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All Journal Jurnal Ilmu Pertanian Indonesia Seminar Nasional Lahan Suboptimal
Andi Takdir Makkulawu
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Agriculture, Biological Sciences & Forestry Other

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Evaluasi Ketahanan Genotipe Jagung Hibrida terhadap Penyakit Hawar Daun Maydis dan Karat Daun Mirsam, Hishar; Suriani, Suriani; Djaenuddin, Nurasiah; Makkulawu, Andi Takdir; Abdullah, Fandi
Seminar Nasional Lahan Suboptimal 2021: Prosiding Seminar Nasional Lahan Suboptimal ke-9 “Sustainable Urban Farming Guna Meningkatka
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Mirsam H, Suriani S, Makkulawu AT, Djaenuddin N, Abdullah F.  2021. Evaluation of resistance of hybrid corn genotypes against leaf blight and leaf rust diseases. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-9 Tahun 2021, Palembang 20 Oktober 2021. pp. 305-313. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Plant pathogens are one of the causes of corn yield loss in Indonesia. Evaluation of the resistance of hybrid maize genotypes against major pathogens is deemed necessary as the first step in the management of the pathogens. This study aimed to evaluate the resistance reaction of the prospective hybrid corn varieties against the primary disease of corn. This study was conducted at two different locations. The location was at the Agricultural Technology Research and Assessment Installation (ATRAI) of the Indonesian Cereals Research Institute in Bajeng District, Gowa Regency, South Sulawesi. The study was conducted using spreader row plants as a source of inoculum for the test pathogen that planted around the experimental block. Spreader rows were inoculated with conidia suspension of the fungus Bipolaris maydis for leaf blight and the pathogen Puccinia polysora for leaf rust in the afternoon with a spore density of about 6 x104 conidia/ml. The results showed that there were 16 genotypes reacted moderately resistant and 7 genotypes reacted susceptible against  B. maydis. In addition, there were 11 genotypes reacted moderately resistance and 12 genotypes that reacted susceptible against P. polysora.
Perakitan Varietas Hibrida Jagung Manis Berdaya Hasil Tinggi dan Tahan Terhadap Penyakit Bulai Sriani Sujiprihati; Muhamad Syukur; Andi Takdir Makkulawu; R Neny Iriany
Jurnal Ilmu Pertanian Indonesia Vol. 17 No. 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Sweet corn is a result of recessive mutation which occurs naturally in gene that controls the conversion of sugar into starch in corn seed endosperm. There are 3 main genes that affect corn sweetness, namely sugary gene (su), sugary enhancer gene (se), and shrunken gene (sh2). This study aims to obtain a general combining ability value for the sweet corn lines, which will be the parent in diallel crosses; obtain the information of general combining ability, specific combining ability, and heterosis value for sweet corn lines; and obtain one or more promising single cross hybrids that will be potential for high yield and resistance to downy mildew disease. The study was conducted from April 2009 until November 2011 at the Experimental Field Centre for Cereal Plant Study (BALITSEREAL), Maros, South Sulawesi. The results showed that five genotypes had moderately high yield: Mr4/SC/BC4-3-1B, Mr14/SC/BC4-6-1B, Mr11/SC/BC4-3-1B, Mr14/SC/BC3-8-1B, and Mr12/SC/BC4-6-1B. The attack level of downy mildew that was classified as resistant has 0 to 7% rate. The combination of crosses that produce better productivity than all the varieties are: C × A (Mr11/SC/BC4-2-1B-1 × Mr12/SC/BC4-5-B-1), A × D (Mr12/SC/BC4-5-B-1 × Mr11/SC/BC4-2-1B-1), E × B (Mr12/SC/BC3-3-1B -1 × Mr14/SC/BC4-6-1B-1), and B × D (Mr11/SC/BC4-2-1B-1 × Mr14/SC/BC4-6-1B-1 ). Five hybrids can be continued for the preliminary testing of yields. Twelve candidate varieties do not have yield different than the checked varieties, so it can proceed to a multilocation trials to explore the advantages that can be released as new varieties.
Co-Authors Abdullah, Fandi Hishar Mirsam Muhamad Syukur Nurasiah Djaenuddin, Nurasiah R Neny Iriany Sriani Sujiprihati Suriani Suriani