| 刺槐对黄瓜白粉病的防治效果研究 |
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| 引用本文： | 李艳波,张志远.刺槐对黄瓜白粉病的防治效果研究[J].世界农药,2012,34(4):42-44. |
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| 作者姓名： | 李艳波 张志远 |
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| 作者单位： | 1. 上海南方农药研究中心,上海,201702
2. 拓纳化学(上海)有限公司,上海,201103 |
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| 摘 要： | 通过室内盆栽和大棚药效试验,研究了刺槐叶片提取物对黄瓜白粉病的防治效果.室内盆栽试验表明,在刺槐提取物浓度为40 mg/mL时,对黄瓜白粉病的防治效果可以达到90.31％,刺槐提取物的EC5o为3.49 mg/mL.随着提取物浓度的增大,发病情况逐渐减轻.大棚药效试验表明,刺槐提取物的浓度为20 mg/mL时,其81.97％的防效高于三唑酮73.61％的效果,每隔7d喷施一次刺槐提取物,能够有效预防黄瓜产果期发生白粉病.
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| 关 键 词： | 刺槐 提取物 黄瓜白粉病 预防效果 |
Protective Effect of Robinia pseudoacacia Extracts on Cucumber Powdery Mildew |
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| LI Yan-bo
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ZHANG Zhi-yuan.Protective Effect of Robinia pseudoacacia Extracts on Cucumber Powdery Mildew[J].World Pesticides,2012,34(4):42-44. |
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| Authors: | LI Yan-bo ZHANG Zhi-yuan |
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| Affiliation: | 1 Shanghai Southern Pesticides Research Center,Shanghai 201702,China; 2 TANATEX Chemicals(Shanghai) Co.,Ltd.,Shanghai 201103,China] |
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| Abstract: | The protective effect of Robinia pseudoacacia extracts on cucumber powdery mildew was tested in both cultural room and greenhouse.In cultural room,the extracts（40mg/mL） had a protective effect（90.31%） on cucumber powdery mildew,and the EC50 was about 3.49 mg/mL.The trial results demonstrated that the extracts had a much higher antifungal efficacy in a dose-dependent manner.In greenhouse,the extracts（20mg/mL） had a protective effect（81.97%） on cucumber powdery mildew,and the relative protective effect was better than that（73.61%） of the chemical fungicide.The green house trial results showed Robinia pseudoacacia extracts had a good protective effect on cucumber powdery mildew when it was sprayed every 7 days. |
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| Keywords: | Robinia pseudoacacia extracts cumber powdery mildew protective effect |
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