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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 張育森(Yu-Sen Chang) | |
dc.contributor.author | Yu-Chia Tsai | en |
dc.contributor.author | 蔡瑜家 | zh_TW |
dc.date.accessioned | 2021-06-16T17:20:03Z | - |
dc.date.available | 2017-08-20 | |
dc.date.copyright | 2012-08-20 | |
dc.date.issued | 2012 | |
dc.date.submitted | 2012-08-16 | |
dc.identifier.citation | 參考文獻(References)
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/63822 | - |
dc.description.abstract | 摘要
洋桔梗為目前臺灣新興重點發展花卉之一,現今重要的課題是藉由良好的栽培管理提升切花品質。水分乃是植物生長中重要的影響因子,本研究的目的欲對洋桔梗遭遇水分逆境的狀況做探討,期能夠選出適合易淹水地區種植的耐淹水洋桔梗品種,並尋求洋桔梗的灌溉指標以提升洋桔梗的切花品質;此外,本研究亦比較洋桔梗在乾旱缺水和淹水所造成的生理性缺水時,植株的表現上有何差異。 以9公分盆栽洋桔梗做10天的淹水處理後曝曬兩天,植株外觀由下位葉開始萎凋,較不耐淹水者上位葉也會出現萎凋的現象。葉片水勢可以即時了解植株水分的情況,若搭配相對水勢值 (上位葉的水勢/下位葉的水勢)更能看出在淹水期間植株水分狀況的變化。且在試驗中發現,洋桔梗似乎忍受淹水的能力很強,可能為造成結果不顯著的原因。綜合評估後,八個品種以‘Arena Ⅲ Champagne’、 ‘Exrosa Lisa’及‘Rosina Ⅲ Pink’較耐淹水,植株形態在淹水十天後變化不大;‘Bridal Snow’、‘Exrosa Green’和‘Jadegirl Blue Violet’對淹水有輕微反應;而‘Exrosa Blue Flash’和‘Pavane Green’在淹水十天時皆有植株死亡,為較不耐淹水之品種。 將洋桔梗品種‘Rosina Purple’ 栽培於三種介質中並進行斷水處理,結果發現栽培於田土中的洋桔梗比栽培於1-P和mix (1-P : 田土 = 1 : 1) 者有更好的生長狀況,推論可能是因為田土的保水力較其他兩種介質佳所致。在斷水11天後復水,於第15天量測發現三種介質的土壤含水量、葉綠素螢光值和葉片水勢皆有回復;但其葉綠素計讀值、NPQ和乾重卻下降。觀察斷水第11天時的植株水分狀況,得知洋桔梗植株的暫時萎凋點範圍在葉片水勢值-2.1 MPa ~ -2.8 MPa。下位葉片出現萎凋的情形會比上位葉來的早,表示下位葉對水分敏感為適合做為評估觀測點,由本試驗結果得知洋桔梗的建議灌溉指標為下位葉片水勢值-1.6 MPa ~ -2.1 MPa之間。 以‘Pavane Green’和‘Exrosa Lisa’兩個品種均同時進行乾旱和淹水的試驗,結果顯示對照組第0天時兩個品種皆是上位葉水勢較負,表示水分在正常情況下是由下往上運送 (蒸散)。乾旱的情況下,下位葉水勢會較上位葉水勢負,也符合日常觀察到缺水大多從下位葉先開始下垂的現象。在淹水4天時兩個品種水勢看不太出變化,但淹水7天後有下位葉水勢較負的情況產生,與乾旱的情況相似,表示其出現生理缺水 (根系受損)。相對水勢值若大於1表示植株正常生長,小於1表示可能處於水分逆境下無法進行正常的蒸散作用。在此兩種品種間,‘Exrosa Lisa’乾旱7天後相對水勢值大於 1,而‘Pavane Green’小於1並趨近於0,表示‘Exrosa Lisa’較‘Pavane Green’耐旱;而兩品種在淹水七天時相對水勢值皆小於1,表示兩者皆感受到淹水逆境。 | zh_TW |
dc.description.abstract | Abstract
Eustoma grandiflorum (Raf.) Shinns is one of the major flowers in Taiwan. Nowadays, the important issue is to enhance the quality of cut flowers by cultivation. Water is the important factor which affects plant growth. In this study we investigated the water status of Eustoma under water stress, and selected some flooding-tolerant cultivars and developed an irrigation index of Eustoma. In addition, compared the difference performance between Eustoma under drought and that under flooding. Eustoma plants grown in 9 cm pot were treated with 10-day flooding followed by 2-day recovery. The results showed that the leaves of plant began to wilt from lower