Effect of Some Plant Extracts and Oils on Grape Downy Mildew Disease

Ammar, Mohamed; Amer, G. A.; All, A. M. Abd El; Badawy, Atef

doi:10.21608/mjapam.2018.123337

Cited by 1 publication

(2 citation statements)

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“…These results may be referring to the effect of chemical composition of the oils and extracts on the structure of epidermis cells and stomatal opening and closer. Ammar et al ( 2018). According to Ahmed et al (2016) activity of castor and clove oils on reducing powdery and downy mildew on cucumber could be due to the drastic effect of fatty acids and their derivatives on the causal pathogen.…”

Section: Discussionmentioning

confidence: 99%

“…Canola oil found to be the most effective treatment. Ammar et al (2018) proved that water extracts of castor, oleander and mint in addition to the oils of castor, thyme and mint significantly reduced the disease severity of grape downy mildew and increased the number of clusters, clusters length and yield production / plant. Therefore, the objective of this work aimed to study the effect of some plant water extracts and essential oils on cucumber downy mildew disease and yield production.…”

Section: Downymentioning

confidence: 96%

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Management of Cucumber Downy Mildew Disease by Some Plant Water Extracts and Plant Essential Oils

Amar,

ibrahim,

El-shennway

et al. 2023

Menoufia Journal of Plant Protection

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The efficacy of three water plant extracts ie; Mint (Mentha villosa), Basil (Ocimum basilicum )and Aloe vera (Aloe barbadensis) with three concentrations (2 , 4 and 6 ml/ L) and plant essential oils of three plants Castor (Ricinus communis), Thyme ( Thymus vulgaris) and Mint (Mentha villosa) with three concentrations (2.5 , 3.5 and 4.5 ml/L) were studied under greenhouse conditions during two successive seasons (2019-2020 and 2020-2021) on cucumber downy mildew disease management. The obtained results indicated that, application of plant extracts and essential oils significantly reduced the disease severity and increase the yield production (number of fruits / plant and average fruit yield production / plant). For the water plant extracts the Alo vera (6 ml/L concentration) was the best treatment, while the Basil (2 ml/L concentration) showed the lowest effect. For the essential oils, Castor oil (4.5 ml/L) gave the highest effect on decrease the disease severity and increase the yield while the Mint oil (3.5 ml/L) showed the minimum effect.

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Section: Discussionmentioning

confidence: 99%

Section: Downymentioning

confidence: 96%