| 慢照射与茎尖培养相结合筛选甘薯同质突变体 |
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| 引用本文： | 王玉萍,刘庆昌,李爱贤,翟红,森下敏和,洪重健.慢照射与茎尖培养相结合筛选甘薯同质突变体[J].作物学报,2002,28(1):18-23. |
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| 作者姓名： | 王玉萍 刘庆昌 李爱贤 翟红 森下敏和 洪重健 |
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| 作者单位： | 中国农业大学植物遗传育种系,北京,100094 |
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| 基金项目： | 国家自然科学基金资助项目 (3 9970 45 1) |
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| 摘 要： | 甘薯品种玉丰、高系14号和Kandaba在生育期内用60Coγ射线慢照射, 对照射后的材料进行茎尖组培, 通过体细胞胚胎发生途径再生出大量植株. 将这些再生植株移栽到大田, 对辐照后代的形态特征和经济特性进行了调查和分析. 结果表明, 辐照后代M1V 1和M1V2在顶叶形、叶形、顶叶色、叶脉色、脉基色、薯形及薯肉色、产量、干物率、食
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| 关 键 词： | 甘薯 慢照射 茎尖培养 同质突变体 筛选 |
| 收稿时间： | 2000-12-12 |
| 修稿时间： | 2000年12月12 |
Production of Homogeneous Mutants through the Use of Chronic Radiation in Combin ing with Shoot Apex Culture in Sweet Potato |
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| Wang Yuping,Liu Qingchang,Li Aixian,Zhai Hong,Sen Xiaminhe,Hong Zhongjian.Production of Homogeneous Mutants through the Use of Chronic Radiation in Combin ing with Shoot Apex Culture in Sweet Potato[J].Acta Agronomica Sinica,2002,28(1):18-23. |
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| Authors: | Wang Yuping Liu Qingchang Li Aixian Zhai Hong Sen Xiaminhe Hong Zhongjian |
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| Abstract: | Sweet potato cultivars Tamayutaka, Kokei No.14 and Kandaba were planted in a gamma field. Shoot apices from the irradiated plants were cultured, and regenerated lots of plants via somatic embryogenesis. The regenerated plants were transplanted in a field. Variations of top leaf shape, leaf shape, top leaf color, leaf vein color, vein base color, root shape, root flesh color, root yield, dry matter content, taste after steaming, and root Brix were observed in progenies M 1V 1 and M 1V 2. The results indicated these variations were stably inherited. And the homogeneous mutants of root shape, root flesh color, high dry matter content, excellent taste, high root yield, and high root Brix were obtained. |
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| Keywords: | Sweet potato Chronic radiation: Shoot apex culture Homogeneous mutants |
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