Research Publications

Academic theses and dissertations are regularly published and widely disseminated in YUOE Journal, Monographs, Universities Research Journal (URJ), Myanmar Academy of Arts and Science (MAAS) Journal, AsTEN Research Journal and International online Journals for sharing knowledge and contributing to the development of our education.

Myanmar Academy of Art & Science List of Research

No. Researcher Title Abstract Year
2591 Zin Nwe Aye1, Moe Moe Aye2, Yee Yee Win3 ISOLATION AND IDENTIFICATION OF SOIL FUNGI FROM PATHEINGYI TOWNSHIP, MANDALAY REGION This research deals with the isolation and identification of soil fungi from Patheingyi Township in Mandalay Region during July to September, 2018. The soil samples collected from Yay Kyi and Shin Taw Gone Villages. And then, soil samples were undertaken by chemical treatment dilution method. Four fungi were isolated from Yay Kyi and six fungi were isolated from Shin Taw Gone Villages. The morphology of ten isolated fungi the surface view and reverse view are different color. Ten isolated strains were tested by five test organisms for preliminary study of antimicrobial activities. Among them, four fungi showed the antibacterial activity against on Bacillus subtilis and Xanthomonas oryzae, three fungi showed the antibacterial activity against on Escherichia coli and Pseudomonas fluorescens, six fungi showed antifungal activities against on Candida albicans. ZN-01, ZN-02, ZN-04, ZN-05, ZN-06, ZN-07 and ZN-10 showed the antimicrobial activity against on all test organisms. Moreover, ZN-03, ZN-08 and ZN-09 cannot show the antimicrobial activity against on all test organisms. Especially, ZN-10 showed highest antimicrobial activity of clear zone (28.12 mm) against on Pseudomonas fluorescens. Therefore, this strain ZN-10 was selected for further investigation. According to the morphological character, microscopical character and references keys, the fungus ZN-10 is preliminarily identified as Purpureocillium sp. 2025
2592 Eaindra Chan Myae* ISOLATION AND CHARACTERIZATION OF ENDOPHYTIC FUNGI FROM GLOBBA ARRACANENSIS KURZ. Glabba is a genus of plants in the ginger family and contains about 100 species. In this research work, the plant samples (leaves and rhizomes) of Globba arracanensis Kurz. were collected from Nat-Taung-Pyin Hill, Pauktaw Township in Rakhine State in September, 2023. G. arracanensis Kurz. is only found in Rakhine State and it is now known not to be extinct. The morphological and microscopical characters of all fungal strains were carried out at Microbiology Laboratory, Department of Botany, Dagon University. The colony appearances of isolated fungal strains were irregular, circular and rhizoid. The colony margins of isolated strains were entire, filamentous, undulate and lobate. The elevations of isolated strains were raised, flat and pulvinate. The surface and reverse colors of isolated fungal strains were white, whitish pale yellow, whitish orange, light orange, whitish green, whitish yellow. whitish grey. The colony characters and microscopic characters of isolated fungi are very closed to Penicillium, Rhizopus, Rhizoctonia, Cladosporium and Aspergillus species. Strains Eaindra-5, Eaindra-6, Eaindra-9, Eaindra-12 and Eaindra-13 were identified as Penicillium species, strains Eaindra-8 and Eaindra-11 as Aspergillus species, strain Eaindra-3 as Cladosporium species, strain Eaindra-10 as Rhizopus species and strains Eaindra-2 and Eaindra-14 as Rhizoctonia species. These isolated strains possessed good antimicrobial activity on some pathogenic organisms so that this activity will be presented in the next paper. 2025
2593 Wint Yati1, Soe Soe Yu Hnin2 FERMENTATION STUDIES OF RHIZOCTONIA SP. ISOLATED FROM THE LEAVES OF COMBRETUM INDICUM (L.) R. A. DEFILIPPS. An endophytic fungi Rhizoctonia sp. was isolated from the leaves of Combretum indicum (L.) R. A. DeFillips. In the present study, fermentation (one day old) of age of inoculum was the best for fermentation. In the size of inoculum optimization, fermentation (2%) showed the best antimicrobial activity on six test organisms and fermentation (pH 5) of pH utilization was the best for the production of bioactive compounds according to the results of inhibitory zones of their antimicrobial activity against six test organisms. In the study of extraction of metabolites by using different solvents system, the extracts with methanol, ethanol, ethyl acetate and n-hexane showed the high activity on six test organisms: Bacillus pumilus, Bacillus subtilis, Candida albicans, Micrococcus luteus, Pseudomonas sp. and Staphylococcus aureus. Among them, ethyl acetate extract showed the best antimicrobial activity. 2025
