ROLE OF HONEY BEES IN THE POLLINATION OF GUAVA (Psidium guajava L.)

dc.contributor.advisorThirumalaraju, G. T.
dc.contributor.authorAHMAD, HUSSAIN.
dc.date.accessioned2017-07-04T08:41:07Z
dc.date.available2017-07-04T08:41:07Z
dc.date.issued2011-06-12
dc.description.abstractExperiment was conducted on guava variety Allahabed safed at Horticulture farm, University of Agricultural Sciences, GKVK, Bangalore. At flowering stage, guava was visited by ten species of insect pollinators. All these ten species belonged to order Hymenoptera. Among insect pollinators of guava, honey bees were the most predominant species. The peak foraging activity of honey bees was observed between 0900 and 1100 h. Fruit set in relation to frequency of bee visits to the flowers revealed that as the number of bee visits to each flower increased from 0 to 6 visits, the per cent of fruit set also increased (A. dorsata 13.89 to 86.11 %, A. cerana 11.11 to 75.00 % and A. florea 8.33 to 41.67 %). The mean fruit weight, fruit volume, fruit length and fruit width also increased with increase in number of bee visits irrespective of species. The flower drop was lowest in open pollinated plants (12.00 %) compared with those under caged condition (A. cerana 22.67 %, hand pollination at 0900 h 36.67 %, hand pollination at 0800 h 43.33 %, A. florea 54.67 % and hand pollination at 0700 h 66.67 %) and without honey bees (control 88.00 %). Maximum fruit set (88.00 %), fruit weight (144.31 g), fruit volume (131.50 ml), fruit length (6.43 cm), fruit girth (6.60 cm), fruit width (6.50 cm), number of seeds/fruit (250.83) and seed weight/fruit (3.46 g) were found in open pollinated plants, followed by A. cerana pollination, hand pollination at 0900 h, hand pollination at 0800 h, A. florea pollination, hand pollination at 0700 h and control plot. Total soluble sugars and percentage of seed germination was maximum in open pollination plot compared to other modes of pollination.en_US
dc.identifier.otherTh-9977
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810024175
dc.language.isoenen_US
dc.pages115en_US
dc.publisherUniversity of Agricultural Sciences GKVK, Bangaloreen_US
dc.subApicultureen_US
dc.subjectnullen_US
dc.themeHONEY BEES IN THE POLLINATION OF GUAVAen_US
dc.these.typeM.Scen_US
dc.titleROLE OF HONEY BEES IN THE POLLINATION OF GUAVA (Psidium guajava L.)en_US
dc.typeThesisen_US
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