leaves, which also happened at upper leaves if the plant is a flooding-intolerant cultivar. Leaf water potential could instantly respond to the water status of plant, especially the relative water potential [(upper leaf water potential) / (lower leaf water potential)] may be an useful index to realize the water status of Eustoma under flooding. The results also showed that the damage of Eustoma under flooding was not significant, it probably because that Eustoma is a flooding-tolerant plant. After comprehensive assessment of eight cultivars, ‘Arena Ⅲ Champagne’, ‘Exrosa Lisa’ and ‘Rosina Ⅲ Pink’, which did not have significant variation after 10-day flooding, were flooding-tolerant cultivars; ‘Bridal Snow’, ‘Exrosa Green’ and ‘Jadegirl Blue Violet’ had slightly damage; whereas ‘Exrosa Blue Flash’ and ‘Pavane Green’, which had some of plants died after 10-day flooding, were flooding-intorlerant cultivars. Eustoma ‘Rosina Purple’ grown in three media and stop water supply after fully irrigation. The results showed that the plants grown in clay loam soil grow better than those grown in 1-P or the mix (1-P: clay loam = 1: 1), because clay loam soil have better water-holding capacity which could help Eustoma to maintain adequate moisture. After rewatering of 11-day stopping water supply, the soil water content, Fv/Fm and leaf water potential of Eustoma had all recovered; but leaf chlorophyll meter reading (CMR), NPQ and dry weight of Eustoma had dropped. The water status of Eustoma was measured during stopping water supply period, and found that the temporary wilting range of leaf water potential in Eustoma was about -2.1 ~-2.8 MPa. The phenomenon of wilting firstly appears at lower leaf means that the lower leaf is water-sensitive and it is suitable to evaluate water deficit. Therefore, the irrigation index was recommend that when lower leaf water potential of Eustoma is about -1.6~ -2.1 MPa. When compared the difference performance between Eustoma under drought and that under flooding. The results showed that ‘Pavane Green’ and ‘Exrosa Lisa’ had same phenomenon that the upper leaf water potential were more negative than the lower ones at the control. It indicated that water transport from bottom to top (transpiration) at normal conditions. Under drought condition, the lower leaf water potential is more negative than the upper one, which is also match the phenomenon that the lower leaves usually began to droop first when lacking