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| Content Provider | Springer Nature Link |
|---|---|
| Author | Boodi, Ishwar H. Pattanashetti, Santosh K. Biradar, Basavaraj D. Naidu, Gopalakrishna K. Chimmad, Virupakshi P. Kanatti, Anand Kumar, Vinod Debnath, Manoj K. |
| Copyright Year | 2016 |
| Abstract | Iron deficiency chlorosis (IDC) causes a significant reduction in yield of groundnut grown in calcareous and alkaline soils in India. The main aim of the study was to assess genotypic differences for morpho-physiological parameters associated with IDC resistance across different stages and their effect on yield and its related traits. The factorial pot experiment was comprised of two major factors, i) soil-Fe status [normal-Fe, deficit-Fe], and ii) genotypes [five] with differential IDC response, constituting 10 treatments. They were assessed for five morpho-physiological parameters associated with IDC resistance across five crop growth stages and also yield and its related traits. Associations between these traits were also estimated. Under deficit-Fe conditions, IDC resistant genotypes recorded significantly lower visual chlorosis rating (VCR), higher SPAD values, active Fe, chlorophyll content, peroxidase activity, and high yield compared to susceptible ones. Between normal- to deficit-Fe soils, resistant compared to susceptible genotypes showed no change in VCR scores; a lower reduction in SPAD, chlorophyll, active Fe, peroxidase activity, and pod yield. Under deficit-Fe conditions, high yield among resistant genotypes could be attributed to higher seed weight, number of pods and haulm yield, while contrasting reduction in main stem height and number of primaries. The results indicate that for initial large-scale screening of groundnut genotypes for IDC resistance, SPAD values are most ideal while active Fe could be utilized for confirmation of identified lines. |
| Starting Page | 177 |
| Ending Page | 187 |
| Page Count | 11 |
| File Format | |
| ISSN | 19759479 |
| Journal | Journal of Crop Science and Biotechnology |
| Volume Number | 19 |
| Issue Number | 2 |
| e-ISSN | 20058276 |
| Language | English |
| Publisher | The Korean Society of Crop Science |
| Publisher Date | 2016-06-28 |
| Publisher Place | Suwon |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | iron deficiency chlorosis groundnut morpho-physiological parameters peanut yield-related traits Plant Sciences Plant Genetics & Genomics Plant Pathology Plant Physiology Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Biotechnology Agronomy and Crop Science |
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