Development and management of fruit flies, Bactrocera spp. on different fruit crops

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dc.contributor.advisorSHARMA, D. R.
dc.contributor.authorSandeep Singh
dc.date.accessioned2017-06-03T07:23:48Z
dc.date.available2017-06-03T07:23:48Z
dc.date.issued2012
dc.description.abstractThe present study entitled “Development and management of fruit flies, Bactrocera spp. on different fruit crops” was conducted inthe Fruit Entomology Laboratory, Department of Fruit Science, Punjab Agricultural University, Ludhiana and University Seed Farm, Ladhowal during 2010 and 2011. Studies on development of fruit flies, Bactrocera dorsalis (Hendel) and Bactrocera zonata (Saunders) on different fruit crops showed that guava was the most suitable host followed by Kinnow, pearand peach. Different combinations of temperature and relative humidity did not have any consistent influence on biological parameters. Evaluation of the impact of number of methyl eugenol based mineral water bottle traps (4-16 traps/acre) in male annihilation technique (MAT) in peach, pear, guava and Kinnow revealed that number of traps had a significant impact on the number of males trapped, quality marketable fruits and yield. Maximum males were trapped in guava followed by Kinnow, pear and peach. Four peaks were recorded with the availability of hosts like peach, pear, guava and Kinnow. A total of 1.99 lakh males were trapped (SMW 14 to 45) in these four crops during the year 2010. The present study indicated that availability of host plants had a direct bearing on population of fruit flies but the population was positively correlated with maximum and minimum temperature, whereas rainfall, sunshine and relative humidity had no significant effect on population variation on different crops. The successful control of male fruit flies and highest fruit yield was achieved by using 16 traps/acre in all these crops. Spinosad based bait application technique (BAT) comprising of a mixture of protein hydrolysate (0.1%) and spinosad (0.03%) was an appropriate treatment for the management of female fruit flies on pear and guava. Application of new IPM Module involving cultural practices, sanitation, MAT (16 traps/acre) and BAT (a mixture of protein hydrolysate (0.1%) and spinosad 0.03%) had successfully reduced the fruit fly population/infestation on pear, guava and Kinnow crops. Adults of parasitoid, Biosteres (Chilocaudatus) longicaudatus Ashmead emerged from fruit fly infested peach, pear, guava and Kinnow fruits.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810015778
dc.language.isoenen_US
dc.publisherPAUen_US
dc.subEntomology
dc.subjectFruit crops, Bactrocera spp., Developmental studies, Male annihilation technique, Bait application technique, Integrated pest management.en_US
dc.these.typePh.D
dc.titleDevelopment and management of fruit flies, Bactrocera spp. on different fruit cropsen_US
dc.typeThesisen_US
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