Biological Control of Groundnut Root Rot in Farmer’s Field

Sharma, Pratibha; Saini, Mahesh; Deep, Swati; Kumar, Vignesh

doi:10.5539/jas.v4n8p48

Cited by 13 publications

(10 citation statements)

References 19 publications

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“…Cottonseed (genus Gossypium) is a by-product of cotton ginning, and 16-17% of its weight is cottonseed oil (Bruinsma, 2003;Sharma et al, 2012;Gupta, 2016). Cotton is cultivated in 70 countries around the world.…”

Section: Cottonseedmentioning

confidence: 99%

Production of vegetable oils in the world and in Egypt: an overview

El-Hamidi

Zaher

2018

Bull Natl Res Cent

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This article throws a light on the recent situation of oilseed as well as vegetable oil production in the world referring to those in Egypt. Over the last 30 years, the oil crop production in the world increased 240%, while the increase in area and in yield was 82 and 48%, respectively. The main oilseed produced in the world is the soybean whereby it represents more than 50% of total oil crop production in the world. Most common oilseed types which are currently available in the world are categorized in this article according to the suitability for their oils for human consumption and whether they are considered as a source of some functional ingredients. Oils which are suitable for human consumption include sunflower, canola, soybean, cottonseed, groundnut, linseed, sesame, and moringa oils. The chemical composition of these oils as well as their content of specific functional components have been summarized and compared. In addition, oilseed which yields oils unsuitable for edible purposes such as high erucic acid rapeseed, jatropha, jojoba, and castor oilseed is also assessed for its suitable uses in non-edible purposes.

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Section: Cottonseedmentioning

confidence: 99%

Production of vegetable oils in the world and in Egypt: an overview

El-Hamidi

Zaher

2018

Bull Natl Res Cent

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“…Thus, it is urgent to explore new methods to control this disease ( Ploetz, 2015 ; Pegg et al, 2019 ). Biocontrol microbes have been successfully applied in controlling soil-borne diseases, including peanut root rot ( Sharma et al, 2012 ), Fusarium root rot in wheat ( Wang et al, 2015 ), cumin wilt ( Kumar et al, 2016 ), cucumber Fusarium wilt ( Luo et al, 2019 ), and pepper root rot ( Zhang et al, 2021 ). That provides new opportunities for FWB control.…”

Section: Introductionmentioning

confidence: 99%

Construction of a compound microbial agent for biocontrol against Fusarium wilt of banana

Yang²,

Ye³

et al. 2022

Front. Microbiol.

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Banana wilt caused by Fusarium oxysporum f. sp. cubense has devastated a large number of banana plantations worldwide. Biological control is a possible method to conquer this disease. However, the control effect was often low and unstable while a single biocontrol strain had been applied in the field. Therefore, this study aimed to construct an effective compound microbial agent to control Fusarium wilt of banana (FWB) in the field. In addition to it, the compounding strategy of combining single strains for improving the control effect was investigated. Based on the compatibility test, five representative biocontrol strains were selected for the combination of all possible permutations. The pot experiment indicated that every biocontrol strain and their 26 combinations could control FWB to varying degrees. The control effect of combinations on FWB was higher than that of a single strain. In terms of the number of combinatorial biocontrol strains, the control effect of the four-strain combinations was the highest. According to the taxonomic differences of the five biocontrol strains, 26 biocontrol strain combinations could be divided into four groups. Among the strains in the combination, the larger the taxonomic differences the more easily it was to obtain a higher control effect. To obtain stable and efficient combinations, eight combinations were selected out and evaluated for their effectiveness in controlling FWB in different type soil. Compared with the other seven combinations, the four-strain combination T28 (Pt05 + Bc11 + Ba62 + gz-2) got the highest and stablest control effect in the four types of soil in greenhouse. And then the control effect of combination T28 was evaluated in field conditions, compared with commercially agents Bacillus subtilis, Trichoderma harzianum, and carbendazim. After four consecutive applications in the field, the control effect of T28 against FWB was the highest, reaching 57.14%. The results showed that combination T28 had a good application prospect, and the finding provided a reference for the construction of compound microbial agents.

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“…Collar rot caused by the fungus Aspergillus niger is one of the most damaging pathogens, causing 10% global yield losses annually (Pande and Rao 2000). In India, the world's second-largest peanut producer, 55-85% losses have been reported in some years (Sharma et al 2012). With little genetic control available, the disease is mainly managed by fungicide application, although some models Trichoderma, Pseudomonas and Bacillus showed some efficacy in biocontrol studies (Podile and Kishore 2002;Yuttavanichakul et al 2012;Patel et al 2015a;Kumari et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Induction of pre‐chorismate, jasmonate and salicylate pathways byBurkholderiasp. RR18 in peanut seedlings

Patel

Thakor

et al. 2021

J of Applied Microbiology

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Aims: To characterize the mechanisms by which bacteria in the peanut rhizosphere promote plant growth and suppress Aspergillus niger, the fungus that causes collar rot of peanut. Methods and Results: In all, 131 isolates cultured from the peanut rhizosphere were assayed for growth promotion in a seedling germination assay. The most effective isolate, RR18, was identified as Burkholderia sp. by 16S sequencing analysis. RR18 reduced collar rot disease incidence and increased the germination rate and biomass of peanut seeds, and had broad-spectrum antifungal activity. Quantitative analyses showed that RR18 induced long-lasting accumulation of jasmonic acid, salicylic acid and phenols, and triggered the activity of six defence enzymes related to these changes. Comparative proteomic analysis of treated and untreated seedlings revealed a clear induction of four abundant proteins, including a member of the pre-chorismate pathway, a regulator of clathrin-coated vesicles, a transcription factor and a hypothetical protein.Conclusion: Burkholderia sp. RR18 promotes peanut growth and disease resistance, and stably induces two distinct defence pathways associated with systemic resistance. Significance and Impact of the Study: This study demonstrates that a strain of the Burkholderia cepacia complex can elicit both salicylic-and jasmonic-acidmediated defences, in addition to having numerous other beneficial properties.

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Biological Control of Groundnut Root Rot in Farmer’s Field

Cited by 13 publications

References 19 publications

Production of vegetable oils in the world and in Egypt: an overview

Production of vegetable oils in the world and in Egypt: an overview

Construction of a compound microbial agent for biocontrol against Fusarium wilt of banana

Induction of pre‐chorismate, jasmonate and salicylate pathways byBurkholderiasp. RR18 in peanut seedlings

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