耐熱、粗網紋甜瓜新品種‘台中2號’育成

甜瓜‘台中2號’母本自交純化於葉片濃綠、網紋細密及可食率高等特性市售耐熱品種之S_8世代品系，父本自交純化於株型大、生長勢強、葉片濃綠、網紋粗、高產量與高糖度等特性栽培品種‘玉珊2號’之S_8世代品系。在2018年透過雜交組合評估，選拔生長勢及果品表現優良之雜交組合。隨後經夏季耐熱品系比較試驗及性狀檢定確認甜瓜‘台中2號’具耐熱性、生長勢佳、葉片大且濃綠、果實圓形、網紋粗且密、高產量與糖度等特性，並於2021年6月取得品種權（品種權字第A02894號）。甜瓜‘台中2號’為一代雜交種（F_1）。種子乳黃色、平均百粒重2.4 g。子葉綠色、中等大小、下胚軸短。葉片綠色及中等大小，葉柄直立。雄花及兩性花同株，定植至雄花開約14.3日；兩性花則為24日。晚熟，授粉約55天可採收。果實近圓形，平均重量1.8 kg，平均糖度13°Brix，最高糖度16°Brix。網紋粗且密，綠肉品種。果肉厚，可食率高、食味品質佳。甜瓜‘台中2號’具耐熱性，適於臺灣中、南部平地3－9月栽種，可調節國內夏季的甜瓜市場，並提供設施農作產業發展另一項新選擇。

關鍵字

甜瓜；育種；雜交一代；耐熱性

並列摘要

The female parent of the melon 'Taichung 2' was selected from a commercially available heat-resistant variety. It is a dark green leaves, fine netting and high edible rate of eighth-generation line with self-cross. The male parent was selected from the cultivar 'Yushan No.2'. It is a large plant size, strong growth vigor, dark green leaves, thick netting, high yield and sugar content of eighth-generation line with self-cross. In 2018, through the evaluation of hybrid combinations, hybrid lines with excellent growth vigor and fruit performance were selected. Afterwards, the summer heat-resistant comparison test and plant characteristics examined confirmed that the melon 'Taichung 2' has the characteristics with heat resistance, good growth vigor, large and dark green leaves, round fruit, reticulated thick and dense, high yield and high sugar content. In June 2021, the plant variety right was obtained (No. A02894). The melon 'Taichung No. 2' is a F_1 hybrid. Seed coat color is creamy yellow, and the average hundred-seed weight is 2.4 g. Cotyledons are green, medium in size, with short hypocotyls. Green leaves are of medium size and with upright petiole. Andromonoecious; the male flowers open on about 14.3 days after transplanting; bisexual flowers open on about 24 days. It is a late variety and can be harvested on about 55 days after pollination. Round-shaped fruit with an average weight of 1.8 kg, the an average sugar of 13 °Brix and a maximum of 16 °Brix. The fruit surface is reticulate of thick and densely. The pilp is green, thick, highly edible and tasty. The melon 'Taichung No. 2' has heat-tolerant that suitable for planting season is from March to Spetember in central or southern Taiwan. It could conducive to adjust market on summer and providing another new choice for the development of melon industry at Taiwan.

並列關鍵字

melon ； breeding ； F_1 hybrid ； heat-tolerance

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