Effect of inoculation of zinc-resistant bacterium Enterobacter ludwigii CDP-14 on growth, biochemical parameters and zinc uptake in wheat (Triticum aestivum L.) plant

Singh, Raju; Mishra, Somesh; Raghuvanshi, Smita; Jha, Pallavi

doi:10.1016/j.ecoleng.2017.12.033

Cited by 34 publications

(15 citation statements)

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“…This is because chlorophyll b absorbs energy at wavelengths greater than chlorophyll a in plants under shade (Gonç alves et al, 2001;Taiz & Zeiger, 2017). The increase in chlorophyll has also been reported in Trichloris crinite grown under shade (Cavagnaro & Trione, 2007), Triticum aestivum L. (Singh et al, 2018), and Cicer arietinum L. with biostimulants (Khan et al, 2019).…”

Section: Journal Of Agricultural Studiessupporting

confidence: 57%

“…Biostimulants are also beneficial in mitigating other effects of abiotic stresses, by increase the photosynthetic pigments, carbohydrates, proteins concentrations, and total biomass (Lopes et al, 2021), as related in Cicer arietinum L. (Khan et al, 2019) and Triticum aestivum L. (Singh et al, 2018) both under drought. Our results showed that the biostimulants attenuated the effect of shading by the accumulation of sugars, resulting in a higher concentration of starch, carbohydrate, and nitrogen, increasing biomass production.…”

Section: Journal Of Agricultural Studiesmentioning

confidence: 99%

“…Biostimulants can mitigate the deleterious effects of shade in Solanum quitoense Lam. (Casierra-Posada et al, 2013); heavy metals contamination of soil in Triticum aestivum L. (Singh et al, 2018); water stress in Cicer arietinum L. (Khan et al, 2019); and saline stress in Arachis hypogaea and Zea mays (Abbas et al, 2019). However, environmental factors, in addition to affecting plant growth, can also affect biostimulants efficiency, as the cost of maintaining symbiosis can outweigh its benefits, turning microorganisms into parasites, slowing plant growth (Odokonyero et al, 2016;Lopes et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Efficiency of Biostimulants for Alleviating Shade Effects on Forage Grass

Lopes¹,

Dias‐Filho²,

Castro³

et al. 2021

JAS

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Shade is considered an abiotic stress factor which reduce the primary metabolism and restricts normal growth in forage grass in integrated systems. Biostimulants are beneficial in promoting growth and protecting plants against environmental stresses. This is the first study that links biostimulants and the primary metabolism of plants grown under contrasting light intensities. We investigated how the use of biostimulants modifies the primary metabolism, reducing the deleterious effects of shading in the development of tropical forage grass Brachiaria brizantha cv. BRS Piatã. The association of Pseudomonas fluorescens and Burkholderia pyrrocinia, inoculated by soil drench, were used as biostimulants. We measured leaf anatomy, plant growth, and biochemical parameters. The use of biostimulants increased the shade tolerance on B. brizantha by modifying leaf structure, increasing the chlorophyll content, and inducing the production of osmoregulants, such as carbohydrates and proteins. In turn, increasing the accumulation of primary metabolites, promoted root development, plant height, and leaf area, resulting in more vigorous plants with greater biomass production. These results suggested that forage grass can be protected from inhibitory effects of the shade stress by the biostimulants, and this would improve its survival and growth in integrated crop-livestock-forestry systems.

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Section: Journal Of Agricultural Studiessupporting

confidence: 57%

Section: Journal Of Agricultural Studiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Efficiency of Biostimulants for Alleviating Shade Effects on Forage Grass

Lopes¹,

Dias‐Filho²,

Castro³

et al. 2021

JAS

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“…Therefore, we can conclude that the use of vegetal-PHs and plant extracts can determine the enrichment of epiphytic bacteria related to Enterobacter/Pantoea group (Figure 1), and that this effect can be enhanced combining these products with copper. Interestingly, Enterobacter/Pantoea group includes beneficial bacteria with PGP traits and biological control against phytopathogens (Taghavi et al, 2009; Madhaiyan et al, 2010; Dutkiewicz et al, 2016; Singh et al, 2018), as well as strains having the ability to interfere with the quorum-sensing which control biofilm and EPS formation in some food-borne pathogens, such as Yersinia enterocolitica (Gopu et al, 2016). The ability of copper-tolerant bacteria to promote plant growth was also observed by Liu et al (2014) analyzing bacteria isolated from mine tailings.…”

