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The flower characteristics of a plant is one of the important traits correlated to its productivity. Study on flower characteristics is useful to understand how to increase the crop productivity. The research was conducted at Agro Techno Park Center, Indonesian State Ministry of Research and Technology, Bakung Village, Ogan Ilir Distric South Sumatra from April 2007 to August 2008.  The objective of this research was to evaluate the flower characteristics and the yield of jatropha (Jatropha curc ANDI WIJAYA; SUSANTI DIANA; MUHAMAD UMAR HARUN; HENY HAWALID
HAYATI Journal of Biosciences Vol. 16 No. 4 (2009): December 2009
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.16.4.123

Abstract

The flower characteristics of a plant is one of the important traits correlated to its productivity. Study on flower characteristics is useful to understand how to increase the crop productivity. The research was conducted at Agro Techno Park Center, Indonesian State Ministry of Research and Technology, Bakung Village, Ogan Ilir Distric South Sumatra from April 2007 to August 2008.  The objective of this research was to evaluate the flower characteristics and the yield of jatropha (Jatropha curcas L.) accessions. The research was arranged in a randomized block design, consisted of fifteen accessions of jatropha, with three replicates. The Jatropha accessions were collected from different agro ecosystems located in Sumatra, Java, and Borneo. The results indicated that the evaluated accessions have significant differences in the flower characteristic and the yields. The ratio male–female flower is the most important character for J. curcas L. because it has a significant correlation to the yield.         Key words: flower, yield, Jatropha curcas
Evaluasi Penampilan dan Efek Heterosis Hasil Persilangan Beberapa Aksesi Jarak Pagar (Jatropha curcas L.) Wijaya, Andi; Susantidiana, ,; Harun, Muhamad Umar; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 1 (2013): 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 (272.26 KB) | DOI: 10.24831/jai.v41i1.7082

Abstract

Agronomic performance and heterosis effect of progeny are important criteria for selection of parental hybrid. Theagronomic performance evaluation of Jatropha progeny which was derived from crossing of some Jatropha accessions hasbeen carried out for those goals. The study was conducted at Agro Techno Park, Indralaya South Sumatra. The crossingcombinations were Pidie x Medan, Curup x Lampung, Pidie x Lampung, Lampung x Pidie, Curup x Medan, Indralaya xPontianak, Medan x Palembang, Curup x Pidie, and Jogya x Komering. Oil production, nitrate reductase enzyme activity,leaf chlorophyll content and relative plant growth rate were evaluated. The result showed that the relative plant growth ratecould be used as early detection parameter for yield potential. Progenies of Pontianak x Indralaya, Palembang x Indralayaand Pidie x Lampung were selected as promising hybrids based on high productivity and heterosis effect.Keywords: Jatropha curcas, heterosis, relative plant growth rate, nitrate reductase activity