water. There was no difference in 4 days flooding between two cultivars, but the lower leaf water potential was more negative than the upper one after 7 days flooding. The situation is similar to drought represented flooding could also makes the plant under physiological water deficit (root damage). The relative water potential could represent the plant water status. The value more than 1 expressed normal plant growth, whereas less than 1 may be under water stress during water deficit period. The relative water potential value of ‘Exrosa Lisa’ was more than 1, and ‘Pavane Green’ was less than 1. In conclusion, ‘Exrosa Lisa’ is more tolerant than ‘Pavane Green’ under water deficit. Both cultivars under flooding of their relative water potential was less than 1 after 7 days flooding, it showed that they were all under flooding stress. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T17:20:03Z (GMT). No. of bitstreams: 1 ntu-101-R98628111-1.pdf: 7330238 bytes, checksum: 980fcd08ff867c0c02337945a0f36584 (MD5) Previous issue date: 2012 | en |
dc.description.tableofcontents | 目錄
誌謝 I 表目錄 III 圖目錄 IV 摘要 VII Abstract IX 第一章、前言 1 第二章、前人研究 3 一、洋桔梗的型態與生長習性 3 二、作物水分狀況之評估指標 5 三、水分逆境對植物之影響 7 第三章、洋桔梗淹水後之水勢變化與耐淹水指標評估 14 一、前言 (Introduction) 15 二、材料方法(Materials and Methods) 18 三、結果 (Result) 20 四、討論 (Discussion) 24 第四章、洋桔梗對短暫水分逆境之反應與灌溉指標 48 一、前言(Introduction) 49 二、材料與方法(Materials and Methods) 53 三、結果 (Result) 56 四、討論 (Discussion) 60 第五章、洋桔梗淹水與乾旱對上下位葉水勢之影響 75 一、前言 76 二、材料方法 78 三、結果 80 四、討論 80 參考文獻(References) 86 表目錄 表 3. 1. 淹水10天對洋桔梗 ‘Arena Ⅲ Champange’生長之影響。 28 表 3. 2. 淹水10天對洋桔梗 ‘Bridal Snow’生長之影響。 28 表 3. 3. 淹水10天對洋桔梗 ‘Exrosa Blue Flash’生長之影響。 29 表 3. 4. 淹水10天對洋桔梗 ‘Exrosa Green’生長之影響。 29 表 3. 5. 淹水10天對洋桔梗 ‘Exrosa Lisa’生長之影響。 30 表 3. 6. 淹水10天對洋桔梗 ‘Pavane Green’生長之影響。 30 表 3. 7. 淹水10天對洋桔梗 ‘Jadegirl Blue Violet’生長之影響。 31 表 3. 8. 淹水10天對洋桔梗 ‘Rosina Ⅲ Pink’生長之影響。 31 圖目錄 圖 3. 1. 淹水10天對洋桔梗 ‘Arena Ⅲ Champagne’ (A) 株高、(B) 根乾重及 (C) 葉片葉綠素計讀值之影響。 32 圖 3. 2. 淹水10天對洋桔梗 ‘Bridal Snow’ (A) 株高、(B) 根乾重及 (C) 葉片葉綠素計讀值之影響。 33 圖 3. 3. 淹水10天對洋桔梗 ‘Exrosa Blue Flash’ (A) 株高、(B) 根乾重及(C) 葉片葉綠素計讀值之影響。 34 圖 3. 4. 淹水10天對洋桔梗 ‘Exrosa Green’(A) 株高、(B) 根乾重及(C) 葉片葉綠素計讀值之影響。 35 圖 3. 5. 淹水10天對洋桔梗 ‘Exrosa Lisa’ (A) 株高、(B) 根乾重及(C) 葉片葉綠素計讀值之影響。 36 圖 3. 6. 淹水10天對洋桔梗 ‘Pavane Green’ (A) 株高、(B) 根乾重及 (C) 葉片葉綠素計讀值之影響。 37 圖 3. 7. 淹水10天對洋桔梗 ‘Jadegirl Blue Violet’ (A) 株高、(B) 根乾重及 (C) 葉片葉綠素計讀值之影響。 38 圖 3. 8. 淹水10天對洋桔梗 ‘Rosina Ⅲ Pink’ (A) 株高、(B) 根乾重及 (C) 葉片葉綠素計讀值之影響。 39 圖 3. 9. 