Studies on epidemiology and management of pearl millet rust incited by Puccinia substriata var. pennicillariae

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dc.contributor.advisorKushal Raj
dc.contributor.authorAnnu
dc.date.accessioned2016-10-24T14:54:21Z
dc.date.available2016-10-24T14:54:21Z
dc.date.issued2016
dc.description.abstractRust caused by Puccinia substriata var. penicillariae is one of the major disease affecting both forage and grain production in pearl millet. The present investigation was undertaken to study the role of weather factors in relation to development of pearl millet rust on three hybrids viz., HHB 197, HHB 223 and HHB 67 Imp at three different dates of sowing (early, recommended and late). Among three hybrids rust severity was more in HHB 223 on 2nd date of sowing (recommend sown) and AUDPC was more in HHB 223 corroborating with HHB 197 but lesser in HHB 67 Imp. Apparent infection rate was variable at different stages depending upon environmental conditions corroborating to the stage of crop. Maximum periodical progression of the disease was observed during last week of October, Amongst 228 entries of coordinated trials, none of the entry was free from rust severity, 10 entries showed 0.1-20% rust severity, 48 entries showed 20.1-40% rust severity, 80 entries showed 40.1-60% rust severity, 67 entries showed 60.1-80% rust severity and 23 entries showed more than 90% rust severity. Amongst 276 entries of state trials, 39 entries were free from rust severity, 188 entries showed 0.1-20% rust severity, 71 entries showed 20.1-40% rust severity, 15 entries showed 40.1-60% rust severity, two entries showed 60.1-80% rust severity and none entry showed more than 80% rust severity. Various plant product, bioagent and fungicides were evaluated under screen house and field condtions. Propiconazole 25% EC @ 0.1% managed the rust most effectively and significantly both under screen house and field conditions. Maximum Grain yield (514.7 kg/acre), test weight (8.13 g) and Benifit: Cost ratio 3.98: 1 was observed in Propiconazole 25% EC (0.1%) sprayed plot followed by Hexaconazole 5% EC (0.1%) and proved most economical in managing the rust of pearl millet.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/81543
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subPlant Pathology
dc.subjectDiseases, Fungi, Millets, Fruits, Planting, Biological phenomena, Sowing, Sowing date, Fungicides, Land resourcesen_US
dc.these.typeM.Sc
dc.titleStudies on epidemiology and management of pearl millet rust incited by Puccinia substriata var. pennicillariaeen_US
dc.typeThesisen_US
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