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題 名 | 「臺農甜蜜」桃雜交後代果實性狀的遺傳分析=Genetic Analysis of Fruit Characteristics in Hybrids of "Premier" Peach (Prunus Persica Sieb. Et Zucc.) |
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作 者 | 歐錫坤; 宋家瑋; 呂秀英; | 書刊名 | 中國園藝 |
卷 期 | 51:2 2005.06[民94.06] |
頁 次 | 頁145-154 |
分類號 | 435.324 |
關鍵詞 | 桃; 育種效率; 遺傳性狀; 遺傳力; 遺傳分析; Peach; Breeding efficiency; Inherited characters; Heritability; Genetic analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 針對臺灣平地水蜜桃主要栽培種‘臺農甜蜜’(‘Premier’),自1996年至1998年間5個特定雜交組合及708株後代開花結果的表現,進行子代重要經濟性狀的遺傳分析研究。結果顯示臺農甜蜜桃的果肉質地屬溶質為同因子結合體(MM),白色果肉(Yy)與果核的黏離(Ff)為異因子結合體。與果肉如石頭般堅硬的’鶯歌桃’(hdhd)雜交,134株雜交後代皆為溶質,可見’臺農甜蜜’溶質特性為顯性同基因體結合(HdHd)。果實大小呈現被多因子控制的結果,無完全顯性,’Flordared’×’臺農甜蜜’的雜交組合,產生大果的機率較高。從’臺農甜蜜’正反交的後代中較高酸與低酸的出現機率,顯示低酸(甜蜜桃)型的子代是從累加顯性遺傳因子而來,低酸栽培種為母本可獲得較多低酸度的後代。 |
英文摘要 | The performance datum of 708 low-chill hybrids derived form ‘Premier’ peach with five specific combinations were conduced for fruit genetic analysis from 1996 to 1998. The results revealed that melting flesh homozygotes MM, while flesh heterozygotes Yy and semi-clingstone heterozygotes Ff were determined for fruit inherited characters of Premier peach. All melting flesh of 134 progenies desending from ‘Premier’ ×’In-ge-taur’ (stonyhard, hdhd) revealed that melting flesh character of ‘Premier’ consists of a dominant homozygote (HdHd). Fruit size appeared to be controlled by multiple genes without complete dominance. The best combination of high opportunity to obtain large fruit size was derived from ‘Flordared’ × ‘Premier’ in this experiment. To compare high and low acid hybrids from reciprocal cresses of ‘Premier’ indicated that low acid (sweet) type of peach resulted from cumulative dominant genes. Much more percentage of lowest acidity progenies were selected from the combination by using low acid cultivar as maternal parent. |
本系統中英文摘要資訊取自各篇刊載內容。