查詢結果分析
相關文獻
- 鈷六十輻射除滅花粉中微生物之研究
- 花粉之輻射滅菌
- 臺灣泡桐花粉發芽與試管內授粉
- 花粉粒在作物真菌性病害所扮演的角色
- 枸杞鈷六十輻射滅菌
- Exine Development in Borago (Boraginaceae) 2.Free Microspore Stages
- Notes on the Flora of Taiwan (34)--Trigonella hamosa Forssk. (Leguminosae)
- A Palynological Study of the Genus Crotalaria L. (Leguminosae) in Taiwan
- A Stress-inducible Protein Associated with Desiccation in Lily Pollen
- Changes of Endogenous Indole-3-Acetic Acid, Peroxidases, and Auxin Oxidases During Pollen Germination in Maize
頁籤選單縮合
題 名 | 鈷六十輻射除滅花粉中微生物之研究=The Sterilization of Pollen with Cobalt-60 Gamma Radiation-A Study of the Radiation Resistance of Microbial Strains Isolated from Pollen |
---|---|
作 者 | 周鳳英; | 書刊名 | 植物病理學會刊 |
卷 期 | 8:1 1999.03[民88.03] |
頁 次 | 頁23-28 |
分類號 | 463.7 |
關鍵詞 | 花粉; 輻射滅菌; 輻射抗性; Pollen; Radiation sterilization; Radiation resistance; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討花粉加馬線滅菌所需之輻射劑量及花粉中主要微生物菌株之輻射抗性 。所取之花粉樣品為新竹區蜂農採集、烘乾處理過之花粉,鈷六十加馬線照射於清華大學原 科中心同位素組鈷六十熱室中進行。結果顯示花粉樣品中微生物含量為10�纂�10�崟FU/g, 主要為好氣性細菌、真菌及酵母菌。花粉中主要分離真菌菌株經鑑定為Pithomyces sp. , 細菌菌株鑑定為Bacillus cereus,加馬輻射對培養於Sacc's 培養基上之Pithomyces sp. 菌株分生孢子之百分之九十致死劑量(LD90)為4.2kGy,對培養於tryptic soy broth 培養 基之 B. cereus 的營養態及孢子態菌體之LD90分別為0.9kGy及6.2kGy。上述所測花粉中之 主要菌株皆非特殊高抗輻射菌株,以10kGy之加馬輻射劑量照射對所採花粉樣品可達完全滅 菌效果。 |
英文摘要 | This study examined the lowest dose of irradiation needed for sterilization of honeybee-collected pollen and the radiation resistance of the microbial strains isolated from pollen. Pollen samples were harvested and dried by artificial heating by beekeepers in Hsinchu. Samples were irradiated in a cobalt-60 hot cell of the Isotope Division, Nuclear Science Technology Development Center, National Tsing Hua University. Experimental results indicated that microbial populations in the commercial pollen ranged from 10�礫o 10�崟FU/g. Among the microbiological parameters, a high aerobic counts, fungi, and yeasts were found. The predominant strains isolated from pollen were Pithomyces sp. and Bacillus cereus. The 90% lethal dose (LD90) of gamma radiation in conidia of Pithomyces sp. was 4.2kGy. The LD90 of the vegetative cells and endospores of B. cereus were 0.9kGy and 6.2 kGy respectively. The microbial strains isolated from pollen were not the high radiation resistant ones. 10kGy of gamma irradiation was necessary for sterilizing the microbes in the commercial production pollen. |
本系統中英文摘要資訊取自各篇刊載內容。