Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits
Root length and rapid elongation of roots during early stages of growth determines drought tolerance in rice. Some of the traditional rice genotypes including Nootripathu, a drought tolerant upland rice genotype possesses the above drought adaptive traits but no attempts have been made to map them...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Indian Society of Plant Breeders
2019-06-01
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| Series: | Electronic Journal of Plant Breeding |
| Subjects: | |
| Online Access: | http://ejplantbreeding.org/index.php/EJPB/article/view/3287 |
| _version_ | 1831666167989665792 |
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| author | ALS Elaventhan S. Reena M. Raveendran and A. John Joel |
| author_facet | ALS Elaventhan S. Reena M. Raveendran and A. John Joel |
| author_sort | ALS Elaventhan |
| collection | DOAJ |
| description | Root length and rapid elongation of roots during early stages of growth determines drought tolerance in rice. Some of the
traditional rice genotypes including Nootripathu, a drought tolerant upland rice genotype possesses the above drought
adaptive traits but no attempts have been made to map them. In this study, a set of 100 advanced generation Recombinant
Inbred Lines (RILs) developed between IR20 (shallow rooted) and Nootripathu (deep rooted) were carefully examined for
their root growth behaviour. Parents, IR20 and Nootripathu exhibited significant differences in their radicle emergence, root
elongation rate and root length on 3rd and 9th day after germination. RILs exhibited continuous genetic variation for root
length and crown root number and revealed its suitability for genetic mapping of various root growth traits. |
| first_indexed | 2024-12-19T19:49:12Z |
| format | Article |
| id | doaj.art-b377012ab75b4734ad572dd04069e600 |
| institution | Directory Open Access Journal |
| issn | 0975-928X |
| language | English |
| last_indexed | 2024-12-19T19:49:12Z |
| publishDate | 2019-06-01 |
| publisher | Indian Society of Plant Breeders |
| record_format | Article |
| series | Electronic Journal of Plant Breeding |
| spelling | doaj.art-b377012ab75b4734ad572dd04069e6002022-12-21T20:08:04ZengIndian Society of Plant BreedersElectronic Journal of Plant Breeding0975-928X2019-06-0110265365810.5958/0975-928X.2019.00082.6Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traitsALS ElaventhanS. ReenaM. Raveendran andA. John JoelRoot length and rapid elongation of roots during early stages of growth determines drought tolerance in rice. Some of the traditional rice genotypes including Nootripathu, a drought tolerant upland rice genotype possesses the above drought adaptive traits but no attempts have been made to map them. In this study, a set of 100 advanced generation Recombinant Inbred Lines (RILs) developed between IR20 (shallow rooted) and Nootripathu (deep rooted) were carefully examined for their root growth behaviour. Parents, IR20 and Nootripathu exhibited significant differences in their radicle emergence, root elongation rate and root length on 3rd and 9th day after germination. RILs exhibited continuous genetic variation for root length and crown root number and revealed its suitability for genetic mapping of various root growth traits.http://ejplantbreeding.org/index.php/EJPB/article/view/3287RiceEarly rootingCrown rootRecombinant Inbred Lines |
| spellingShingle | ALS Elaventhan S. Reena M. Raveendran and A. John Joel Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits Electronic Journal of Plant Breeding Rice Early rooting Crown root Recombinant Inbred Lines |
| title | Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits |
| title_full | Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits |
| title_fullStr | Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits |
| title_full_unstemmed | Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits |
| title_short | Evaluation of recombinant inbred lines of IR20 and Nootripathu for root traits |
| title_sort | evaluation of recombinant inbred lines of ir20 and nootripathu for root traits |
| topic | Rice Early rooting Crown root Recombinant Inbred Lines |
| url | http://ejplantbreeding.org/index.php/EJPB/article/view/3287 |
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