| 摘要: |
| 以灰葡萄孢、禾谷镰刀菌、辣椒疫霉、盘长孢状刺盘孢、凸脐需孢为供试真菌，植物提取物样品供试质量浓度为0.1 g/mL，用琼胶平板法对62种植物样品的丙酮提取物进行了离体生物活性测定。结果表明，有39种提取物样品至少对5种供试真菌中的1种真菌的抑制率大于60％，其中多线柳（茎、叶）、野核桃（茎、叶）等23种提取物样品至少对1种供试真菌的抑制率大于80％，野核桃（茎）、枸树（根）、齿果酸模（茎）、甘草（全株）、苦豆子（根）、狼毒（根）、石榴（果皮）7种植物提取物样品对其中4种供试真菌均表现很强的抑制作用。 |
| 关键词: 植物源杀菌剂 抑菌作用 生物活性物质筛选 |
| DOI： |
| 分类号: |
| 基金项目:陕西省科技攻关项目(99K06-G6-02) |
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| Preliminary study on antifungal activity of 62 plant extracts |
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| Abstract: |
| The antifungal activities of 62 species of plant extracts were tested with isolate hypha of Botrytis cirerea Pers.,Fusarium graminerum Schw.,Phytophthora capsici Leonian,Colletotrichum gloeosporioides Penz,and Exserohilum turcicum Pass.The concentration of sample extracted from acetone was 0.1 g/mL.The result showed that plant-extracted antifungal rate of 39 species was more than 60% to one or more tested fungi.That of 23 species (for example,Salix polyadenia,Juglans cathayonsis etc.) was up to 80% to one or more tested fungi.The extracts of Juglans cathayonsis (stem),Broussonetia papyrifera L.(root),Rumex dentatus L.(stem),Glycyrrhizo uralensis Fisch(the whole),Sophora alopecuroides Linn.(root),Stellera chamaejasme L.(root) and Punica granatum L(rind).Had strong inhibition to 4 kinds of the tested fungi. |
| Key words: botanical fungicide antifungal activity bioactivity-screening |
