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http://krishi.icar.gov.in/jspui/handle/123456789/45254| Title: | Photosynthetic efficiency in Gymnema sylvestre (Retz.) R.Br. genotypes |
| Authors: | Kuldeep singh Atmaram Kalariya Dipal Minipara Parmeshwar Lal Saran Lipi Poojara A. C. Polireddy P. Manivel |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Directorate of Medicinal and Aromatic Plants Research |
| Published/ Complete Date: | 2019-09-24 |
| Keywords: | Chlorophyll fluorescence Gymnema sylvestre Maximum efficiency of photosynthesis Stomatal conductance Water use efficiency |
| Publisher: | SPRINGER NATURE |
| Abstract/Description: | Leaves of Gymnema sylvestre (Retz.) R.Br. ex SCHULT plants are used to cure the most prevalent and important life styledisease, the diabetes mellitus. Gymnema is a slow growing plant genotype with the requirement of higher photosynthetic rate.Presently, there is no report available on gaseous exchange and chlorophyll fluorescence parameters in gymnema. Total 44genotypes were evaluated for their physiological efficiencies during post rainy season in sub-tropical region of Gujarat.Thelight curve studies indicated the light requirement of the plants to be between 1000 and 1250 μ mol (photons) m−2 s−1. Genotypeswere categorized into low, medium and high groups considering over all mean values of different parameters ± Standarddeviation. Seven genotypes showed higher photosynthetic rate (PN), nine genotypes showed higher stomatal onductance (gs),six genotype exhibited higher transpiration rate (E), five genotypes revealed higher intrinsic water use efficiency (WUEint),eight genotypes manifested maximum photochemical efficiency ( Fv/Fm), seven genotypes reached maximum actual efficiencyof PSII ( F v/F m ), six genotype showed aximum quantum yield of PSII (ɸPSII) and electron transport rate (ETR) and sevengenotypes exhibited higher open PS II centers (qP). The correlation matrix revealed that the PN was strongly positively correlated with gs, F v/F m , ΦPSII and ETR. DGS-2 and DGS-18 were physiologically most efficient genotypes having high valuesin seven common parameters. These parameters were PN, gs, Fv/Fm, F v/F m , ΦPSII, qPand ETR will be very useful in crop improvement program focused on biomass maximization in Gymnema sylvestre. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Vegetos |
| NAAS Rating: | 5.27 |
| Volume No.: | 32 |
| Page Number: | 473-485 |
| Source, DOI or any other URL: | https://doi.org/10.1007/s42535-019-00062-z |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/45254 |
| Appears in Collections: | HS-DMAPR-Publication |
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