臺灣博碩士論文加值系統

本研究藉探討孤挺花(Hippeastrum hybridum Hort.)之種球不同切割繁殖法之改進，期增進子球數量及生長速度並尋求簡便操作之技術，以達成種球生產最佳之經濟利益。切割方法分別為刻溝、刻溝雙鱗片、刻溝穿透法及頂切四種方法。試驗結果顯示以刻溝雙鱗片繁殖法形成子球數最多，刻溝和刻溝穿透法次之且無顯著差異，頂切法形成數最少。品種間之比較，以‘Lady Jane’和‘Apple Blossom’形成率最高，‘Red Lion’次之，‘Double Record’最低。
本研究開發之刻溝雙鱗片繁殖法，為刻溝繁殖法之改良方式，先以米字形將種球從底部切割成八等份，切割深度約為種球三分之二，再將每等份鱗片以雙鱗片方式切割但與種球不分開，靜置二天後放置於保濕的蛭石中培育四個月。不同季節之子球繁殖率比較，以一月及七月子球繁殖率最高且無顯著差異，十月次之，四月最低。種球周徑愈大，繁殖倍率愈高，周徑20公分之種球，即可達生產子球之標準。種球最適宜切割份數為8等份。與雙麟片繁殖法相比較下，刻溝雙鱗片繁殖法其小球初期生長較快速，所繁殖之子球較大，將可縮短子球生長至開花球的期間。另外改良鱗片培育方式，培育初期採用無介質於層架上繁殖，待一個月長出子球後再移至蛭石介質中栽培，此法可避免鱗片腐爛因而提高子球形成率並可加速子球之生長速度，在操作管理上更為節省空間。
刻溝雙鱗片繁殖法具有節省空間、繁殖子球數量多及子球初期生長快速之優點，可應用於簡易、大量及快速的孤挺花種球繁殖上，實為孤挺花短期快速增殖之有效方法，希望能將此技術大量應用於種球生產，以供產業界推廣之參考。

Summary
This study was for the purpose of investigating various cutting methods and their improvements in Hippeastrum, and thereby to increase the propagation rate and growth speed of the bulblets, thereafter by means of developing a simple manipulation technology to achieve the best economic benefit in bulblet production. The cutting methods underwent investigation including notching, notching twin-scaling, notching coring and top-notching. The results showed that notching twin-scaling was the highest in number of bulblet formation, then notching and notching coring came next and both had no significant difference, and top-notching was the lowest. In comparison among cultivars ,‘Lady Jane’and‘Apple Blossom’was the highest in rate of bulblet formation, then‘Red Lion’came next, and‘Double Record’was the lowest.
The notching twin-scaling developed in this study is the improved method of notching technique. The bulbs were first cut into eight parts from the base evenly. The cutting depth was approximately 2/3 of the bulbs length but each equal part was not separated from the mother bulb. After two days curing, bulbs were placed into the moisturized vermiculite for 4 month incubation. In comparisons for the bulblet reproduction percentage in different seasons showed January and July were the highest and had no significant difference, October came next, and April was the lowest. The bigger the bulb circumference size was the higher the bulblet reproduction percentage obtained. The bulb with a circumference size above 20 centimeters can be the standard size for reproduction. The most suitable bulb cutting number is 8 equal parts. Compare with the twin-scaling, the notching twin-scaling technique had faster initial growth of bulblets and the bulblets were larger. Moreover it could shorten the growth in period from bulblet to flowering bulb. The result from the improvement on incubation method showed that initial period bulbs could put on non-medium incubation shelf, then place into moisturized vermiculite after one month later when bulblets reproduced. This method can avoid the scales rottenness , thus raising the bulblet formation rate and growth speed. Furthermore can save the manipulation management space.
In conclusion, the notching twin-scaling propagation technique effectively save nursery space, obtain higher bulblet formation percentage and shorten the initial growth period of the bulblets, therefore it can be applied to a simple massive and fast bulblets production program, and can also performed as a reference for commercial propagation of Hippeastrum bulbs.

Key words：Hippeastrum ,notching , notching coring ,notching twin-scaling , top-notching ,bulblet numbers ,bulblet growth

目 錄(contents) 頁次
中文摘要(Summary) ----------------------------------------1
英文摘要(Summary) ----------------------------------------2
壹、前言(Introduction) -----------------------------------4
貳、前人研究(Literature review ) -------------------------6
一、 植物學分類及性狀 ----------------------------------6
二、 育種歷史及目標 ------------------------------------7
三、 鱗莖之形態 -------------------------------------8
四、生長發育和開花----------------------------------------10
五、種球繁殖之方法----------------------------------------11
(一)、種子實生法 ---------------------------------------11
(二)、自然分球法 ---------------------------------------12
(三)、鱗片繁殖法 ----------------------------------------13
1.基底刻溝法 ---------------------------------------13
2.瓣狀鱗片法----------------------------------------14
3.雙鱗片繁殖法 -------------------------------------14
(四)、微體繁殖法----------------------------------------15
六、影響子球數量及生長速度之因子--------------------------15
(一)、生理因子 ---------------------------15
1.品種特性 -------------------------15
2.繁殖體之大小 ----------------------16
3.鱗片位置及其成熟度 -----------------17
(二)、環境因子 --------------------------18
1.繁殖時期 ------------------------18
2.溫度 ----------------------------19
3.介質濕度 ------------------------19
4.光線 ---------------------------20
5.消毒處理 ------------------------20
七、 孤挺花育種及產業發展概況 ----------------------21
(一)、全球 -----------------------------21
(二)、台灣 ----------------------------22
参、材料與方法(Materials and methods) -----------------23
一、 植物材料 -------------------------------------23
二、 其它材料--------------------------------------24
三、 試驗環境--------------------------------------24
四、 試驗設計與統計分析-----------------------------24
五、 試驗調查項目----------------------------------25
六、 試驗方法 -------------------------------------25
(一)、不同切割繁殖法之比較 -------------------------25
(二)、刻溝雙鱗片繁殖法之試驗 -----------------------26
1.品種間之比較 ------------------------------26
2.種球大小之比較 ----------------------------27
3.不同切割時期之比較--------------------------27
4.靜置不同天數之比較 -------------------------27
5.鱗片切割不同份數之比較 -------------------------------28
(三)、刻溝雙鱗片產業大量生產之應用 ------------------29
1.種球不同大小之比較 --------------------------29
2.刻溝、瓣狀及刻溝雙鱗片不同繁殖法之比較--------29
肆、結果(Results) -----------------------------------30
一、不同切割繁殖法之比較 ------------------------------30
二、刻溝雙鱗片繁殖法之比較 ----------------------------31
(一) 種球不同大小之比較 ------------------------------31
(二) 不同切割時期之比較--------------------------32
(三) 靜置不同天數之比較--------------------------33
(四) 鱗片切割不同份數之比較 ---------------------------33
三、刻溝雙鱗片產業應用之結果 ---------------------34
伍、討論(Discussion) -------------------------------36
一、刻溝雙鱗片繁殖法之探討------------------------36
二、種球大小、品種差異對子球數量及生長速度之影響-----37
三、切割時期、栽培環境對子球數量及生長速度之影響-----39
陸、結論(Conclusion)--------------------------------41
柒、參考文獻(Reference) ----------------------------67
捌、附錄(Appendix) --------------------------------72

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