Conventional seed coating reduces prevalence of proteobacterial endophytes in Nicotiana tabacum

Chen, Xiaoyulong; Krug, Lisa; Yang, Maofa; Berg, Gabriele; Cernava, Tomislav

doi:10.1016/j.indcrop.2020.112784

Cited by 20 publications

(15 citation statements)

References 45 publications

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“…By delivering materials such as micronutrients and crop protection agents such as pesticides, seed‐coating is an effective way to prevent seed‐ and soil‐borne diseases, and underground and even aboveground pests that attack seedlings. Because it significantly reduces the amount of pesticides required and increases the efficiency of disease control, coating has become a gold standard seed treatment in China 2–4 . Moreover, the coating formula improves plant cultivation by forming an artificial outer layer or surface film, coloring and pelleting 5 .…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, the coating formula improves plant cultivation by forming an artificial outer layer or surface film, coloring and pelleting 5 . This enhances seed quality and germination, 6 early plant establishment, and abiotic stress alleviation 7 by altering the shape, weight and surface texture of the seed, improving seed–soil contact or manipulating imbibition (the absorption of water in soil) 4,8,9 . More importantly, seed‐coating greatly reduces pesticide applications and therefore environmental pollution.…”

Section: Introductionmentioning

confidence: 99%

“…Because it significantly reduces the amount of pesticides required and increases the efficiency of disease control, coating has become a gold standard seed treatment in China. [2][3][4] Moreover, the coating formula improves plant cultivation by forming an artificial outer layer or surface film, coloring and pelleting. 5 This enhances seed quality and germination, 6 early plant establishment, and abiotic stress alleviation 7 by altering the shape, weight and surface texture of the seed, improving seed-soil contact or manipulating imbibition (the absorption of water in soil).…”

Section: Introductionmentioning

confidence: 99%

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Tracking pesticide exposure to operating workers for risk assessment in seed coating with tebuconazole and carbofuran

Han

Huang

et al. 2021

Pest Management Science

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BACKGROUND Coating seed with pesticides is an effective way to control plant pests, however, factory‐based coating processes may carry a potential risk to operational workers of chemical exposure. To study the risk, carbofuran and tebuconazole were used to coat corn seed and their subsequent distribution on the bodies of workers was measured at manufacturers XFS and LS (Shanxi, China). Clothing was collected from workers during operations and analyzed using high‐performance liquid chromatography. RESULTS At XFS, dermal exposure to carbofuran was 4.83, 3.31 and 1.48 mg kg−1, and exposure to tebuconazole was 6.88, 5.16 and 1.72 mg kg−1 for coating, packing and transport workers, respectively. At LS, dermal exposure to carbofuran was 2.32, 0.46 and 0.55 mg kg−1, and exposure to tebuconazole was 1.69, 0.46 and 0.70 mg kg−1, for coating, packing and transport workers, respectively. The level of pesticide exposure was significantly higher for seed‐coating workers than for packing and transport workers. The main area of exposure was the hands for all workers and the lower limbs for packers; exposure was relatively uniform for pesticide handlers. Occupational risk was assessed based on margin of exposure (MOE). In seed‐coating, the MOE was greater than 100 for tebuconazole, indicating no potential risk, but ranged from 0.25 to 2.88 for carbofuran, indicating the risk of a health impact. CONCLUSION The level of exposure varied depending on type of operation undertaken and body parts of workers' body, but the risk of a health impact was highly associated with pesticide toxicity. This provides a guideline for workers in pesticide manufacturing to ensure safe operation of the seed‐coating process. © 2021 Society of Chemical Industry

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tracking pesticide exposure to operating workers for risk assessment in seed coating with tebuconazole and carbofuran

Han

Huang

et al. 2021

Pest Management Science

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“…Indeed, seed microbiome is affected by several phenomena including (i) treatments carried out on the seeds (disinfection, osmopriming); (ii) seed centralized production leading to a homogenization of plant microbiomes on a global scale and ultimately to an impoverishment of microbiobial diversity within agroecosystems. Chen et al (2020) also consider that seed microbiome -reservoir of beneficial microorganisms -is susceptible to being impacted by agricultural practices, i.e., in the case of their biological model -Nicotiana tabacum -including the seed microbiome seed that is impacted by the widely used seed coating technique.…”

Section: Depletion Of the Seed Microbiomementioning

confidence: 99%

Combining the Seed Endophytic Bacteria and the Back to the Future Approaches for Plant Holonbiont Breeding

L'Hoir

Duponnois

2021

Front. Agron.

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Given the limits of intensive agriculture (pollution, degradation of biodiversity, or soil desertification), it is necessary to develop sustainable alternatives to respond to future agricultural demand. Among these sustainable alternatives is the use of microbial biostimulants. Despite convincing scientific studies on them, their agricultural use remains minor. This can be explained by the lack of efficiency and reliability of their use. This review proposes to develop efficient microbial biostimulants based on the combination of two approaches, namely that of endophytic bacteria from seeds and the Back to the Future approach. Seed endophytic bacteria have a major agroindustrial potential insofar as they stand out from other microbial agents by their resistance, competitiveness, efficiency, and vertical transmission. Contrary to modern cultivars, non-domesticated plants harbor microbiomes which have not been impacted by the processes of domestication and agriculture intensification. The Back to the Future suggests therefore to use interesting microorganisms isolated from non-domesticated plants and to integrate them into modern cultivars. This could result in the rehabilitation of modern microbiomes and lead to make crop cultures more resistant and resilient. The idea consisting in the combination of both approaches aims at obtaining optimized microbiomes. Particular emphasis is placed on integrating these innovative microbiomes into variety breeding programs. Indeed, given the importance of plant-microorganism interactions, particularly from an agronomic point of view, taking the hologenome into account as a unit of selection in breeding programs is essential. This integrative and unprecedented approach to designing breeding programs is promising with a view to reconciling productivity and preservation of agroecosystems.

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“…In addition to climatic factors, agricultural management and especially agrochemical inputs were identified as major drivers of microbiome shifts (Wang and Cernava, 2020). Commonly applied agricultural practices can affect up to 50% of naturally occurring microorganisms in crop plants (Chen et al, 2020). A better understanding of microbiome responses to environmental changes and host adaption will contribute to the development of new management strategies that will improve plant stress tolerance and increase plant productivity via targeted microbiota modulation (Figure 1).…”

Section: Editorial On the Research Topic Novel Insights Into The Response Of The Plant Microbiome To Abiotic Factorsmentioning

confidence: 99%

Editorial: Novel Insights Into the Response of the Plant Microbiome to Abiotic Factors

et al. 2021

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Conventional seed coating reduces prevalence of proteobacterial endophytes in Nicotiana tabacum

Cited by 20 publications

References 45 publications

Tracking pesticide exposure to operating workers for risk assessment in seed coating with tebuconazole and carbofuran

Tracking pesticide exposure to operating workers for risk assessment in seed coating with tebuconazole and carbofuran

Combining the Seed Endophytic Bacteria and the Back to the Future Approaches for Plant Holonbiont Breeding

Editorial: Novel Insights Into the Response of the Plant Microbiome to Abiotic Factors

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