan dapat diperoleh antara lain melalui persilangan. Pemilihan populasi F1 dan pasangan tetua dapat didasarkan pada nilai daya gabung dan heterosis. Tujuan penelitian 1) Menduga  daya gabung dan nilai heterosis karakter ketahanan cabai terhadap layu bakteri pada populasi F1. dan 2) Memilih populasi F1 yang memiliki daya gabung khusus tinggi dan heterosis baik pada karakter ketahanan cabai terhadap layu bakteri. Berdasarkan hasil penelitian diperoleh informasi bahwa Genotipe PBC 473, Jatilaba, dan 02094, memiliki daya gabung umum positif.Terdapat enam populasi F1 yang memiliki nilai DGK positif yaitu PBC 473 x PBC 67MC5, Jatilaba x Randu, Jatilaba x PBC 67MC5, 02094 x Randu,02094 x PBC 67MC5, dan Randu x PBC 67MC5. Pemilihan populasi F1 terbaik berdasarkan daya gabung umum, daya gabung khusus dan  heterosis baik.Terpilih empat populasi F1 sebagai calon varietas hibrida cabai yang tahan terhadap layu bakteri yaitu PBC 473 x PBC 67MC5, Jatilaba x randu, Jatilaba x PBC 67MC5, dan 02094 x Randu.
STABILITY OF WHEAT GENOTYPES ADAPTED IN TROPICAL MEDIUM AND LOWLAND Sumeru Ashari; Budi Waluyo; Izmi Yulianah; Niken Kendarini; Mohammad Jusuf
AGRIVITA, Journal of Agricultural Science Vol 34, No 1 (2012)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v34i1.153

Abstract

The research objective was to select wheat genotypes that can adapt on the medium and low plains. Twenty-seven genotypes and three varieties of wheat were grown in four locations in the medium and low plains since June-October 2009. The experiments were arranged using a randomized complete block design repeated three times. Analysis of variance performed at each location followed by a test of homogeneity of error range, the combined analysis of variance and yields stability analysis. Genotype x environment interaction significantly affecting yield. Stable genotypes and widely adaptable across locations were G-1 (1.94 t.ha-1), G-20 (1.24 t.ha-1), H-14 (1.85 t.ha-1), H-19 (1.59 t.ha-1), H-20 (1.69 t.ha-1), H-21 (1.48 t.ha-1), 162 (1.62 t.ha-1), 80 (1.63 t.ha-1), 82 (1.78 t.ha-1), 91 (1.49 t.ha-1), and 142 (1.45 t.ha-1). Genotypes adapted in productive environment were G-18 (1.23 t.ha-1), G-19 (1.63 t.ha-1), 185 (1.30 t.ha-1), 40 (1.33 t.ha-1) and 42 (1.52 t.ha-1). Genotypes adapted in marginal environments were 28 (2,22 t.ha-1), H-1 (1.61 t.ha-1), H-8 (1.65 t.ha-1) and H-16 (1.68 t.ha-1). Genotype was selected as an improvement material in the wheat breeding in medium and lowland of tropical regions.   Keywords: wheat selection, tropical, yield stability and adaptability
Co-Authors Budi Waluyo Mohammad Jusuf Niken Kendarini Sumeru Ashari Sumeru Ashari