Section: Discussionmentioning

confidence: 99%

Foliar Application of Vegetal-Derived Bioactive Compounds Stimulates the Growth of Beneficial Bacteria and Enhances Microbiome Biodiversity in Lettuce

et al. 2019

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Many studies on plant biostimulants and organic fertilizers have been focused on the ability of these products to increase crop productivity and ameliorate crop tolerance to abiotic stresses. However, little information is available on their effect on plant microbiota, whereas it is well known that microorganisms associated with plant play crucial roles on the health and productivity of their host. The aim of this study was to evaluate the effect of a vegetal-derived protein hydrolysate (PH), a vegetal-derived PH enriched with copper (Cu-PH), and a tropical plant extract enriched with micronutrients (PE) on shoot growth and the epiphytic bacterial population of lettuce plants and the ability of these products to enhance the growth of beneficial or harmful bacteria. The three plant-derived products enhanced shoot biomass of lettuce plants indicating a biostimulant effect of the products. Data obtained using culture-independent (Terminal Restriction Fragment Length Polymorphism and Next Generation Sequencing) and culture-dependent approaches indicated that foliar application of commercial products altered the composition of the microbial population and stimulated the growth of specific bacteria belonging to Pantoea, Pseudomonas, Acinetobacter, and Bacillus genus. Data presented in this work demonstrated that some of these strains exhibited potential plant growth-promoting properties and/or biocontrol activity against fungi and bacteria phytopathogens including Fusarium, Trichoderma, and Erwinia species. No indication of potential health risks associated to the enrichment of human or plant bacterial pathogens emerged by the analysis of the microbiota of treated and no-treated plants. Overall, the findings presented in this study indicate that the commercial organic-based products can enhance the growth of beneficial bacteria occurring in the plant microbiota and signals produced by these bacteria can act synergistically with the organic compounds to enhance plant growth and productivity.

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“…Inoculation of Enterobacter ludwigi strains increased zinc concentration to various degrees in shoots and roots of wheat plants. In wheat shoots, a maximum increase of 82.12% in the Zn concentration was observed (p < 0.01) compared to the uninoculated control (Singh et al 2018). Płociniczak et al (2016) showed that the metal-tolerant Brevibacterium casei strain (MH8a) increased the accumulation of Zn in white willow (S. alba) shoots and roots.…”

Section: Zinc Biofertilizersmentioning

confidence: 96%

Microbial Biofertilizers and Micronutrients Bioavailability: Approaches to Deal with Zinc Deficiencies

Waqeel

Khan

2021

Microbial Biofertilizers and Micronutrient Availability

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Micronutrients like boron, iron, manganese, zinc, and copper, although required in small quantities, are essential for plant health and growth. Excessive use of chemical fertilizers to meet the food demand is resulting in nutrient imbalances in soil, plants, and humans leading to environmental and health problems. Use of biofertilizers is an effective, economical, and sustainable approach to tackle the problem of nutrient imbalance. Biofertilizers help in maintaining the micronutrients in soil and making them available to plants. Zinc malnutrition is one of the biggest problems, as its biological consequences are severe and some of the estimates by international organizations are alarming. According to the Food and Agriculture Organization (FAO) of United Nations, 50% of the world's cereal soils are deficient in zinc. The World Health Organization estimates that approximately 800,000 people, mainly children under the age of 5, die annually due to the health complications caused by zinc deficiency. Zinc deficiency affects about 2 billion people worldwide. Various approaches are being used to combat the zinc deficiency such as increasing bioavailability of Zn to plants resulting in Zn biofortification of crops, use of supplements, and food fortification. To increase the Zn content of the plants, various strategies are used such as application of chemical fertilizers (soil and foliar spray), use of biofertilizers, and use of genetic engineering and plant breeding approaches. This chapter discusses some of the strategies used for the Zn biofortification of cereal crops.

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Effect of inoculation of zinc-resistant bacterium Enterobacter ludwigii CDP-14 on growth, biochemical parameters and zinc uptake in wheat (Triticum aestivum L.) plant

Cited by 34 publications

References 71 publications

Efficiency of Biostimulants for Alleviating Shade Effects on Forage Grass

Efficiency of Biostimulants for Alleviating Shade Effects on Forage Grass

Foliar Application of Vegetal-Derived Bioactive Compounds Stimulates the Growth of Beneficial Bacteria and Enhances Microbiome Biodiversity in Lettuce

Microbial Biofertilizers and Micronutrients Bioavailability: Approaches to Deal with Zinc Deficiencies

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