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Azrai, Muhammad
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Journal : Informatika Pertanian

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PENAMPILAN KARAKTER BEBERAPA GENOTIPE JAGUNG HIBRIDA PADA KONDISI KEKERINGAN Marzuki, Maintang Intang; Efendi, Roy; Azrai, Muhammad
Informatika Pertanian Vol 27, No 1 (2018): Juni 2018
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1051.63 KB) | DOI: 10.21082/ip.v27n1.2018.p47-62

Abstract

Selection to identify corn genotypes that are able to use water effectively becomes a target in plant breeding activities to improve drought tolerance.  Research to determine the performance appearance of agronomic characters, morphology, and physiology of several hybrid genotypes has been carried out in the Experimental Field of Cereals Research Institute, Maros, South Sulawesi, June - October 2016 in drought stress conditions using 65 hybrid corn genotypes. The research was conducted with 65 corn hybrid genotypes arranged in a randomized completed block design with three replications.   Drought stress treatment was started before the flowering phase until the physiologically mature. The result indicated that agronomic, physiology and  yield characters that  are significant and positively correlated  with o grain yield  are plant height, ear  height, stalk diameter, leaf area, leaf chlorophyll, leaf moisture content, stomata area, wet ear weight, ear leght, number of ear harvest, number of grain/rows and weight of 1000 grain. Leave rolling score, leaf senescence and leaf temperature are physiological characters that haved  negative correlation with the grain yield, as well as agronomic characteristics of days to silking, days to anthesis and ASI value. Promising hybrid (CML 505/NEI 9008-9-5-B-B-B-B)// CY11, (CML 538/DMRYCML-2-7-B-B-B-B)//MAL03, (CML 538/DMRYCML-5-5-B-B-B-B)//MAL03, (CML 505/NEI 9008-9-4-B-B-B-B)//CY11, (CML 505/NEI 9008-18-2-B-B-B-B)//CY11, (CML 505/NEI 9008-9-1-B1-B-B-B)// CY11, (CML 538/DMRYCML-1-3-B-B-B-B)//CY11, (CML 505/NEI 9008-14-1-B-B-B-B)// B11209, (CML 505/NEI 9008-29-2-B-B-B-B)//CY11 dan (CML 505/NEI 9008-21-2-B-B-B-B)//MAL03 show better  agronomic performance, yield components andgrain yield potential than Bima 9, Bima 16, Pertiwi 3 and P31. Those promising hybrid  of drought tolerance could  be further developed.
SIDIK LINTAS DALAM PENENTUAN KARAKTER SELEKSI JAGUNG TOLERAN CEKAMAN KEKERINGAN Efendi, Roy; Aqil, Muhammad; Makalau, Andi Takdir; Azrai, Muhammad
Informatika Pertanian Vol 25, No 2 (2016): Desember 2016
Publisher : Sekretariat Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (571.788 KB) | DOI: 10.21082/ip.v25n2.2016.p171-180

Abstract

Information on characteristics related to drought tolerance is particularly important for improving hybrid maize yield. The present study was conducted with 62 genotypes involving tolerant, moderate, susceptible and very susceptible, for post flowering drought tolerance of hybrid maize. An experiment was conducted to determine the characteristics association between grain yield and its components and their direct and indirect effects to the yield. The research was arranged in a randomized completed block design with three replications. Drought stress treatment was started from flowering (50 days after planting, dap) until milk-dough stage (80 dap). The result indicated significant and positive association of grain yield with plant height, ear position height, stalk diameter, leaf area, leaf angle, the percentage of leaf senescence, leaves rolling score, ear length, ear diameter, number of grain/ear and shelling percentage were correlated with the yield under drought stress. Grain yield was strongly correlated with plant height, leaf area, ear length, ear diameter, and shelling percentage. Indirect effect on grain yield under drought conditions were found for the following parameters: stalk diameter, leaf angle, percentage of leaf senescence, leaf rolling scores and number of seeds/ear.
Co-Authors Aqil, Muhammad Efendi, Roy Efendi, Roy Makalau, Andi Takdir Marzuki, Maintang Intang Praptana, R. Heru Suwarti, Suwarti