外觀表現較耐淹水的三個品種 ‘Arena Ⅲ Champagne’ (A3C)、 ‘Exrosa Lisa’ (EL) 和 ‘Rosina Ⅲ Pink’ (R3P),在淹水2、4、6和10天時相對葉片水勢之比值。 40 圖 3. 10. 外觀表現較不耐淹水的兩個品種 ‘Exrosa Blue Flash’ (EBF) 和 ‘Pavane Green’ (PG),在淹水2、4、6和10天時相對葉片水勢之比值。 41 圖 3. 11. 淹水2、4、6和10天八個品種之第三對葉(下位葉)和第七對葉(上位葉)的水勢變化之影響。 42 圖 3. 12. 淹水2、4、6和10天對洋桔梗八個品種之第三對葉(下位葉)和第七對葉(上位葉)的葉綠素螢光讀值之影響。 43 圖 3. 13. 淹水2、4、6、10天對洋桔梗 ‘Arena Ⅲ Champagne’之外觀表現之影響。 44 圖 3. 14. 淹水2、4、6、10天對洋桔梗 ‘Bridal Snow’之外觀表現之影響。 44 圖 3. 15. 淹水2、4、6、10天對洋桔梗 ‘Exrosa Blue Flash’之外觀表現之影響。 45 圖 3. 16. 淹水2、4、6、10天對洋桔梗 ‘Exrosa Green’之外觀表現之影響。 45 圖 3. 17. 淹水2、4、6、10天對洋桔梗 ‘Exrosa Lisa’之外觀表現之影響。 46 圖 3. 18. 淹水2、4、6、10天對洋桔梗 ‘Pavane Green’之外觀表現之影響。 46 圖 3. 19. 淹水2、4、6、10天對洋桔梗 ‘Jadegirl Blue Violet’之外觀表現之影響。 47 圖 3. 20. 淹水2、4、6、10天對洋桔梗 ‘Rosina Ⅲ Pink’之外觀表現之影響。 47 圖 4. 1. 洋桔梗 ‘Rosina Purple’在三種介質中於 (A) 斷水15天期間及 (B) 試驗第15天時之土壤體積含水量之變化。 63 圖 4. 2. 洋桔梗 ‘Rosina Purple’在三種介質中於 (A) 斷水15天期間及 (B) 試驗第15天時之株高變化。 63 圖 4. 3. 洋桔梗 ‘Rosina Purple’在三種介質中其上位葉(第七對葉)與下位葉(第三對葉)於斷水15天期間和試驗第15天時之葉綠素計讀值的變化。 64 圖 4. 9. 洋桔梗 ‘Rosina Purple’在三種介質中於 (A) 斷水15天期間及 (B) 試驗第15天時之相對水勢值。 70 圖 4. 10. 斷水11天洋桔梗 ‘Rosina Purple’栽植於 1-P、田土及混合介質mix (1-P : 田土 = 1 : 1)之外觀。 71 圖 4. 11. 斷水15天洋桔梗 ‘Rosina Purple’栽植於1-P介質中,斷水15天、復水以及對照組之外觀。 71 圖 4. 12. 斷水15天洋桔梗 ‘Rosina Purple’栽植於田土中,斷水15天、復水以及對照組之外觀。 72 圖 4. 13. 斷水15天洋桔梗 ‘Rosina Purple’栽植於混合介質 (1-P : 田土 = 1 : 1)中,斷水15天、復水以及對照組之外觀。 72 圖 4. 14. 斷水15天洋桔梗 ‘Rosina Purple’栽植於1-P介質中,斷水15天、復水以及對照組根部之外觀。 73 圖 4. 15. 斷水15天洋桔梗 ‘Rosina Purple’栽植於混合介質(1-P : 田土 = 1 : 1) 中,斷水15天、復水以及對照組之根部之外觀。 73 圖 4. 16. 斷水15天洋桔梗 ‘Rosina Purple’栽植於田土中,斷水15天、復水以及對照組根部之外觀。 74 圖 5. 1. 乾旱四天及七天對洋桔梗(A) ‘Pavane Green’和(B) ‘Exrosa Lisa’上位葉和下位葉水勢的影響。 83 圖 5. 2. 淹水四天及七天對洋桔梗(A) ‘Pavane Green’和(B) ‘Exrosa Lisa’上位葉和下位葉水勢的影響。 84 圖 5. 3. 洋桔梗 ‘Pavane Green’和 ‘Exrosa Lisa’在(A)乾旱和(B)淹水處理四天和七天後之相對水勢值。 85 | |
dc.language.iso | zh-TW | |
dc.title | 洋桔梗耐淹水評估、灌溉指標與水分管理之探討 | zh_TW |
dc.title | Studies of Flooding Tolerance, Irrigation Index and
Water Management in Eustoma grandiflorum | en |
dc.type | Thesis | |
dc.date.schoolyear | 100-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 羅筱鳳,黃光亮,熊同銓 | |
dc.subject.keyword | 洋桔梗,水勢,淹水,灌溉指標,水分管理, | zh_TW |
dc.subject.keyword | Eustoma,water potential,flooding,irrigation index,water management, | en |
dc.relation.page | 90 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2012-08-17 | |
dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
dc.contributor.author-dept | 園藝學研究所 | zh_TW |
顯示於系所單位: | 園藝暨景觀學系 |
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