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題 名 | 紅豆接種叢枝內生菌根菌對乾旱逆境之反應=Response of Phaseolus Angularis Wight Inoculated with Arbuscular Mycorrhizal Fungi Under Drought Stress |
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作 者 | 王均琍; | 書刊名 | 中華農學會報 |
卷 期 | 181 1998.03[民87.03] |
頁 次 | 頁92-101 |
分類號 | 434.12 |
關鍵詞 | 紅豆; 菌根; 乾旱; 反應; 淨光合作用率; Adzuki bean; Mycorrhiza; Drought stress; Response; Net photosynthetic rate; |
語 文 | 中文(Chinese) |
中文摘要 | 紅豆為屏東地區重要經濟作物之一,其生育期問適逢臺灣南部乾旱期,而乾早 為作物生產之限制因子之一。已知菌根頁菌可增加某些植物之耐早力,故本試驗於溫室中 ,予紅豆幼苗接種菌根菌Glomus spp.及不接菌處理,每處理分設正常供水與乾早處理。 結果顯示,在正常供水處理下,菌根植株之植體乾物重(11.9g)及果莢乾物重(3.18g),顯 著高於未接菌組者之植體乾物重(8.39g,F□=10.06,,p<0.05)及果莢乾物重(2.05g,F □=116.54,p<0.0l);在乾早處理下,菌根植株之植體乾物重(4.42g)及果莢乾物重(0. 73g),亦顯著高於未接菌組者之植體乾物重(2.84g,F□=10.06,p<0.05)及果莢乾物重 (0.17g,F□=116.54,p<0.0l)。由植株吸水量、淨光合作用率、葉綠素含量及葉片水分 潛勢等生理參數之測定,推論由於接菌組植株吸水量增加,使葉片水分潛勢恢復能力較快 速,氣孔導度因而增加,且菌根植物具較高之葉綠素含量,以上因素促使菌根植物光合成 能力增加,生長及產量亦受促進。 |
英文摘要 | Adzuki bean (Phascolus angularis Wight.) is an important crop in Pingtung. During it's growing period, water deficiency is frequent in southern Taiwan, and drought stress is one of the limiting factors in crop production. Mycorrhizal fungi has been shown to increase the drought tolerance for some plants. Thus, in the green house experiment, seedlings without and with Glomus spp. inoculation were subjected to drought and watered conditions. The plant dry mass (11.9g) and pod dry mass (3.18g) were significantly higher in well- watered mycorrhizal plants than those plants in plant dry mass (8.39g, F□ =10.06, p<0.05) and pod dry mass (2.05g, F□ =116.54, p <0.0 1) of non-mycorrhizal and well-watered plants, while the plant dry mass (4.42g) and pod dry mass (0.73g) in drought stressed mycorrhizal plants were significantly higher than those plants in plant dry mass (2.84g, F7□= 10.06, p <0.05) and pod dry mass (0. 17g, F□ = 116.54, p <0.01) of non-mycorrhizal plants. According to the measurement of physiological parameters on water absorption, net photosynthetic rate, chlorophyll content and leaf water potential etc., it was suggested that the beneficial effect of mycorrhizal infection on plant growth and yield was interpreted as the higher water absorption, net photosynthetic capacity, higher leaf water potential restored capacity and higher chlorophyll content in mycor.rhizal plants. |
本系統中英文摘要資訊取自各篇刊載內容。