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http://krishi.icar.gov.in/jspui/handle/123456789/14053| Title: | Physiological efficiencies in mini-core peanut germplasm accessions |
| Other Titles: | Not Available |
| Authors: | A.L. Singh, R.N. Nakar, K. Chakraborty, K.A. Kalariya |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR-Directorate of Groundnut Research |
| Published/ Complete Date: | 2014-03-28 |
| Project Code: | IXX04473 |
| Keywords: | chlorophyll fluorescence, core collection, gene bank, crop productivity |
| Publisher: | Institute of Experimental Biology of the Czech Academy of Sciences |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | In the present study, the physiological efficiencies of 181 mini-core peanut accessions (genotypes) were evaluated according to variability in their physiological performance in the field during summer (2012). Genotypes were categorized into groups of high, medium, and low physiological activity. Thirty-four genotypes showed high net photosynthetic rate (PN > 33 μmol m–2 s–1), 28 genotypes exhibited high stomatal conductance (gs > 0.54 mmol m–2 s–1), 33 genotypes manifested high transpiration rate (E > 11.8 mmol m–2 s–1), 30 genotypes performed with high water-use efficiency (WUE > 3.8), 30 genotypes reached high chlorophyll SPAD values (SCMR > 40), and 35 genotypes showed high maximum quantum yield of PSII (Fv/Fm > 0.86). In addition, few genotypes showed high values for multiple physiological traits. A total of 54 genotypes exhibited higher values in two, 20 genotypes showed a high value in three, and in eight genotypes, high values occurred in four different physiological traits. Interestingly, only two genotypes, NRCG 14493 and 14507, showed high values for five different traits. Positive correlation was observed between gs and PN, E, and gs, and between PN and Fv/Fm, while WUE and E showed a negative correlation. The genotypes with high PN, gs, and WUE coupled with high SCMR and Fv/Fm could be used in peanut crop improvement programme for yield enhancement as well as stress tolerance |
| Description: | Not Available |
| ISSN: | 1573-9058 |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Photosynthetica |
| NAAS Rating: | 8.56 |
| Volume No.: | 52(4) |
| Page Number: | 627-635 |
| Name of the Division/Regional Station: | Crop science |
| Source, DOI or any other URL: | 10.1007/s11099-014-0072-3 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/14053 |
| Appears in Collections: | CS-DGR-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Photosytica_2014.PDF | 1.54 MB | Adobe PDF | View/Open |
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