頁籤選單縮合
題 名 | 臺灣金線連之組織培養--種子成熟度及前處理對萌芽與幼苗發育之影響=Tissue Culture of Anoectochilus Formosanus Hayata-- The Influence of Seed Maturity and Pretreatment on Seed Germination and Seedling Development |
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作 者 | 蕭翌柱; 陳威臣; 蔡新聲; | 書刊名 | 中華農學會報 |
卷 期 | 183 1998.09[民87.09] |
頁 次 | 頁69-78 |
分類號 | 434.92 |
關鍵詞 | 臺灣金線連; 組織培養; 種子萌芽率; Anoectochilus formosanus hayata; Tissue culture; Seed germination; |
語 文 | 中文(Chinese) |
中文摘要 | 臺灣金線連輕人工授粉所得不同成熟度果莢之種子,播種於含1/2MS基本鹽類、3% 蔗糖及0.9% agar之固體培養基,經培養60天後調查發現,87.5%果莢成熟度之種子萌芽率 最高可達51%,100%成熟度者次之為37%,低於75%成熟度者均不具發芽能力;87.5%成 熟度果莢之種子,播種前以不經3% H□O□溶液預處理較佳;野生台灣金線連自然授粉之 成熟果莢,以5±1℃冷藏,可至少保存21天而不影響種子萌芽率;相同冷藏條件處理種子, 則至少可保存15天;若將種子置於25℃室溫下,則壽命僅能維持2天,顯示冷藏處理可有 效延長台灣金線連種子壽命;比較臺灣金線連人工授粉與自然授粉種子之萌芽率發現,自然 授粉產生之種子之萌芽率86%比人工授粉之51%明顯較高,顯示人工授粉技術尚有待改進。 |
英文摘要 | Capsules of Anoectochilus formosanus Hayata at various stage of maturity were collected and a germination test was proceeded on a medium containing 1/2 MS basic salts with 3% sucrose and 0.9% agar. The results showed that the capsules in 87.5% maturity had the highest germination rate (51%), and the full mature capsules had 37% germination rate, however seeds maturity that below 75% did not germinate. Pretreatment the seeds (87.5% in maturity) with 3% H2O2 was not necessary since it might be detrimental to embryos and rhizome growth. Cold storage of seeds or capsules at 5±1℃ and 100% humidity was useful to prolong seed vitality to 15-21 days. Storage seeds at room temperature (25℃) for 2 days was detrimental to the viability of embryos. A lower germination rate of seeds by hand pollination then the seeds from insect pollination was obtained in this study. |
本系統中英文摘要資訊取自各篇刊載內容。