頁籤選單縮合
題 名 | 甜瓜抗白粉病新品種「臺農2號」之育成=Development of a New Powdery Mildew Resistant Hybrid of Melon (Cucumis melo L.), 'Tainung No. 2' |
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作 者 | 王毓華; 張庚鵬; 黃晉興; 吳錫家; | 書刊名 | 臺灣農業研究 |
卷 期 | 68:2 2019.06[民108.06] |
頁 次 | 頁165-176 |
分類號 | 435.261 |
關鍵詞 | 甜瓜; 育種; 白粉病; Cucumis melo; Breeding; Podosphaera xanthii; |
語 文 | 中文(Chinese) |
中文摘要 | 為育成抗白粉病(powdery mildew; PM)之甜瓜(Cucumis melo L.)雜交新品種,將行政院農委會農業試驗所育成之6個網紋綠肉自交系的抗病性、果形、果實大小、果皮網紋及果肉厚度、甜度等性狀進行評估。抗病性篩選採用葉圓片人工接種法及調查田間自然發病率,先篩選出具抗白粉病之M15033和TARI-08874兩個自交系,並透過雜交育種法育成一代雜交種。接著進行品系比較試驗與區域試驗,最後選育出雜交新品系TARI-M-104。本雜交新品系於2018年7月11日經行政院農業委員會植物品種審議委員會通過取得品種權,命名為甜瓜「台農2號」。本品種屬於網紋綠肉洋香瓜,對由白粉病菌生理小種1(Podosphaera xanthii race 1)具有抗性,惟對生理小種5(P. xanthii race 5)則呈現感病性,果實重量約1,300 g、平均糖度為13.2°Brix、果肉厚度約4.0 cm、網紋優美等特性,當果實成熟後果皮會轉為金黃色,並散發特殊香氣,因此甜瓜「台農2號」具有推廣於設施栽培之發展潛力。 |
英文摘要 | Aim in breeding of a new melon (Cucumis melo L.) hybrid with high level of resistance against powdery mildew (PM) caused by Podosphaera xanthii race 1, a total of 6 green fleshed inbred lines developed by Taiwan Agricultural Research Institute were evaluated for their resistance against PM and major fruit traits. The disease reaction of PM was evaluated by the method of leaf disk inoculation and resistance performance in the field. In addition, the fruit characters evaluated for the new resistance hybrid include fruit shape, size, rind netting, flesh thickness and sugar level. Based on the results of above mentioned characters, two resistant inbred lines, M15033 and TARI-08874, were selected as female and male parents, respectively, and by crossing M15033 and TARI-08874 to develop a hybrid, TARI-M-104, followed by a series of regional tests. The plant variety right of the hybrid TARI-M-104 has been approved and published in Taiwan, which is named 'Tainung No. 2'. 'Tainung No. 2' is resistant to P. xanthii race 1 but not resistant to race 5. It has an average fruit weight of 1,300 g, soluble solids content 13.2°Brix, and green flesh and attractive rind netting. The flesh thickness is about 4.0 cm. Furthermore, the external color of 'Tainung No. 2' will turn to golden yellow with excellent fragrance after maturity. This new PM resistant variety has the potential for greenhouse production. |
本系統中英文摘要資訊取自各篇刊載內容。