| 中国小黑豆抗源对大豆孢囊线虫4号生理小种抗病的生化反应 |
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| 引用本文： | 颜清上,陈品三.中国小黑豆抗源对大豆孢囊线虫4号生理小种抗病的生化反应[J].作物学报,1997,23(5):529-537. |
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| 作者姓名： | 颜清上 陈品三 |
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| 作者单位： | 中国农业科学院作物育种栽培研究所，北京，100081 |
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| 摘 要： | 抗源品种灰皮支黑豆、元钵黑豆和高感品种鲁豆１号为供试大豆材料，大豆孢囊线虫４号生理小种卵和二龄幼虫为接种物。接种后１７天，测定大豆根部的营养物质和次生代谢物含量。与不接种对照比，抗源品种灰皮支黑豆和元体黑豆根部的总糖含量分别降低２４．９１％和３７．７７％，而感病对照鲁豆１号升高４６．０１％；果糖和麦芽四糖含量在感病对照根上增加幅度较大，分别为１４４．３０％和６２．９０％，但在抗源品种根上或是具有小
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| 关 键 词： | 大豆 孢囊线虫 抗源品种 糖分 游离氨基酸 |
| 收稿时间： | 1995-12-11 |
| 修稿时间： | 1996-09-28 |
Biochemical Responses of Resistance to Race 4 of Heterodera glycines in Chinese Black Soybean |
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| Yan Qingshang,Wang Lianzheng,Chen Pinsan.Biochemical Responses of Resistance to Race 4 of Heterodera glycines in Chinese Black Soybean[J].Acta Agronomica Sinica,1997,23(5):529-537. |
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| Authors: | Yan Qingshang Wang Lianzheng Chen Pinsan |
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| Institution: | Institute of Crop Breeding and Cultivation, CAAS, Beijing 100081 |
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| Abstract: | The contents of nutriment and some secondary metabolites in fibrous roots of soybean seedlings were determined at 17 days after inoculation with race 4 of Heterodera glycines. The results showed as follows; The content of total sugar in infected roots of susceptible control, Ludou 1, was 46. 01% higher than that in healthy one, meanwhile the contents of total sugar were 24. 91% and 37. 77% lower in the roots of two resistant varieties, Huipizhihei-dou and Yuanboheidou, respectively. Compared to their corresponding healthy roots, the contents of fructose, maltotetrose increased 144. 30% and 62. 90% in infected roots of cultivar Ludou 1 respectively, whereas they decreased or increased to a smaller extent in the roots of resistant cultivars. After inoculation, the increasing percentages of the concentrations of total free amino acid as well as arginine, glutamic acid, alanine, aspartic acid, leucine, valine in roots of cultivar Ludou 1 were higher than that in the roots of two resistant cultivars. The contents of cystine either in infected roots or in healthy roots of the two resistant cultivars were all zeros. In response to inoculation, the increases of the contents of total phenolics, chlorogenic acid and fer-ulic acid in the roots of resistant cultivars, Huipizhiheidou and Yuanboheidou, were one time to several times more than these in the roots of susceptible control, Ludou 1. At the same time, the contents of flanvonoid and lignin varied diversely between resistant cultivars and susceptible one, which increased in infected roots of resistant cultivars and decreased in infected roots of Ludou 1 after inoculation. |
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| Keywords: | Soybean Heterodera glycines Resistant cultivars Nutriment Secondary metabolites |
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