SCREENING OF CHICKPEA (Cicer arietinum L.) LINES FOR DROUGHT TOLERANCE

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dc.contributor.advisorJ. R. PATIL
dc.contributor.authorMAHESHANKAR
dc.date.accessioned2020-07-10T10:30:30Z
dc.date.available2020-07-10T10:30:30Z
dc.date.issued2018-10-30
dc.description.abstractThe present investigation was conducted at Agricultural Research Station, Kalaburgi, University of Agricultural Sciences, Raichur, during the rabi2017-18 for the screening of chickpea lines for drought tolerance. Among two experiments conducted, the first experiment was laid out in split plot design which consists of twelve genotypes sown in the field under irrigated and non irrigated condition to evaluate morpho-physiological, biochemical and yield parameters, whereas second experiment was conducted for root characterization study of same genotypes in PVC pipes. The field experiment was replicated thrice. The interaction effects between irrigation and genotypes and growth behavior was studied during 35 DAS, 55 DAS, 75 DAS and harvest stage. Significant changes in the plant height, biomass, growth parameters and root traits (root length and root mass) under both irrigated and non-irrigated condition were recorded, indicating the effect of moisture stress on plant.Among the genotypes, RKD-1 shows significantly higher plant height, number of branches, growth parameters such as AGR, CGR, LAI and also proline content (8.66 μ mole g-1 fresh wt.),relative water content (71.28%) and least values were recorded inRVSSG-52 (6.46 μ mole g-1 fresh wt., 59.94%, respectively) under both irrigated andnon irrigated conditions. Similarly, lower membrane injury index (31.73%) was recorded in RKD-1 compared to of JG-11 (check) (33.47%).Under both irrigated and non-irrigated condition higher yield parameters such as number of pods per plant, seed yield and harvest index were recorded in RKD-1 (48, 1991 kg ha-1 and 43.34%)compared to of JG-11 (check) (46, 1954 kg ha -1 and 41.32%). Genotypes showing higher amount proline content, relative water content along with lower leaf water potential and membrane injury index coupled with deeper root length are attributed for the drought tolerance.en_US
dc.identifier.citation150en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810149015
dc.language.isoenen_US
dc.pages142en_US
dc.publisherUNIVERSITY OF AGRICULTURAL SCIENCES RAICHUR - 584 104en_US
dc.research.problemSCREENING OF CHICKPEA (Cicer arietinum L.) LINES FOR DROUGHT TOLERANCEen_US
dc.subCrop Physiologyen_US
dc.subjectnullen_US
dc.themeSCREENING OF CHICKPEA (Cicer arietinum L.) LINES FOR DROUGHT TOLERANCEen_US
dc.these.typeM.Scen_US
dc.titleSCREENING OF CHICKPEA (Cicer arietinum L.) LINES FOR DROUGHT TOLERANCEen_US
dc.typeThesisen_US
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