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RISS 인기검색어
- 검색키워드
- 저자 : B. C. Shwetha (검색결과 3 건)
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Studies on Floral Pasturage of Little Bee, Apis florea in Bangalore Region
Shwetha B. V.,K. Rubina,G. C. Kuberappa,M. S. Reddy 한국양봉학회 2012 韓國養蜂學會誌 Vol.27 No.1
The knowledge of the bee flora of an area is a basic tool for the development of apiculture and the determination of the botanical and geographical origin of bee products. The study was made to record the floral pasturage of little bee, A. florea in Bangalore region using Palynological studies (examination of trapped pollen), melissopalynological analysis (examination of pollen in honey) and visual observation. Experimental results showed that 147 plant species were recorded as nectar and / or pollen sources for A. florea in GKVK, Bangalore. Palynological investigations made on 96 pollen loads of A. florea collected from August, 2010 to July, 2011 from 5 different locations in GKVK, Bangalore indicated that florea was found to collect pollen from 32 plant species, of this 18 plant species were major pollen yielders, 10 plant species were minor pollen yielders. Pollen analysis from honey samples of A. florea revealed that during summer (June-Sept) T. indica, Callistephus chinensis, Cuphea micrantha and C. nucifera, were the predominant pollen types. During winter season (Oct-Jan) Psidium guajava, Brazil plant, Eucalyptus sp. and Foeniculum vulgare were the predominant pollen types. Mangifera indica, Pongamia pinnata and Peltophorum ferrugineum were the predominant pollen type during monsoon season (Feb - May) and served as the nectar sources.
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Shwetha, B. V.,K. Rubina,G. C. Kuberappa,M. S. Reddy 한국양봉학회 2012 韓國養蜂學會誌 Vol.27 No.1
The experiment was carried out at University of Agricultural Sciences, GKVK, Bangalore during 2010~11. Cucumber flowers were visited by 28 species of insect pollinators, of which twenty species belong to order Hymenoptera, 2 species to Diptera, 4 species to Lepidoptera and 4 species to Coleoptera. Honey bee species constituted 84.88percent of the total insect pollinators compared to 15.11percent of other pollinators. The peak foraging activity of insect pollinators were recorded between 1,100 to 1,300 h of the day. The maximum time spent by different honey bee species for pollen foraging was recorded at 0900h on male flowers, whereas nectar foraging on both male and female flowers was recorded at 1200h of the day. The effect of modes of pollination on quantitative parameters such as fruit set, fruit weight, fruit volume, fruit length, number of sound seeds, test weight and fruit pressure were maximum in open pollination (94.60%, 1619.09g, 1621.88ml, 33.46 ㎝, 451.31, 5.29g and 31.05㎏) compared to honey bee pollination. Among honey bee pollination, fruit set, fruit weight, fruit volume, fruit length, number of sound seeds, test weight and fruit pressure were maximum in A. cerana (88.26%, 1510.68g, 1516.61ml, 28.35㎝, 425.10, 4.11g and 27.34㎏) compared to A. florea (85.42%, 853.10g, 867.78ml, 30.66㎝, 395.83, 3.41g, and 24.68㎏) and T. iridipennis pollination plot (84.33%, 784.59g, 791.78ml, 20.56㎝, 324.94, 2.84g and 22.71㎏).
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Partition energy of some lexicographic product of two graphs
M. A. Sriraj,B. C. Shwetha,C. R. Veena,S. V. Roopa 장전수학회 2022 Proceedings of the Jangjeon mathematical society Vol.25 No.4
In this paper, we consider some lexicographic product of two graphs G and H of the form Gm(Hn) and determine its m-partition energy. Also,we determine the partition energy with respect to their m-complement and m(i)-complement.
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