| 向日葵锈菌夏孢子芽管在向日葵叶片上的结合现象及核相研究 |
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| 引用本文： | 马青,魏国荣,康振生,李振岐.向日葵锈菌夏孢子芽管在向日葵叶片上的结合现象及核相研究[J].西北农业学报,1994,3(3):82-84. |
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| 作者姓名： | 马青 魏国荣 康振生 李振岐 |
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| 作者单位： | 西北农业大学植保系, 陕西杨陵 712100;西北农业大学植保系, 陕西杨陵 712100;西北农业大学植保系, 陕西杨陵 712100;西北农业大学植保系, 陕西杨陵 712100 |
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| 摘 要： | 应用荧光染色技术,研究了向日葵锈菌夏孢子芽管在向日葵叶片上的结合现象及其核相状况.观察发现,夏孢子萌发后形成的芽管通常为双核,也有单核、三核及四核.夏孢子芽管可以在、2个、3个及多个芽管间结合并形成结合体.结合后的芽管拥有多个细胞核.在结合体内有双核、三核及四核.结合体可以继续产生菌丝.这一现象的发现,为进一步研究向日葵锈菌多核现象的生物学意义及其变异奠定了基础.
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| 关 键 词： | 向日葵 锈菌 芽管结合 核相 |
| 收稿时间： | 1993/11/25 0:00:00 |
FUSION AND NUCLEAR PHASE OF UREDIOSPORE GERM TUBES IN PUCCINIA HELIANTHI SCHW ON SUNFLOWER LEAVES |
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| Ma Qing,Wei Guorong,Kang Zhensheng and Li Zhenqi.FUSION AND NUCLEAR PHASE OF UREDIOSPORE GERM TUBES IN PUCCINIA HELIANTHI SCHW ON SUNFLOWER LEAVES[J].Acta Agriculturae Boreali-occidentalis Sinica,1994,3(3):82-84. |
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| Authors: | Ma Qing Wei Guorong Kang Zhensheng and Li Zhenqi |
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| Institution: | Department of Plant Protection, Northwestern Agricultural University, Yangling Shaanxi 712100;Department of Plant Protection, Northwestern Agricultural University, Yangling Shaanxi 712100;Department of Plant Protection, Northwestern Agricultural University, Yangling Shaanxi 712100;Department of Plant Protection, Northwestern Agricultural University, Yangling Shaanxi 712100 |
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| Abstract: | The germ tube fusion and nuclear phase of Puccinia heliarethi Schw were studied by means of flouresence staining.The results showed that the germ tubes of urediospore are usually binucleate but occasionally uni-,tri- or quadrinucleate,The germ tube fusions could occur between two,three and more germ tubes,and form fusion bodies.The germ tubes are multinucleate after fusion.The fusion bodies which are uni-,tri- and quadrinucleate could continue producing hyphae. |
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| Keywords: | Sunflower rust fungus Germ tube fusion Fusion body Nuclear phase |
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