| 农用抗生素对烟草赤星病防治效果的研究 |
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| 引用本文： | 丁立孝,王新,王东昌,方善康.农用抗生素对烟草赤星病防治效果的研究[J].吉林农业大学学报,1999,21(2):16-19. |
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| 作者姓名： | 丁立孝 王新 王东昌 方善康 |
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| 作者单位： | 1. 莱阳农学院植保系,山东莱阳265200
2. 山东大学微生物系,济南250000 |
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| 摘 要： | 通过离体烟叶来皿叠培养筛选模型得到的链霉菌Ｓ－１０菌株所产生的农用抗生素对烟草赤星病菌具有很强的抑制作用。用牛津小杯法测定的抑菌圈直径可达３．２０ｃｍ。对抗生素进行了抗菌谱，ＰＨ纸色谱，捷允八溶剂系统纸色谱等试验，初步鉴定该抗生素为碱性水溶性广谱抗生素。
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| 关 键 词： | S-10菌株 烟草赤星病 农用抗生素 盆栽试验 |
| 文章编号： | 1000-5684（1999）02-0016-04 |
| 修稿时间： | 1998-10-07 |
Studies on the Agricultural Antibiotic on Controlling Tobacco Brown Spot |
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| DING Li-xiao,WANG Xin,WANG Dong-chang,FANG Shan-kang.Studies on the Agricultural Antibiotic on Controlling Tobacco Brown Spot[J].Journal of Jilin Agricultural University,1999,21(2):16-19. |
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| Authors: | DING Li-xiao WANG Xin WANG Dong-chang FANG Shan-kang |
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| Abstract: | Streptomyces S-10 strain was screened by a new screening model in petri dish using tobacco leaves in vitro. The agricultural antibiotics produced by S-10 strain possess of very significantly inhibiting effect on Alternaria alternata. The inhibiting zone diameter measured by the Oxford Cup method is as large as 3.20cm. Through examinations of antibiotic spectrum, pH paper chromatography and Jack's Eight Solvent System paper chromatography, this antibiotic is identified as a basic water soluble, wide spectrum antibiotic. The controlling effects of the two treatments conducted with enlarged antibiotic fluid in greenhouse potplanting experiment are 74.5% and 75.3%, respectively. |
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| Keywords: | S-10trains tobacco brown spot agricultural antibiotics potplanting experiment |
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