0c</sub> 其中黃連水提物對(duì)兩種病原菌的抑制作用最為顯著，抑菌率均為 100% ，對(duì)辣椒疫霉菌和煙草疫霉菌的 EC<sub>50</sub> 值分別為 1.063,1.286mg?mL<sup>-1</sup> 。研究結(jié)果為茄子綿疫病防治及植物源農(nóng)藥的研發(fā)提供了新的思路和數(shù)據(jù)支撐。-龍?jiān)雌诳W(wǎng)" />

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31種中藥材水提取物對(duì)茄子綿疫病病原菌的抑制作用

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中圖分類(lèi)號(hào)：S641.1 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1673-2871（2025）06-203-06

Inhibitory effects of aqueous extracts from 31 traditional Chinese herbs on phytophthora blight of eggplant

TAN Zhiyong'，LI Yuzhu'， TAN Daxin2，XU Zaiqian'， CHEN Xiaoxiong

1.TongrenUiaicein

Abstract：This study investigates the inhibitoryefects of extracts from traditional Chinese herbs on phytophthora blight ofeggplant，aiming toprovidescientific basis fortheselectionandresearchanddevelopmentofbotanicalfungicideof phytophthora blightof eggplant.The efectsofaqueous extracts from31traditional Chinese herbsonPhytophthoracapsiciandPhytophthoranicotianae were measuredby mycelial growthrate method.Theresultsshowedthattheaqueous extractsofdiferentChineseherbshaddifferenteffectsonthemycelialgrowthofthetestedfungi，andtheinhibitionrates was 0-100% .Theaqueous extractsof Coptis chinensis Franch.hadthe most significant inhibitoryeffect on the two pathogens，and the inhibition rate was 100% .The EC50 valuesof the aqueous extract of Coptischinensis Franch.onPhytophthoracapsiciandPhytophthoranicotianaewere 1.063mg?mL-1 and 1.286mg?mL-1 ，respectively.Thisstudy providesa new way and data support fortheprevention and controlof phytophthora blightof eggplant and the developmentof botanical fungicide .

KeyWords：Phytophthorablightofeggplant;Phytophthoracapsici;Phytophthoranicotianae;Botanicalfungicide

綿疫病為茄子三大病害之一，全生育期均可發(fā)生，苗期和成株期均可受害，一般會(huì)導(dǎo)致減產(chǎn) 20%～ 30% ，發(fā)病嚴(yán)重時(shí)損失超過(guò) 50% ，主要危害茄果，也能危害葉、莖、花器等部位。（剩余9657字）

目錄
monitor