Enumerations on seed-borne and post-harvest microflora associated with okra [Abelmoschus esculentus (L.) Moench] and their management

Sharma, Dilip Kumar

doi:10.30574/gscbps.2019.8.2.0149

Cited by 4 publications

(3 citation statements)

References 14 publications

(14 reference statements)

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“…The hundred percent incidence of seed-borne fungi infection of Terminalia ivorensis seeds could be attributed to factors such as poor seed collection, handling and storage [26]. Majority of forest seed collectors are unaware of seed-borne fungi and therefore collect seeds from the forest floor or mix collected seeds of different parent trees together for storage [27].…”

Section: Germination Percentage Of Terminalia Ivorensis Seeds After T...mentioning

confidence: 99%

Effect of antifungal botanical extracts on seed-borne fungi prevalence and germination of Terminalia ivorensis seeds in Ghana

Prince Cobbinah,

John Doffour,

Cosmas S. Abengmeneng

et al. 2023

Magna Sci. Adv. Biol. Pharm.

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The use of synthetic fungicides for the management of seed-borne pathogens are detrimental to human health and the environment. In view of this research was conducted to assess the effect of antifungal botanical extracts (garlic, neem and Senna alata) on seed-borne fungi prevalence and seed germination of Terminalia ivorensis seeds. Two major seed-borne fungi of two genera namely Aspergillus niger and Colletotrichum sp. were isolated from the seeds. There was a hundred percent incidence of seed-borne fungi infection of Terminalia ivorensis seeds. Aspergillus niger was predominant with an incidence of 91.7% while Colletotrichum sp. had an incidence of 8.3%. There were significant differences between treatments with respect to total seed-borne fungi prevalence. Seeds treated with Senna alata aqueous extract showed the highest 100.0% prevalence of total seed-borne fungi followed by seeds treated with neem (75.0%) whilst seeds treated with aqueous garlic extract recorded the least (8.3%) total seed-borne fungi prevalence. The highest (100.0%) prevalence of Aspergillus niger was recorded by seeds treated with Senna alata whilst the least (8.3%) recorded in seeds treated with garlic. Colletotrichum sp. was only prevalent on seed treated with Mancozeb 80% WP at 8.3%. Significant variations were observed between treatments regarding germination percentages of Terminalia ivorensis seeds. Seeds treated with garlic extract recorded the highest (50.0%) germination percentage whilst the lowest (21.7%) recorded by Senna alata. Treating forest tree seeds with garlic extract before sowing could inhibit the growth of fungal pathogens and therefore improve germination.

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Section: Germination Percentage Of Terminalia Ivorensis Seeds After T...mentioning

confidence: 99%

Effect of antifungal botanical extracts on seed-borne fungi prevalence and germination of Terminalia ivorensis seeds in Ghana

Prince Cobbinah,

John Doffour,

Cosmas S. Abengmeneng

et al. 2023

Magna Sci. Adv. Biol. Pharm.

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“…Riboflavin (Vitamin B2) can likewise be produced by rhizobia and change photochemically (Lopez et al, 2019). Rhizobia has been reported to inhibit the growth of bacterial and fungal spoilage organisms affecting other crops, including soybean (Paravar et al, 2023), okra (Sharma, 2019), tomato (Adedayo et al, 2023a;Adedayo et al, 2023b), sunflower (Adeleke et al, 2021), Bambara groundnut (Ajilogba et al, 2022c), etc. Root exudates, including organic acid anions and phytosiderophores, are significant in the availability of minerals and their presence in agricultural soil (Wang et al, 2023c).…”

Section: Non-symbiotic Association Of Leguminous Plants and Rhizosphe...mentioning

confidence: 99%

Genomic mechanisms of plant growth-promoting bacteria in the production of leguminous crops

Adedayo,

Babalola

2023

Front. Genet.

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Legumes are highly nutritious in proteins and are good food for humans and animals because of their nutritional values. Plant growth-promoting bacteria (PGPR) are microbes dwelling in the rhizosphere soil of a plant contributing to the healthy status, growth promotion of crops, and preventing the invasion of diseases. Root exudates produced from the leguminous plants’ roots can lure microbes to migrate to the rhizosphere region in other to carry out their potential activities which reveals the symbiotic association of the leguminous plant and the PGPR (rhizobia). To have a better cognition of the PGPR in the rhizosphere of leguminous plants, genomic analyses would be conducted employing various genomic sequences to observe the microbial community and their functions in the soil. Comparative genomic mechanism of plant growth-promoting rhizobacteria (PGPR) was discussed in this review which reveals the activities including plant growth promotion, phosphate solubilization, production of hormones, and plant growth-promoting genes required for plant development. Progress in genomics to improve the collection of genotyping data was revealed in this review. Furthermore, the review also revealed the significance of plant breeding and other analyses involving transcriptomics in bioeconomy promotion. This technological innovation improves abundant yield and nutritional requirements of the crops in unfavorable environmental conditions.

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“…Fusarium wilt is a devastating disease caused by the soilborne fungus F. oxysporum pv. vasinfectum, which affects a wide range of crops worldwide, including okra (Kumar, 2019). The pathogen infects the root system of plants, causing yellowing, wilting, and eventual death.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of bio-control agents against fusarium wilt in okra caused by Fusarium oxysporum pv. vasinfectum

Fatima,

Amjad Ali,

Jabran

2023

Phytopathogenomics and Disease Control

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Okra (Abelmoschus esculentus) is a widely cultivated vegetable crop that is susceptible to various pathogens, including Fusarium oxysporum, which causes severe disease of wilt. Chemical control using fungicides currently poses risks to human and animal health. To find ecofriendly method, the present study aimed to compare the effectiveness of different bio-control agents (BCAs) against Fusarium wilt in Okra for eco-safe management. Okra seeds were taken from Vegetable Research Institute, Ayub Agricultural Research Institute. Disease samples were collected, and the pathogen was isolated, purified, and multiplied by using potato dextrose agar media. Pure culture was used for the isolation of DNA and amplification of the ITS region was accomplished by using ITS-1 and ITS-4 primers. The fragments were visualized by running it on 1% agarose gel. The PCR product of F. oxysporum pv. vasinfectum was successfully confirmed based on size of fragment by comparing with 1 kb marker. It was verified that the selected primer pair specifically amplified the anticipated 18S rDNA fragment, measuring 500 base pairs in length. Moreover, in-vitro tests revealed that BCAs like Bacillus spp. inhibited Fusarium fungus by 41.2%, while Trichoderma inhibited it by 38.5%. Control groups exhibited no inhibition of pathogen growth. Taken together, this effort has important implications for the implementation of biological management strategies in Okra field to mitigate the impact of Fusarium wilt disease.

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Enumerations on seed-borne and post-harvest microflora associated with okra [Abelmoschus esculentus (L.) Moench] and their management

Cited by 4 publications

References 14 publications

Effect of antifungal botanical extracts on seed-borne fungi prevalence and germination of Terminalia ivorensis seeds in Ghana

Effect of antifungal botanical extracts on seed-borne fungi prevalence and germination of Terminalia ivorensis seeds in Ghana

Genomic mechanisms of plant growth-promoting bacteria in the production of leguminous crops

Comparative study of bio-control agents against fusarium wilt in okra caused by Fusarium oxysporum pv. vasinfectum

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