Anti-Alternaria solani Activity of Onion (Allium cepa), Ginger (Zingiber officinale) and Garlic (Allium sativum) In vitro

Mudyiwa, R. M.; Chiwaramakanda, S.; Manenji, B. T.; Takawira, Marjory

doi:10.9734/ijpss/2016/24488

Cited by 4 publications

(1 citation statement)

References 15 publications

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“…The control of foliar diseases may benefit from using secondary metabolites found in plants. (Shafique et al, 2011;Mudyiwa et al, 2016). Due to the non-hazardous effects of biocontrol, many scientists recommend using botanicals.…”

Section: In Vitro Management Of the Early Blight Of Tomato By Various...mentioning

confidence: 99%

In vitro management of the early blight of tomato by various chemical Fungicides and plant products

Ajmal,

Rashid

2023

PDC

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Pathogens reduce crop yield and quality, making their control necessary. In vitro studies examined the effects of botanicals (marigold, kikar, and ginger) and fungicides (Antracol, Captan, and Dithane M 45) against Alternaria solani. Botanicals (marigold, kikkar and ginger), fungicides (Antracol, Captan, and Dithane M 45), concentrations of botanicals (50%, 75% and 100%) and concentrations of fungicides (250 ppm, 500 ppm, and 1000 ppm) were the factors studied to effect the inhibition of A. solani. Mycelial growth diameter, inhibition, and spore germination were measured. Botanicals displayed considerable anti-fungal activity against A. solani, which increased with concentration. All tested botanicals and fungicides inhibited A. solani, reduced mycelial growth, and reduced spore germination. Ginger and Antracol have shown the strongest effects against A. solani at each concentration. Kikkar showed the minimum inhibition of A. solani. These botanicals can suppress pathogenic fungi as natural fungicides. Further research on botanicals should pinpoint the active compounds that cause this anti-fungal activity and test their anti-fungal activity on other fungi at different concentrations. These plant extracts may also control early blight disease in field experiments. Keywords: Fungal blight, Alternaria solani, chemical management, plant extracts.

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Section: In Vitro Management Of the Early Blight Of Tomato By Various...mentioning

confidence: 99%

In vitro management of the early blight of tomato by various chemical Fungicides and plant products

Ajmal,

Rashid

2023

PDC

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Regulatory framework in the European Union governing the use of basic substances in conventional and organic production

Costantini

Torre

2022

J Plant Dis Prot

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Evaluation of selected herbs for biocontrol of Rice Blast Disease

Nabila

Ramli

Yunus

et al. 2021

IOP Conf. Ser.: Earth Environ. Sci.

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Rice blast disease caused by Pyricularia oryzae is the most destructive disease of rice worldwide. It kills seedlings or plants up to the tillering stage. The most common practice controlling method is using chemical fungicide, however there are several negative impact of using synthetic chemicals to the human consumption as well as to the environment. In order to solve this problem, this study was conducted to find other alternative methods to control blast disease by using plant extracts from family Zingiberaceae which are Alpinia galangal, Curcuma longa and Zingiber officinale. Screening for antifungal activities of these plant extracts were done in vitro on Potato Dextrose Agar (PDA). After 7 days of treatment, result showed that crude extracts of Alpinia galangal hexane crude extract exhibited strong inhibitory against Pyricularia oryzae with the highest percentage of inhibition 52.9%, followed by Curcuma longa hexane crude extract with 49.1% and Zingiber officinale methanol crude extract with 43.5% inhibition. The antifungal activities may be due to the presence of some chemical compounds such as alkaloids, saponins, tannins, phenols, gylcosides, flavonoids and terpenes that been proved thru phytochemical test. However, further trial such as field trial is necessary to be done to evaluate the effectiveness of these extracts to control rice blast disease under field condition.

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Anti-Alternaria solani Activity of Onion (Allium cepa), Ginger (Zingiber officinale) and Garlic (Allium sativum) In vitro

Cited by 4 publications

References 15 publications

In vitro management of the early blight of tomato by various chemical Fungicides and plant products

In vitro management of the early blight of tomato by various chemical Fungicides and plant products

Regulatory framework in the European Union governing the use of basic substances in conventional and organic production

Evaluation of selected herbs for biocontrol of Rice Blast Disease

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