Acaricidal activity of different fractions of Moringa peregrina on two spotted spider mite Tetranychus urticae (Acari: Tetranychidae)

Seifi, Reza; Moharramipour, Saeid; Ayyari, Mahdi

doi:10.1016/j.indcrop.2018.09.031

Cited by 6 publications

(2 citation statements)

References 52 publications

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“…Garlic and ginger are utilised for their essential oils against a range of pests and pathogens (Koundal et al, 2018). Neem (Azadirachta indica), moringa (Moringa oleifera) and tephrosia (Tephrosia vogelii) have been reported to have insecticidal properties and used to manage a number of insects attacking different crops with notable success (Alao et al, 2018;Mikami et al, 2018;Seifi et al, 2018). The bioactive compounds in some plants may also have repellence effects without necessarily killing the insects (Babu et al, 2018).…”

Section: Alternative Pest Management Approaches In Tomato Crop Protec...mentioning

confidence: 99%

“…A section of farmers in Same District were aware of botanical pesticides and had used farm preparations from Azadirachta indica, Tithonia diversifolia, Tephrosia vogelii and Moringa oleifera to manage pests on vegetables and maize. The pesticidal properties and the availability of commercial formulations of these plants has been documented (Alao et al, 2018;Dimetry & El-Behery, 2018;Mikami et al, 2018;Seifi et al, 2018;Ngom et al, 2018).…”

Section: Awareness On Medicinal and Pesticidal Value Of Ginger And Tu...mentioning

confidence: 99%

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Activity of extracts from selected Tanzanian spices on major fungal pathogens and blight diseases of Tomato

Lengai

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Tomato (Solanum lycopersicum L.) is affected by many fungal diseases and farmers rely on synthetic pesticides for management. Detrimental effects associated with injudicious use of chemical pesticides have caused a demand for alternative crop protection products. The objective of this study was to evaluate the antifungal activity of selected spices against major fungal pathogens and blight diseases of tomato. An ethnobotanical survey for ginger and turmeric and evaluation of awareness of botanical pesticides use and collection of commonly consumed spices was conducted in Tanzania. Ethanolic extracts from spices were prepared by maceration and tested for antifungal activity in posisoned food bioassay against Phytophthora infestans, Alternaria solani, Fusarium oxysporum f.sp. lycopersici and Pythium spp in vitro, their effect on seed germination and efficacy on severity of early and late blight diseases of tomato in. The most active extracts were fractionated in solvents with varied polarity, analyzed for biochemical composition and tested for fungicidal activity. Results indicated that among the tested spices, clove extract was the most active, inhibiting all the fungal pathogens (100%). Combined effect of the most active extracts showed that clove combined with either ginger, black pepper or turmeric inhibited growth of P. infestans (100%). The activity of solvent fractions was lower compared to the crude ethanolic extracts, except for clove fractioned in n hexane which completely inhibited the growth of P. infestans. Therefore, the most active compounds were better extracted in ethanol. Gas chromatography- mass spectrometry analysis of the clove’s n- hexane fraction showed high abundance of eugenol (74%) which is likely to be responsible for the high antifungal activity. High concentrations of the spice extracts deterred and slowed germination but low concentrations stimulated seed germination of up to 98%. Under field conditions black pepper extract reduced severity of late blight by 40% while clove extract reduced severity of early blight by 35% compared to the untreated control. The findings herein are proof of activity of spice extracts under in vitro and field conditions. This study recommends that the most active extracts be considered for development of a broad botanical fungicide for management of fungal diseases of tomato.

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Section: Alternative Pest Management Approaches In Tomato Crop Protec...mentioning

confidence: 99%

Section: Awareness On Medicinal and Pesticidal Value Of Ginger And Tu...mentioning

confidence: 99%

Activity of extracts from selected Tanzanian spices on major fungal pathogens and blight diseases of Tomato

Lengai

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Acaricidal, ovicidal and fagoinhibition activities of seed extracts from Swietenia humilis against Tetranychus urticae under laboratory conditions

Maldonado-Michel

Muñiz‐Valencia

Peraza-Campos

et al. 2022

Industrial Crops and Products

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Erucin modulates digestive enzyme release via crustacean cardioactive peptide in the elm leaf beetle Xanthogaleruca luteola (Coleoptera: Chrysomelidae)

Mashhoor

Moharramipour

Mikani

et al. 2021

Journal of Insect Physiology

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Acaricidal activity of different fractions of Moringa peregrina on two spotted spider mite Tetranychus urticae (Acari: Tetranychidae)

Cited by 6 publications

References 52 publications

Activity of extracts from selected Tanzanian spices on major fungal pathogens and blight diseases of Tomato

Activity of extracts from selected Tanzanian spices on major fungal pathogens and blight diseases of Tomato

Acaricidal, ovicidal and fagoinhibition activities of seed extracts from Swietenia humilis against Tetranychus urticae under laboratory conditions

Erucin modulates digestive enzyme release via crustacean cardioactive peptide in the elm leaf beetle Xanthogaleruca luteola (Coleoptera: Chrysomelidae)

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