University of Khartoum

Effect of Some Biofertilizers and Compost on Growth and Flowering of Gerbera (Gerbera jamesonii Bolus)

Effect of Some Biofertilizers and Compost on Growth and Flowering of Gerbera (Gerbera jamesonii Bolus)

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Title: Effect of Some Biofertilizers and Compost on Growth and Flowering of Gerbera (Gerbera jamesonii Bolus)
Author: Osman, Sara Kamal Aldin Ahmed
Abstract: A pot experiment was conducted in the nursery of the Department of Horticulture – Faculty of Agriculture, University of Khartoum, during September 2015 –April 2016. The objective of the research was to study the effect of some biofertilizers and organic fertilizer (compost) on growth and flowering ofGerbera jamesoniiBolus.Thefertilizers applied were nitrogen fixing bacteria (Rhizobium sp.) (Bio.1), phosphorus solubilizing bacteria (Bacillus megatherium var. phosphaticum) (BMP) (Bio.2), potassium solubilizing bacteria (Bacillus circulans) ( Bio.3), combination between Bio.1 , Bio.2 and Bio.3 (Bio.4 ) and Compost at the rate of 8.1g of fertilizer/9kg of soil and the control. A completely randomized design with 3 replications was used for the experiment. The data were subjected to analysis of variance (ANOVA) using IBM SPSS statistical software (version 22). Mean separation was done using Duncan's Multiple Range Test at 5% level of significance.Data were collected on Plant height, number of leaves/plant, leaf length, number of days from planting to first flower bud formation, number of days from flower bud formation to flower opening, number of inflorescences/plant, inflorescence diameter, inflorescence stalk length, and flower life on the plant.The results showed that gerbera responded positively to biofertilizer and compost application and there was a significant (p<0.05) increase in all the measured parameters. Application of Bio.4 (combination between Bio.1, Bio.2 and Bio.3) gave the highest values for all growth parameters and most flowering parameters compared to the control and other treatments. The compost resulted in significantly (p<0.05) higher plant height compared to the control. Bio.1 gave higher inflorescence stalk length compared to the control. Bio.2 gave higher number of leaves/plant compared to the control. Bio.3 gave less number of days from flower bud formation to flower opening compared to the control. The study recommends the use of Bio4 (combination between Bio.1 , Bio.2 and Bio.3) as it resulted in highest values of all growth andflowering parameters compared to the control and other treatments.
URI: http://khartoumspace.uofk.edu/123456789/25950


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