Drought stress during the generative stage poses a significant loss to agricultural production around the world and thus poses a serious threat to the sustainable agriculture of rice (Oryza sativa L.). A proper selection approach will help to obtain the expected superior genotype. This study aims to select eight rice genotypes that are drought tolerant during the generative stage using a multivariate analysis and preference selection index. The research was conducted from January to April 2019 at the Isotope and Radiation Application Center, National Nuclear Energy Agency of Indonesia. The screening experiment was planned under a randomized complete block design (RCBD) with two factors and three replications. Six of the thirteen observed characters were selected (i.e. plant height, panicle length, number of leaves, root length, leaf width, and number of panicles) with a cumulative value of 66.73%, according to factor analysis based on principal components analysis, could be used as selection criteria for drought tolerance during the generative stage. Towuti (index value 0.951) and Limboto (index value 0.925) genotypes displayed a potential to be tolerant to drought stress during the generative stage according to preference selection index analysis.
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6 February 2024
PROCEEDINGS OF THE 1ST INTERNATIONAL CONFERENCE ON FOOD AND AGRICULTURAL SCIENCES (ICFAS) 2022: Advanced Agricultural Technology to Deal with Climate Change Issues for Achieving Food Security
24–25 November 2022
Bogor, Indonesia
Research Article|
February 06 2024
Multivariate analysis and preference selection index to selecting rice genotype adaptive on drought stress environment during generative stage
Kunto Wibisono;
Kunto Wibisono
a)
1
Research Center for Food Crops, National Research and Innovation Agency (BRIN)
, Bogor 16911, Indonesia
a)Corresponding author: [email protected]
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Hasna Dama;
Hasna Dama
2
Department of Agrotechnology, Faculty of Agriculture, Gorontalo State University
, Gorontalo 96128, Indonesia
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Azri Kusuma Dewi
Azri Kusuma Dewi
3
Research Center for Radiation Process Technology, National Research and Innovation Agency (BRIN)
, Jakarta 12440, Indonesia
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a)Corresponding author: [email protected]
AIP Conf. Proc. 2957, 080007 (2024)
Citation
Kunto Wibisono, Hasna Dama, Azri Kusuma Dewi; Multivariate analysis and preference selection index to selecting rice genotype adaptive on drought stress environment during generative stage. AIP Conf. Proc. 6 February 2024; 2957 (1): 080007. https://doi.org/10.1063/5.0183906
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