In-Vitro Efficacy of Different Botanical Extract against Leaf Spot of Marry Gold caused by Alternaria alternat

Mehrgarh Journal of Sciences and Technology Pub Date : 2021-03-17 DOI:10.52861/MHJST.2021.1.1.2

Umeruldin Jarwar, Z. A. Nizamani, Muswar Ali Gadhi, Saeed Ahmed Abro, T. A. Bhatti, A. H. Soomro, Shair Muhammad

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Abstract

This study was carried out to study the in-vitroefficacy of different botanical extracts against leaf spot of marigold, caused by Alternaria alternata. The results of present study showed that the disease incidence from variouslocations of district HyderabadSindhwas observed Ghangra Mori35%, TandoHyder 30%, Rahooki25%, Moosa Khatyan20%, and Hosri15%.Upper limitdisease occurrencewas observedfrom Ghangra Mori and lower limit sickness was recordedfrom Hosri. The botanicalplantextract ‘Neem’ observed 48, 40and 34mmlinear colony growth of Alternaria alternataat 2%, 4% and 6% concentrations, respectively, Dhaturaextract observed 75.5, 63 and 57.5mmcolony growth of Alternaria alternataat 2%, 4% and 6% concentrations, respectively. Garlic extract observed 49%, 43% and 36% linear colony growth of Alternaria alternataat 2%, 4% and 6% concentrations, respectively. Ginger extract observed 50, 43.5and 36.5mmcolony growth of Alternaria alternataat 2%, 4% and 6% concentrations, respectively. Minimum linear colony growth of Alternaria alternatawas observed at 6% concentration for Neem extract followed by Garlic extract, Ginger extract and Datura extract, respectivelythe plant infusion, Neeminfusion show good effectoppositelinear colony growth of Alternaria alternataon6% solution

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不同植物提取物对金银花叶斑病的体外防治效果研究

研究了不同植物提取物对万寿菊叶斑病的体外防治效果。本研究结果显示，海得拉巴和信德省各地区的发病率为Ghangra Mori35%， TandoHyder 30%， Rahooki25%， Moosa Khatyan20%， Hosri15%。上限疾病发生在Ghangra Mori，下限疾病发生在Hosri。植物提取物“印楝”在2%、4%和6%浓度下的菌落生长分别为48、40和34mm, dhatura提取物在2%、4%和6%浓度下的菌落生长分别为75.5、63和57.5mm。大蒜提取物在浓度为2%、4%和6%时，交替病菌的线性菌落增长率分别为49%、43%和36%。生姜提取物在浓度为2%、4%和6%时，菌落生长分别为50、43.5和36.5mm。印楝提取物浓度为6%时，交替病菌的线性菌落生长最小，其次是大蒜提取物、生姜提取物和曼陀罗提取物，植物输注、交替病菌输注对交替病菌的线性菌落生长有较好的影响

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Mehrgarh Journal of Sciences and Technology

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