| Psedudomonas sp．A03对Rhiaoctonia solani的抗生现象 |
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| 引用本文： | 汪来发,邱德勋.Psedudomonas sp．A03对Rhiaoctonia solani的抗生现象[J].四川农业大学学报,1994,12(2):248-252. |
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| 作者姓名： | 汪来发 邱德勋 |
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| 作者单位： | 四川农业大学林学园艺学院，中国林科院 |
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| 摘 要： | 在ＰＤＡ、ＫＢ和含Ｆｅ（＋＋＋）的ＫＢ琼脂平板上，Ｐｓｅｕｄｏｍｏｎａｓｓｐ．Ａ０３和Ｒｈｉｚｏｃｔｏｎｉａｓｏｌａｌｎｉ之间出现抑菌带。ＰｓｅｕｄｏｍｏｎａｓｓｐＡ０３培养物的无菌滤液及其粗提物以及在ＫＢ平板上产生的挥发性抗生物质都能抑制Ｒｈｉｚｏｃｈｔｏｎｉａｓｌｏａｎｉ菌丝生长。电镜扫描发现Ａ０３在杉木和云杉幼苗根面定殖。
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| 关 键 词： | 茄丝核菌，假单胞杆菌，拮抗作用（45AA），杉木（45NK49GG），猝倒病（49LB），植物病害（49LB）。 |
ANTAGONISM OF PSEUDOMONAS SP. A03 TO RHIZOCTONIA SOLANI |
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| Wang Laifa ,Qiu Dexun.ANTAGONISM OF PSEUDOMONAS SP. A03 TO RHIZOCTONIA SOLANI[J].Journal of Sichuan Agricultural University,1994,12(2):248-252. |
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| Authors: | Wang Laifa Qiu Dexun |
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| Institution: | College of Forestry and Horticulture Sichuan Agricultuial University/Yaan Sichuan china 625014 |
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| Abstract: | Clear zones between Pseudomonas sp.A03 and Rhizocto nia solani appeared in such agar media as PDA, KB and KB containing Fe+++,the growth inhibition of R.sclani mycelium was caused by both cell-free filtrates and rough extracts of Pseudomonas sp. A03 grown in shake culture, and also by their volatile antibiotics produced in KB culture plate.Scanning electron microscope showed that A03 colonized on the root surface of china fir and spruce seedlings. |
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| Keywords: | RHIZOCTONIA SOLANI PSEUDOMONAS ANTAGONISM CHINA FIR DAMPING-OFF PLANT DISEASE |
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