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頁籤選單縮合
題 名 | 種子處理對夜來香種子發芽之影響=Effect of Seed-Treatments on the Germination of Polianthes Tuberosa L. |
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作 者 | 沈榮壽; 黃光亮; | 書刊名 | 科學農業 |
卷 期 | 45:5/6 民86.06 |
頁 次 | 頁172-175 |
分類號 | 435.456 |
關鍵詞 | 夜來香; 種子休眠; 硬實種子; 割傷; 發芽; Polianthes tuberosa; Seed dormancy; Hard seed; Scarification; Germination; |
語 文 | 中文(Chinese) |
中文摘要 | 夜來香種子於播種前以砂紙擦傷、熱水、酒精、硫酸、鹹液及對照組等處理。未 經割傷處理之對照組發芽率僅達 31.6 %, 其餘處理除了 5 % NaOH 處理不利種子發芽外 , 皆顯著促進其總發率及發芽速率。 以砂紙擦傷種皮及熱水處理 15 ∼ 30 分鐘, 具有 95.0 ∼ 98.3 %的最高發芽率; 其次是以 1 % NaOH 處理 15 ∼ 60 分鐘,平均有 91.6 ∼ 94.3 %之發芽率,顯見此等種子處理對打破夜來香種子休眠甚具效果,有利於雜交種子 之實生繁殖。 |
英文摘要 | Seeds of Polianthes tuberosa treated by: (1) mechanical scarification with sandpaper; (2) boiling water soaking; (3) soaking in 95 % C �� H �� OH; (4) soaking in 25 % H �� SO ��; (5) soaking in 1 % or 5 % NaOH; (6) control. All presowing treatments increased the germination percentage and rate over control, but the 5 % NaOH soaking inhibited the germination significantly. Scarification with sandpaper and boiling water soaking for 15-30 minutes had the highest percentage of germination, of which was 95.0-98.3 %. In comparison, an average of 91.6-94.3 % germination was found in 1 % NaOH soaking seeds for 15-60 minutes. These results indicated that seed treatment could result in the good efficiency of breaking tuberose seed dormancy, and showed great potential for practical use. |
本系統中英文摘要資訊取自各篇刊載內容。