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Articles by Banu Yucel
Total Records ( 4 ) for Banu Yucel
  Gozde Mert and Banu Yucel
  This study was carried out to determine the effects of using formic and oxalic acids against Varroa jacobsoni Q. which is the most hazardous parasite of honey bees (Apis mellifera L.) alternately in different seasons on the efficiency in Varroa treatment and colony development of honey bees. About 35 honey bee colonies in same of queen ages (1 year old) from Buckfast race were used in the research. Colonies were equalized for natural varroa levels and adult-brood bee population, prior to the research. Colonies were selected randomly as 2 treatment groups with 14 colonies and one control group with 7 colonies in the autumn and then the treatment goups were divided into 2 for using organic acids alternately so, 5 research groups (O/F, O/O, F/F, F/O and control) were used for the following spring. Varroa levels, treatment effectiveness, adult bee and brood population growth of groups were determined in autumn and spring, before and after the research. In autumn and spring experiments, Varroa infestation levels of the treatment groups were significantly reduced after the oxalic and formic acid applications (p<0.05). After, the experiment in autumn, number of adult bee frames in the group treated with formic acid were found significantly lower than before the treatment (p<0.05). In this season, brood surface level in the group treated with oxalic acid were increased significantly (p<0.05) at the end of the spring experiment. The highest efficiency of organic acid (94.10%) were observed in the 1st group (O/F) but it was not found different from other groups (p>0.05).
  Banu Yucel , Zumrut Acikgoz , Hakan Bayraktar and Cigdem Seremet
  This study examined the anabolic and androgenic effects of apilarnil, a bee product on broilers. The study included 40 Ross-308 genotype broilers aged 21 days. The broilers were separated equally into two groups; an experimental group that was administered apilarnil and a control group. Between the 22 and 42 days, apilarnil was administered to the apilarnil group (4 g/broiler/day) and the same amount of water was given to broilers in the control group orally. In the apilarnil group, it was determined that body weight gain and feed intake showed significant decreases between the 29 and 35 days and body weight gain appeared a significant increase between the 36 and 42 days. From 22-28 and 36-42 days, feed conversion of the apilarnil-administered male broilers was found to be better than in the control group. However, apilarnil administration during the growth period had no affect on the male broilers’ body weight on 42nd day. Apilarnil administration stimulated length of comb and length and width of wattle in male broilers. The results indicate that apilarnil has an androgenic effect rather than an anabolic effect.
  Banu Yucel and Ibrahim Duman
  The effects of honeybee pollination on seed production and quality in onion cultivar valencia were studied in this research. Treatments were applied, plots caged with bees; open plots and other pollinators and plots caged without bees. Twenty colonies were equalized in population strength and maintained by throughout flowering period of the crop. Average seed yield, total seed yield, 1000 seed weight, germination rate, emergence rate, stressful condition emergence rate, mean days to germination, mean days to emergence, stressful condition mean days to emergence were determined in this experiment. Observations on foraging behavior were recorded for the daily initiation, cessation, peak hours of foraging activity, weight of pollen load and number of flowers visited per minute by a bee for determining foraging activity. Results revealed that the seed yield per bulb was higher in open plots (5.74 g/flower) than in caged plots(1.29 g/flower). Total seed yield per plot was 898.95 g/plot in open sided whereas it was 220.65 g/plot in caged groups. Other seed quality characteristics (germination rate, emergence rate, stressful condition emergence rate, stressful condition mean days to emergence) were also considerable higher in open plots than in caged plots. Apis mellifera L. workers foraged on onion plant from 8.15 to 16.30 h with peak foraging between 11.00 and 12.00 h. At 09.00, 12.00 and 15.00 h respectively, workers averaged visited 8.0, 13.0 and 4.0 flowers per minute and collected 8.0, 10.0 and 6.0 mg of pollen. These results approved that utilization of honeybees on onion seed production would effectively increase the seed quality and quantity.
  Banu Yucel and Muhsin Dogaroglu
  The aim of this study was to determine the natural occurance of Nosema apis in honey bee colonies and evaluated of N. apis presence in colonies after medical treatment with fumagillin and thymol in consecutive 3 years period. For this purpose, 208 honey bee colonies randomly selected for detection of N. apis infection from Aegean ecotype of Apis mellifera anatolica, 1 years old queen in April, 2002. The colony development performances and honey yields were evaluated through the years from 2002 to 2004. Infested colonies were classified in 3 groups as tried to be equalized in Nosema infestation level; Fumidil-B, thymol application and control (only sugar syrup feeding). The effects of using period of Fumidil-B, contains fumagillin and thymol on N. apis infected honeybee colonies were researched by determining winter losses, adult bees population, brood and honey production in consecutive years. Also, control group were impacted for same parameters. The adult bee worker population and brood surfaces of treated in both groups (Fumidil-B and thymol) were increased significantly (p<0.05) by years from 2002 to 2004. Honey production of thymol group was exhibited significant (p<0.05) increase by years, consequently. Significant decrease (p<0.05) was recorded in control group for winter mortality, brood production, adult bee worker population and honey yield than the other treatment groups. The study was conducted that, observations of bee hives and regular treatment of infested colonies supported healthy and more productive honey bees. Leaving colonies un-medicated caused severe problems in colony production. Thymol could be suggested to beekeeper as a qualified Nosemiasis prevent agent; cheap, practical and non-toxic in hives for organic honey production. Moreover, with using thymol, residue-free bee products could be handled economically.
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