Physiological and biochemical studies in mothbean [Vigna aconitifolia (Jacq.) Marechal] genotypes under soil moisture stress

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dc.contributor.advisorSharma, K.D.
dc.contributor.authorSunil Kumar
dc.date.accessioned2016-12-20T09:22:33Z
dc.date.available2016-12-20T09:22:33Z
dc.date.issued2005
dc.description.abstractThe study entitled “Physiological and biochemical studies in mothbean [Vigna aconitifolia (Jacq.) Marechal] genotypes under soil moisture stress” was conducted during Kharif season of 2004 at crop physiology research area of Agronomy Department CCS Haryana Agricultural University, Hisar. The experiment was laid out in factorial RBD with four replications. The treatment consisted of two environments of moisture stress (water stress and irrigated control) and four genotypes viz. RMO 40, RMO 257, MB 99-1 and CZM 10. Water stress decreased the maturity duration and profile moisture content consistently. Genotype RMO 40 was shortest in maturity duration and CZM 10 used maximum water. Development of moisture stress enhanced the phonological development significantly. Growth of mothbean in terms of plant height, dry matter accumulation, LAI, LAD, CGR, SLA, and RGR decreased with increase in moisture stress. However, root depth and SLW increased under moisture stress. All Plant water status parameters i.e. w, s, RWC and CTD decreased from morning to afternoon and with moisture stress. Gaseous exchange studies i.e. rate of photosynthesis, transpiration and stomatal conductance get reduced under water stress. Genotype MB 99-1 maintained higher biomass, plant water status and gaseous exchange under moisture stress. Biochemical metabolites i.e. chlorophyll, starch and protein content declined under water stress. However, free proline, total soluble carbohydrates, and free amino acids content showed sharp rise under moisture stress. Seed and biological yield reduced significantly by decreasing yield attributing characters i.e. number of effective pods, seeds per pod and test weight under water stress. Genotype MB 99-1 recorded highest seed yield and observed most drought tolerant in terms of having higher plant water status; gaseous exchange and biochemical metabolites.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/91245
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subPlant Physiologyen_US
dc.these.typeM.Sc
dc.titlePhysiological and biochemical studies in mothbean [Vigna aconitifolia (Jacq.) Marechal] genotypes under soil moisture stressen_US
dc.typeThesisen_US
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