Cited by 398Plant-Microbe Interactions and ImmunityPlant Disease Management TechniquesPowdery Mildew Fungal Diseases

Induction of Systemic Resistance in Plants by Biochar, a Soil-Applied Carbon Sequestering Agent

Elad, Yigal, David, Dalia Rav, Harel, Yael Meller, Borenshtein, Menahem, Kalifa, Hananel Ben, Silber, Avner, Graber, Ellen R.·2010·Phytopathology

Abstract

Biochar is the solid coproduct of biomass pyrolysis, a technique used for carbon-negative production of second-generation biofuels. The biochar can be applied as a soil amendment, where it permanently sequesters carbon from the atmosphere as well as improves soil tilth, nutrient retention, and crop productivity. In addition to its other benefits in soil, we found that soil-applied biochar induces systemic resistance to the foliar fungal pathogens Botrytis cinerea (gray mold) and Leveillula taurica (powdery mildew) on pepper and tomato and to the broad mite pest (Polyphagotarsonemus latus Banks) on pepper. Levels of 1 to 5% biochar in a soil and a coconut fiber-tuff potting medium were found to be significantly effective at suppressing both diseases in leaves of different ages. In long-term tests (105 days), pepper powdery mildew was significantly less severe in the biochar-treated plants than in the plants from the unamended controls although, during the final 25 days, the rate of disease development in the treatments and controls was similar. Possible biochar-related elicitors of systemic induced resistance are discussed.

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Crossref · 10.1094/phyto-100-9-0913

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Authors
Elad, Y., David, D. R., Harel, Y. M., Borenshtein, M., Kalifa, H. B., Silber, A., & Graber, E. R.
Affiliations
Agricultural Research Organization (IL)
Venue
Phytopathology
Published
2010-09
Volume
100
Issue
9
Pages
913-921
ISSN
  • 0031-949X (ISSN-L)
  • 1943-7684
OpenAlex
W2099146272
Cited by
398
References
64
Citations by year
2026: 23 · 2025: 22 · 2024: 27 · 2023: 43 · 2022: 26 · 2021: 38 · 2020: 33 · 2019: 23 · 2018: 17 · 2017: 22 · 2016: 25 · 2015: 30 · 2014: 20 · 2013: 21 · 2012: 11
FWCI
18.41
Type
journal article
Language
en
Open access
closed
Locations
  • Phytopathology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Disease Management Techniques
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Powdery Mildew Fungal Diseases
Keywords
biochar, induced systemic resistance, plant disease resistance, Botrytis cinerea, Leveillula taurica, Polyphagotarsonemus latus, pepper, tomato, plant pathogenic fungi, broad mite, soil amendment, carbon sequestration, elicitors
MeSH terms
Capsicum, Carbon, Charcoal, Fungi, Pest Control, Biological, Plant Diseases, Soil, Soil Microbiology, Time Factors, Plant Leaves, Solanum lycopersicum

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