Physiological and biochemical basis for determining seed longevity in carrot (Daucus carota L.)

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dc.contributor.advisorBassi, Geeta
dc.contributor.authorManjeet Kaur
dc.date.accessioned2017-06-08T11:17:54Z
dc.date.available2017-06-08T11:17:54Z
dc.date.issued2016
dc.description.abstractThe present investigation was carried out at Seed Technology Centre, Punjab Agricultural University, Ludhiana. The freshly harvested foundation seed of carrot cv. Punjab Carrot Red was stored from June 2015 to June 2016 under different storage temperature conditions (ambient, cold room and refrigerator) in four different packaging materials (cloth bag, plastic bag 700 gauge, desiccator with silica gel and desiccator with drying beads). The initial moisture content of carrot seeds was 6.90%. Bimonthly observations with respect to physiological and biochemical seed quality parameters were conducted to determine the longevity and viability of the stored seeds. Based upon the observed results it was concluded that if the carrot seeds with MC of 5.5±1% to 5.8±1% stored in the desiccator containing drying beads or silica gel and stored in refrigerator (~5.9°C) with RH of 30.36±5% or cold room (~15.7°C) with RH of 56.76±5%, can maintain seed viability up to 12 months. It was also inferred that, under ambient temperature conditions (~29.4°C) at RH of 37.2±5% with MC of 6.7±1%, the carrot seeds can be stored for 12 months if packed in the cloth bag.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810018916
dc.keywordsCarrot seeds, catalase, moisture content, packagings, peroxidase, relative humidity, storage temperature and superoxide dismutaseen_US
dc.language.isoenen_US
dc.pages49en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemPhysiological and biochemical basis for determining seed longevity in carrot (Daucus carota L.)en_US
dc.subBotanyen_US
dc.subjectnullen_US
dc.themedetermining seed longevity in carroten_US
dc.these.typeM.Scen_US
dc.titlePhysiological and biochemical basis for determining seed longevity in carrot (Daucus carota L.)en_US
dc.typeThesisen_US
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