Journal of Bioscience and Agriculture Research |
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RESEARCH ARTICLE:
Screening of salinity tolerance of rice at early seedling stage
Sejuti Mondal (a) and Teresita H. Borromeo (b)
aDept. of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur 1706
bCrop Science Cluster, College of Agriculture, University of the Philippines Los Banos (UPLB), College, Laguna, Philippines
J. bios. agric. res. | Volume 10, Issue 01, pp. 843-847 | Available online: 14 September 2016
DOI: 10.18801/jbar.100116.102
Screening of salinity tolerance of rice at early seedling stage
Sejuti Mondal (a) and Teresita H. Borromeo (b)
aDept. of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur 1706
bCrop Science Cluster, College of Agriculture, University of the Philippines Los Banos (UPLB), College, Laguna, Philippines
J. bios. agric. res. | Volume 10, Issue 01, pp. 843-847 | Available online: 14 September 2016
DOI: 10.18801/jbar.100116.102
FULL TEXT PDF:
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Title: Screening of salinity tolerance of rice at early seedling stage
Abstract: The study was conducted at International Rice Research Institute (IRRI) to assess the response of dry season hybrid seeds including parental checks FL478 and NSIC Rc222 to salt tolerance (12 dS/m) at the seedling stage of rice using IRRI screening techniques. The total number of seeds were two hundred thirty-one and irrigated, flood prone, heat tolerance, salinity and problem soils, aerobic and anaerobic germination, rainfed lowland and South Asian samples were used for this experiment. Among them, only 1.73% populations (4 irrigated) were identified as tolerant, 18.18% moderately tolerant, 37.26% sensitive and 46.86% were highly sensitive. Moderately tolerant plants were found from irrigated, flood prone, salinity and problem soils, aerobic germination, anaerobic germination and rainfed lowland and South Asian genotypes. As there was Brown Plant Hopper (BPH) infestation in this experiment, the tolerant genotypes may also be tolerant to BPH and for that reason results were distorted for other genotypes. Therefore, study should be conducted under controlled environment to ascertain the level of salt tolerance of the moderately tolerant populations. Besides, the identified tolerant genotypes (4) should be further tested with 18 dS/m to determine their supremacy to salt tolerance at the seedling and reproductive stages and QTL analysis could be performed to determine the effects of each genomic region of the trait of interest.
Key Words: Salinity tolerance, Seedling stage, IRRI, FL478 and NSIC Rc222
Abstract: The study was conducted at International Rice Research Institute (IRRI) to assess the response of dry season hybrid seeds including parental checks FL478 and NSIC Rc222 to salt tolerance (12 dS/m) at the seedling stage of rice using IRRI screening techniques. The total number of seeds were two hundred thirty-one and irrigated, flood prone, heat tolerance, salinity and problem soils, aerobic and anaerobic germination, rainfed lowland and South Asian samples were used for this experiment. Among them, only 1.73% populations (4 irrigated) were identified as tolerant, 18.18% moderately tolerant, 37.26% sensitive and 46.86% were highly sensitive. Moderately tolerant plants were found from irrigated, flood prone, salinity and problem soils, aerobic germination, anaerobic germination and rainfed lowland and South Asian genotypes. As there was Brown Plant Hopper (BPH) infestation in this experiment, the tolerant genotypes may also be tolerant to BPH and for that reason results were distorted for other genotypes. Therefore, study should be conducted under controlled environment to ascertain the level of salt tolerance of the moderately tolerant populations. Besides, the identified tolerant genotypes (4) should be further tested with 18 dS/m to determine their supremacy to salt tolerance at the seedling and reproductive stages and QTL analysis could be performed to determine the effects of each genomic region of the trait of interest.
Key Words: Salinity tolerance, Seedling stage, IRRI, FL478 and NSIC Rc222
APA (American Psychological Association)
Mondal, S & Borromeo, T. H. (2016). Screening of salinity tolerance of rice at early seedling stage. Journal of Bioscience and Agriculture Research, 10(01), 843-847.
MLA (Modern Language Association)
Mondal, S & Borromeo, T. H. "Screening of salinity tolerance of rice at early seedling stage". Journal of Bioscience and Agriculture Research, 10.01 (2016), 843-847.
Chicago/Turabian
Mondal, S & Borromeo, T. H. Screening of salinity tolerance of rice at early seedling stage. Journal of Bioscience and Agriculture Research, 10, no. 01 (2016), 843-847.
Mondal, S & Borromeo, T. H. (2016). Screening of salinity tolerance of rice at early seedling stage. Journal of Bioscience and Agriculture Research, 10(01), 843-847.
MLA (Modern Language Association)
Mondal, S & Borromeo, T. H. "Screening of salinity tolerance of rice at early seedling stage". Journal of Bioscience and Agriculture Research, 10.01 (2016), 843-847.
Chicago/Turabian
Mondal, S & Borromeo, T. H. Screening of salinity tolerance of rice at early seedling stage. Journal of Bioscience and Agriculture Research, 10, no. 01 (2016), 843-847.
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