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《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2015年13

Page:

131-133

Research Field:

Publishing date:

Info

Title:

Study on Antifungal Activity of Several Plant Pathogenit Fungi From Ethanol Extract of Luffa

Author(s):

XING Xiaoxia¹; LI Xiulan²

1.College of Plant Protection and Agronomy，Qingdao Agricultural University，Qingdao,Shandong 266109;2.College of Chemistry and Pharmaceutical Sciences,Qingdao Agricultural University,Qingdao,Shandong 266109

Keywords:

Luffa; botanical pesticides; antifungal activity

PACS:

S 482.2+92

DOI:

10.11937/bfyy.201513037

Abstract:

The antifungal activity constituents were extracted from Luffa with ethanol，and the extract were separated by petroleum ether,ethylacetate，n-butanol and water.The antifungal activity was determined to ten plant pathogens by mycelial growth inhibition assay.The results showed that the ethanol extracts of Luffa had strong inhibition effect against Glomerella cingulata，Penicillium expansum, Physalospora piricola and Fusarium oxysporium，their inhibitory rate came up to 73.5%，72.2%，66.8% and 61.1% at 5.00×103 mg/L.The highest activity components were distributed in petroleum ether and ethyl acetate partition.The EC₅₀ value of petroleum ether partition against Glomerella cingulata and Penicillium expansum were 3.2×10³ mg/L and 3.9×10³ mg/L；the EC₅₀ value of ethyl acetate partition were 1.2×10³ mg/L and 2.1×10³ mg/L,respectively.The petroleum ether and ethyl acetate partition was the most active partition and could be acted as the emphases for further study.

References:

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Last Update: 2015-08-21