2594 Khaing Khaing1, Khin Soe Aye2, Shwe Sin Win3 EFFECT OF DIFFERENT FERTILIZERS ON GERMINATION AND SEEDLING GROWTH OF VICIA FABA L. (FAVA BEAN) IN LABORATORY EXPERIMENT The present study was carried out to determine the effect of different fertilizers on germination and seedling growth of Vicia faba L. (Fava bean) at Department of Botany, Yadanabon University from August 2022 to January 2023. In laboratory experiment, the seeds of fava bean were treated with T1 (Cowdung 4gl-1), T2 (Spirulina 4gl-1), T3 (Nostoc 4gl-1) and Control (0gl-1) using Completely Randomized Design (CRD) with five replications. These results showed that, 4gl-1 of Spirulina treatment was the best germination percentage and maximum mean value of seedling growth of Vicia faba L. Therefore, the present research indicated that Spirulina (4gl-1) suspension fertilizer has in effective role of Vicia faba L. in laboratory experiment. 2025
2595 Yee Yee Nwe1, Ei Pyae Myo Win2, Aye Thet Pan Min3, Hpue Mon Thant4 ANTIMICROBIAL ACTIVITY OF ENDOPHYTES STRAIN ISOLATED FROM DIFFERENT PARTS OF NYPA FRUTICANS (WURMB) THUNB. In this study, the samples of Nypa fruticans (wurmb)Thunb. were collected from Toung-Goke Township in Rakhine State. Eleven entophytic fungi were isolated from different parts (leaves, fruit and inflorescences) of Nypa fruticans (wurmb) Thunb. on five different media. The morphological and microscopically characters of isolated strains were carried out at the Microbiology Laboratory, Department of Botany, Dagon University. The colony appearances of isolated fungal strains were circular, irregular and filamentous. The margins of isolated fungal strains were curled, filamentous, and entire. The elevation of isolated fungal strains was raised, flat and convex. The reverse colors of isolated fungal strains were milky white, pale yellow, white, pale orange, pale green, pale brown and orange. The cultural characters of isolated fungal strains were white, deep black, pale orange, pale green, whitish green, greenish white, creaming white. Eleven isolated fungal strains were identified into possible Aspergillus, Fusarium, Cladosporium, Rhizoctonia, Penicillium and Mucor species. Strains NF-1 and 6 were identified as Aspegillus specie. Strains NF-2,4 and 9 were identified as Fusarium species. Strains NF-3 may be as Mucor species. Strains NF-7 may be Cladosporium species. Strains NF-5 may be Rhizoctonia specie. Strains NF-8 was as Penicillium sp. The antimicrobial activity was tested against eight test organisms by using paper disc diffusion method and fermentation was carried out for 7 to 10 days. The fermented broths of all isolated strains NF-5 and 8 showed good antimicrobial activity on the nine day. Secondary metabolites of eleven active strains were extracted with ethyl acetate and butanol. Their antimicrobial activity was also examined on eight test organisms. The crude extracts of two strains (NF-5 and 8) were showed excellent antimicrobial activity on seven test organisms. 2025
2596 Kyu Kyu1 GROWTH AND YIELD OF CHILLI AS AFFECTED BY ORGANIC AND INORGANIC LIQUID FERTILIZER APPLICATION IN HOT SEASON OF TAUNGOO TOWNSHIP The planting pot experiments of chilli were carried out behind Mahogany hostel in Taungoo University Campus, Bago Region from March to July, 2022. The chilli seeds were sown in soil tray for transplanting in field. The transplanted plants were used with five treatments of organic and inorganic liquid fertilizer which including the untreated control treatment. Capsicum frutescens L. which belongs to family Solanaceae is referred to as chilli. These chilli plants had significant results for growth parameters, yield and yield components of chilli due to application of organic and inorganic liquid fertilizers compared to control. Among the five different treatments, the combination of organic and inorganic liquid fertilizers (T4) treatment resulted in maximum plant height, number of branches per plant, leaf number, fresh and dry weight of the plant, number of fruits per plant and total yield. The combined organic and inorganic liquid fertilizers (T4) treatment was the highest agronomic characters and set up more fruits of chilli plants in hottest season of Myanmar. 2025
