Population Dynamics and Management of Carpomyia vesuviana Costa on Ber, Ziziphus mauritiana (L.

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dc.contributor.advisorBairwa, D.K.
dc.contributor.authorBAGARIA, SANJAY KUMAR
dc.date.accessioned2024-01-02T12:00:37Z
dc.date.available2024-01-02T12:00:37Z
dc.date.issued2022
dc.description.abstractInvestigations on “Population Dynamics and Management of Carpomyia vesuviana Costa on Ber, Ziziphus mauritiana (L.)” were carried out at Asalpur farm, S.K.N College of Agriculture, Jobner during October, 2021 to March, 2022. The Infestation of ber fruit fly on cultivar Gola started in the first week of November and gradually increased and reached its peak in the first week of February on number basis and in the third week of January on weight basis. A non-significant negative correlation was observed between infestation of fruit fly with maximum and minimum temperature. The morning and evening relative humidity and rain fall showed non-significant positive correlation with the incidence of fruit fly. Wind velocity showed significant positive correlation with the incidence of ber fruit fly. A significant difference was found in marketable yield between the protected and unprotected plots. The average fruit yield per tree of protected plots was 52.13 kg per tree while the average fruit yield of unprotected plots was 32.51 kg per tree. The loss in yield caused by ber fruit fly was 37.61 per cent in unprotected trees as compared to protected treeOut of seven biopesticides tested against ber fruit fly, revealed that spinosad 45 SC 0.01% was found most effective followed by azadirachtin 0.03 EC. The treatment of NSKE 5%, Beauveria bassiana 1.15 WP and Metarhizium anisopliae 1.15 WP existed in moderate group of their efficacy however they were at par to each other. The Neem oil and Karanj oil proved least effective against fruit fly. All the biopesticide increased the marketable yield of ber fruits significantly over the control. The maximum yield (41 kg/tree) was recorded in the plot treated with spinosad 45 SC followed by azadirachtin 0.03 EC (37 kg/tree), NSKE 5% (35.35 kg/tree), Beauveria bassiana 1.15 WP (33 kg/tree) and Neem oil (32 kg/tree). The minimum yield (31 kg/tree and 29.40 kg/tree) was recorded in Metarhizium anisopliae 1.15 WP and Karanj oil. Maximum increase in yield over control was recorded in the plot treated with spiosad 45 SC (37.91%) followed by azadirachtin 0.03 EC (34.05%), NSKE 5% (31.85%), Beauveria bassiana 1.15 WP (25.71%) and Neem oil (22.48%). whereas, The minimum increase in yield over control was found in Metarhizium anisopliae 1.15 WP (19.71%) and Karanj oil (18.28%) The highest incremental cost benefit ratio (ICBR) of 4.03 was computed in spinosad followed by Beauveria bassiana (2.62), azadirachtin (2.60), Neem oil (2.41) and NSKE (2.16). The lowest B:C ratio 1.58 was obtained in Karanj oil and 2.0 Metarhizium anisopliae
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810205266
dc.keywordsPopulation Dynamics
dc.keywordsPopulation Dynamics and Management
dc.language.isoEnglish
dc.research.problemPopulation Dynamics and Management of Carpomyia vesuviana Costa on Ber, Ziziphus mauritiana (L.
dc.subEntomology
dc.themePopulation Dynamics and Management of Carpomyia vesuviana Costa on Ber, Ziziphus mauritiana (L.
dc.these.typeM.Sc
dc.titlePopulation Dynamics and Management of Carpomyia vesuviana Costa on Ber, Ziziphus mauritiana (L.
dc.typeThesis
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