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http://krishi.icar.gov.in/jspui/handle/123456789/16192| Title: | Differential responses of rice genotypes and physiological mechanism under prolonged deepwater flooding |
| Other Titles: | Not Available |
| Authors: | Anandan A, Pradhan SK, Dash SK, Behera L, Sangeetha G |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::National Rice Research Institute |
| Published/ Complete Date: | 2015-01-01 |
| Project Code: | Not Available |
| Keywords: | Rice, Flooding, Prolonged flooding, Tolerance mechanisms |
| Publisher: | Elsevier |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Submerge tolerant genotypes and genotypes representing wide range of ecosystems were compared innormal and prolonged flooding situation during 2011 and 2012. Discriminant function analysis discrim-inated tolerant from intolerant genotypes by shoot length, grain yield per plant, number of tillers, EBTand number of nodes per stem. Cultivar-by-biplot analysis revealed that grain yield strongly correlatedwith filled grains per panicle, number of EBT, number of nodes, spikelet fertility percent or basal culmgirth under prolonged flooding. Further, based on biplot analysis, two rice genotypes – Puzhuthiikar andIR 72593 were selected for pot experiment to study their physiological mechanisms of escape from pro-longed flooding by evaluating photosynthesis, transpiration, inter cellular CO2and morphometric traits.Under prolonged flooding, cv Puzhuthiikar exhibited significant increase in leaf blade length, sheathlength and area and decrease in leaf blade area. Consequently, photosynthetic rate, transpiration andintercellular CO2were increased. Therefore, breeders who involved in breeding rice cultivars for pro-longed flooding situation should emphasize on parameters leaf blade length, sheath length and area tobreed genotype suitable for prolonged flooding condition. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Field Crops Research |
| NAAS Rating: | 10.31 |
| Volume No.: | 172 |
| Page Number: | 153 |
| Name of the Division/Regional Station: | Crop Improvement |
| Source, DOI or any other URL: | http://dx.doi.org/10.1016/j.fcr.2014.11.007 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/16192 |
| Appears in Collections: | CS-NRRI-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Field crop research - Anandan.pdf | 2.43 MB | Adobe PDF | View/Open |
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