2597 Myo Win1 EFFECT OF CHROMOLAENA ODORATA AS ORGANIC FERTILIZER ON GLYCINE MAX (L.) MERRILL. Chromolaena odorata (L.) R. M. King & H. Robiston; which was belong to the family Asteraceae and locally known as Bezat or Jamani-chon in Myanmar. The plant was collected in Mohnyin University Campus, Kachin State from June 2022 to September 2022. The collected specimen have been taken photographs and dried at room temperature for one month. The dried samples were ground in grinder to get fine powder. Experiments using a randomized complete block design (RCBD) with five replications were carried out. This study investigated the effect of various Chromolaena suspension on the growth and development of soybean during 2022 to 2023. The seed of soybean cultivar Y15 were tested with Chromolaena suspension and experimentally studied in laboratory and pot culture. Among the five different kinds of Chromolaena suspension treatment, the Chromolaena suspension 4 gL-1 and 6 gL-1 were best for growth and development of Soybean Y15 cultivar. In pot culture Chromolaena suspension 4 gL-1 and 6 gL-1 were much more effective in enhancement of plant height and leaf area than other treatment and control. The result showed that Chromolaena suspension actually promotes the growth and development of soybean Y15 variety. 2025
2598 Thwe Thwe Oo1, Cho Cho2, Tin Myo Hlaing3, Cho Zin Swe4 ISOLATION OF ENDOPHYTIC FUNGI FROM VITEX TRIFOLIA L. AND CHARACTERIZATION OF BIOACTIVE COMPOUNDS Endophytic fungi (6 strains) were isolated from the leaf segments of Vitex trifolia L. collected from Kamayut Township in Yangon region. All the characters of vegetative and reproductive parts of the selected plants were checked with the help of available literatures. The leaves of Vitex trifolia L. were surface sterilized and the isolation of endophytic fungi was done on the sucrose yeast extract medium at 30°C for 3-7 days. All 6 different strains were sub-cultured into separate SY agar slants. The antimicrobial activity of 6 isolated endophytic fungi were investigated against 6 kinds of test organisms by paper disc diffusion method. Six types of endophytic fungi were observed to possess very high antibacterial activity. The selected strains T2, T3, T5 and T6 was extracted and isolation of bioactive compound from each selected broth culture by using TLC, UV and IR. 2025
2599 Phyo Phyo Soe San1, Shoon Lae Yee Htwe2, Nway Nway3 ISOLATION OF ENDOPHYTIC FUNGI FROM THE LEAVES OF MUNTINGIA CALABURA L. AND THEIR ANTIBACTERIAL ACTIVITIES In this study, the endophytic fungi were isolated from the leaves of Muntingia calabura L. in family Muntingiaceae. The plant sources were collected at Yadanabon University Campus, Amarapura Township of Mandalay Region. A total of 7 endophytic fungi were isolated by using surface sterilization method. Morphological characters of endophytic fungi were investigated and were coded MCF-01 to MCF-07. In the study of antibacterial activity of endophytic fungi, six fungi showed the act against test organisms. Among them, the fungus MCF-01 showed the highest activity against on Salmonella typhi. This fungus MCF-01 was isolated from the leaves of M. calabura L.. In the fermentation studies, maximum antibacterial activity of fungus MCF-01 on Salmonella typhi reached at 6 days fermentation with 84 hrs ages (22.25 mm clear zone) and 20% sizes of inoculum (23.49 mm clear zone). Furthermore, distinct characters of selected endophytic fungus MCF-01 was observed with the help of microscope. Endophytic fungus MCF-01 can fight back against typhoid fever disease by S. typhi. in humans. Therefore, fungus MCF-01 was selected for the further investigation such as paper chromatography and extraction of antibacterial metabolite. 2025
2600 Seng Nan1, Nu Nu Yee2, Hnin Hnin Yu3 TAXONOMIC STUDY ON FIFTEEN SPECIES FROM MANSI TOWNSHIP BANMAW DISTRICT, KACHIN STATE The floristic study on Angiospermae from Mansi Township, Banmaw District, Kachin State have been undertaken. It lies between 24? 15? - 23? 45? N Latitude and 97? 45? - 96? 45? E Longitude. The total area is 2932 square kilometers. The plant specimens were collected and identified from October 2020 to February 2022. Among them, 15 species belong to 14 genera of 8 Families were presented. In this study, 7 species of 4 Families were under group of monocots, 6 species belonging 3 Families were under rosids and the other 2 species belonging 1 Family were under asterids. In these species, 4 species were trees, 5 species were herbs and 3 species were shrubs and other species were climber and epiphytic. The leaf types of 2 species were compound and 13 species were simple. Smilax perfoliata Lour., Begonia lipingensis Irmsch. and Begonia palmata D. Don. possessed unisexual flower and the others were bisexual flower. An artificial key to the studied species was also constructed. The economically valuable timber species are Grewia laevigata Vahl., Kydia calycina Roxb. The most valuable medicinal species are Curcuma petiolata Roxb., Kaempferia galanga L. These valuable species are needed to be conserved as the long-term programme for natural vegetation of Mansi Township, Banmaw District, Kachin State. 2025