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Ricoh Darisman Sihombing
Agroecotechnology Study Program, Brawijaya University, Malang 65145, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology

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Agronomic Character Variability Among Upland Rice Genotypes (Oryza sativa L.) Ricoh Darisman Sihombing; Lailatul Badriyah; Dewi Nawank Sary; Thoriq Ahmad Syauqy; Eries Dyah Mustikarini; Gigih Ibnu Prayoga; Ratna Santi; Budi Waluyo
Nusantara Science and Technology Proceedings Multi-Conference Proceeding Series C
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2610

Abstract

Rice production still has to be increased to meet the domestic needs of consumer preferences. Therefore, it is necessary to develop rice genotypes that have agronomic characteristics which can encourage high production. The objective of this research is to examine the variability of agronomic performance as well as the genotypic and phenotypic variability of agronomic traits among rice lines and cultivars. Materials included six promising lines and four cultivars. Urea, SP-36, and KCl fertilizers are used, as well as equipment for sacks, envelopes, fungicides, and pesticides. The research was based on an experiment with a randomized block design. This research was conducted at the Experimental Field of Agriculture Faculty, Universitas Brawijaya in Jatimulyo, Malang, from March to July 2022. According to the data, there is variation in the agronomic performance of the examined genotypes. Based on the coefficient of genotypic variation value, none are classified as high. All characters had a high category of variation based on phenotypic variance.
Phenological Characteristics, Distinctness, Uniformity, and Morphological Stability of Potential Genotypes of Upland Rice Lailatul Badriyah; Dewi Nawank Sary; Thoriq Ahmad Syauqy; Ricoh Darisman Sihombing; Eries Dyah Mustikarini; Gigih Ibnu Prayoga; Ratna Santi; Budi Waluyo
Nusantara Science and Technology Proceedings Multi-Conference Proceeding Series C
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2613

Abstract

Every cultivar has characteristics that distinguish it from another cultivar. As opposed to within the cultivar it is required to be uniform and not indicate variations due to segregation. Knowledge of the characteristics of local rice and high-yielding cultivar will be more advantageous if it is supported by knowledge of the morphological changes of plant parts at each stage of growth. This study was conducted to determine the distinctness, uniformity, and stability of 10 potential upland rice genotypes and obtain information about growth stages based on phenology. The research was conducted based on an experimental study using a randomized block design with three replications. Observation of rice genotype characteristics was carried out based on the phenological measurement guide from the Biologische Bundesanstalt, bundessortenamt und CHemische Industrie (BBCH) for rice, and the DUS characterization guide from UPOV. The results showed that the growth stages of 10 rice genotypes consisted of 10 primary growth phases and there are variations in phenological phases in each genotype. Morphological characterization showed that 10 genotypes had a uniform and stable morphology and were grouped into 2 clusters. Cluster 1 consisting of G1, G2, G3, G4, G5, G8, and G10. Cluster 2 consists of G6, G7, and G9. The phenology of rice and morphological differences indicate variations in the genetic potential that each genotype possesses. The timing of morphological and agronomic observations of rice can be determined using the information on plant phenology.
Co-Authors Budi Waluyo Dewi Nawank Sary Eries Dyah Mustikarini Gigih Ibnu Prayoga Lailatul Badriyah Ratna Santi Ratna Santi, Ratna Thoriq Ahmad Syauqy