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題名 | 不同種源木賊葉木麻黃在臺灣(四湖)之物候調查=A Study on the Phenology of Casuarina Equisetifolia (Casuarinaceae) Distinct Provenances Grown in Taiwan (Sui-Hu) |
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作者 | 何坤益; 王志斌; 張怡萱; Ho, Kuen-yih; Wang, Chih-pin; Chang, Yi-hsuan; |
期刊 | 中華林學季刊 |
出版日期 | 20031200 |
卷期 | 36:4=133 2003.12[民92.12] |
頁次 | 頁311-319 |
分類號 | 436.11 |
語文 | chi |
關鍵詞 | 木賊葉木麻黃; 種源; 物候; Casuarina equisetifolia; Provenance; Phenology; |
中文摘要 | 本研究是觀察28個國際種源之木賊葉木麻黃在雲林四湖地區之物候變化,自1996年7月起,至1997年11月止,共計調查16個月,32次物候觀測。結果物候變化與雨量關係較為明顯,而與溫度及日輻射較無關係。由於其全年花盛期之雄花、雌花有重疊現象,因此增加授粉與種源間雜交的機會。另外也發現不同種源間之物候期參差不齊,甚至同一地理區域種源之週期變化亦非常分歧,但此一現象於樣區周邊之本地木麻黃卻未發現。推論不同種源之物候變化係其受到海洋,島嶼等地理隔離的影響,導呡致族群間遺傳之變異。 |
英文摘要 | For the phenology of 28 Casuarina quesetifolia of international provenances planted at Suihu area, Yuenlin County, Taiwan. This investigation was conduced twice a month from January 1996 do December 1998. There was significant correlation between phenology with rainfall, but there were non with temperature or irradiance. Because the overlap of female and male peak flowering phases were observed intra- and inter- provenances so that could increase the possibility of outbreeding. There was significant variantion of phenology among 28℃. Equisetifolia international provenance, whereas those were inconsistent for the local Casuarina species. The results showed the effect of the isolation of oceans and islands. The genetic variation due to geographic isolation showed in the phonological variation when introduced and grown in Taiwan. |
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