Epidemiology and Management of Post harvest diseases of Kinnow mandarin

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dc.contributor.advisorRaheja, Sandeep
dc.contributor.authorGurwinder Kaur
dc.date.accessioned2024-01-03T10:39:32Z
dc.date.available2024-01-03T10:39:32Z
dc.date.issued2021
dc.description.abstractSurveys were conducted periodically (twice in a month) from January to March during 2019 and 2020 to record the incidence and prevalence of major post-harvest rots of Kinnow mandarin and pathogens associated with it in South-western Punjab. Highest incidence of post-harvest rot of Kinnow mandarin 20.21 and 12.59 percent was observed in the month of March during the year 2019 and 2020, respectively. Penicillium digitatum and Penicillium italicum causing green and blue mould rots were found to be two most prevalent post-harvest pathogens with their prevalence of 30.88 and 26.44 percent, respectively during 2019 and 32.44 and 24.88 percent, respectively, during 2020. Temperature of 25˚C favoured maximum radial growth (84.67 mm) of both test pathogens also, maximum percent disease index of green (95.00 percent) and blue mould rot (90.00 percent) was recorded at 25˚C. The pH 5.5 and 6.0 supported maximum radial growth of P. italicum by 90.00 & 88.66 mm and of P. digitatum by 88.67 & 87.67 mm, respectively and were found to be at par with each other. Among different GRAS chemicals and botanicals evaluated against test pathogens, copper sulphate, boric acid, sodium bicarbonate and sodium carbonate at 100mM and above concentrations among chemicals and garlic extract at 10 per cent and above concentration among botanicals showed complete inhibition (100.0 percent) of both test pathogens under in vitro, whereas, under in vivo garlic extract at the concentration of 15 percent showed complete inhibition of green (100.0 percent) and of blue mold rot (92.22 percent). Boric acid at the concentration of 4 percent showed complete inhibition (100.0 percent) of both the test pathogens.en_US
dc.identifier.citationGurwinder Kaur (2021). Epidemiology and Management of Post harvest diseases of Kinnow mandarinen_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810205444
dc.keywordsPost-harvest, Kinnow mandarin, Penicillium digitatum, Penicillium italicum, Prevalence, Symptomatology, Epidemiology, Managementen_US
dc.language.isoEnglishen_US
dc.pages65en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemEpidemiology and Management of Post harvest diseases of Kinnow mandarinen_US
dc.subPlant Pathologyen_US
dc.themeEpidemiology and Management of Post harvest diseases of Kinnow mandarinen_US
dc.these.typeM.Scen_US
dc.titleEpidemiology and Management of Post harvest diseases of Kinnow mandarinen_US
dc.typeThesisen_US
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