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題 名 | Five Glomus Species Affect Water Relations of Citrus Tangerine During Drought Stress=5種球囊黴真菌影響了乾旱脅迫下紅橘的水分代謝 |
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作 者 | 吳強盛; 鄒英寧; 夏仁學; 王明元; | 書刊名 | Botanical Studies |
卷 期 | 48:2 2007.04[民96.04] |
頁 次 | 頁147-154 |
分類號 | 379.1 |
關鍵詞 | 叢枝菌根真菌; 柑橘; 乾旱; 水分代謝; Arbuscular mycorrhizal fungi; Citrus; Drought; Glomus; Water relations; |
語 文 | 英文(English) |
中文摘要 | 以5個球囊黴屬真菌(Glomus mosseae, G. geosporum, G. versiforme, G. etunioatum和G. diaphanum)爲供試菌種,接種于正常水分和乾旱倏件下的紅橘寶生苗上,從植株生長、碳水化合物、光合特性和抗氧化酶等方面比较各侗菌懂改善紅橘水分代翻的能力。結果表明,紅橘封以上5種菌種的依賴性大小顺序是:G. mosseae≈G. geosporum > G. versiforme > G. etunicatum > G. diaphanum。5種菌種的接種封紅橘的生畏、碳水化合物、光合特性和抗氧化酶均颖示出有利的影瞥。在正常水分和乾旱倏件下,接種G. geosorum對紅橘株高、葉片数、莖粗、葉片相對含水量、可溶性糖、澱粉和糖的非結構性碳水化合物顯示出最好的效果,接種G. etunicatum表现最小的效果。接種G. mosseae的戲橘葉顯示最高的可溶性蛋白含量和過氧化氢酶活性,接種G. diaphanum的紅橘葉片有最高的超氧化物歧化酶活性,接種G. versiforme的紅橘葉片觀察到最高的愈創木酚遇氧化物酶活性。此外,5個球囊黴屬真菌顯著降低菌根化植株的葉片温度。不同的菌種顯示出不同的效果去改善紅橘的水分代謝,其中G. mosseae和G. geosporum是较高效的,G. etunicatum是較低效的。叢枝菌根共生艘改善紅橘水分代謝可能部分歸結於抗氧化酶活性的升高。 |
英文摘要 | The efficacy of five Glomus species, Glomus mosseae, G. geosporum, G. versiforme, G. etunicatum and G. diaphanum was studied for the ability to improve water relations of Citrus tangerine fort. ex Tanaka under well-watered and drought stress conditions in terms of growth, carbohydrate, photosynthetic characteristic and antioxidant enzymes activities. The ranking of five Glomus species for mycorrhizal dependency of C. tangerine was as follows: G. niosseae ≈ G. geosporum > G. versfforme > G. etunicatum > G. diaphanum. In general, the arbuscular mycorrhizal fungi used in this study showed benefical effects in these parameters. The colonization by G. geosporum showed the highest plant height, leaf number per plant, stem diameter, relative water content, soluble sugar, starch and total non-structural carbohydrates under well-watered and drought stress conditions and G. etunicatum colonization the least effects. G. mosseae seedlings showed the highest soluble protein concentration and catalase activity in leaves, G. diaphanum seedlings showed the highest superoxide distumase activity, and G. versfforme seedlings showed the highest guaiacol peroxidase activity. Both G. mosseae and G. geosporum colonization showed greater transpiration rates and stomatal conductance. In addition, five Glomus species significantly decreased leaf temperature of myconhizal seedlings. The different arbuscular mycorrhizal fungal species differed in their ability to improve water relations of C. tangerine. Both G. rnosseae and G. geosporum were more efficient fungi in improving water relations of C. tangerine, and G. etunacatum was less efficient fungi. Arbuscular mycorrhizal symbiosis improved water relations of C. tangerine in part due to increases of antioxidant enzymes. |
本系統中英文摘要資訊取自各篇刊載內容。