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Bacterial Formulations in Induction of Resistance and Growth Promotion of Tomato Plants

Author

Listed:
  • José R. M. Campos Neto
  • Rafael Ribeiro Chaves
  • Diogo Herison Silva Sardinha
  • Luiz Gustavo de Lima Melo
  • Antônia Alice Costa Rodrigues

Abstract

The objective of this work was to evaluate the effectiveness of seed treatment with fresh suspensions and powder formulations with Bacillus methylotrophicus to promote plant growth and induction of resistance against fusarium wilt (Fusarium oxysporum f. sp. lycopersici) in tomato plants under greenhouse conditions, verifying the occurrence of morphological and biochemical changes in the evaluated plants. Powder formulations based on Cassava (Manihot esculenta), Arrowroot (Maranta arundinacea) and sodium alginate containing Bacillus, in addition to the commercial product Quartz®, were used to microbiolize the tomato seeds of the cultivar Santa Cruz. The formulations promoted plant growth, with a seedling vigor index greater than 50% for all treatments containing B. mthylotrophicus, in addition to a significant increase in total dry matter. The treatments induced systemic resistance, controlling the fusarium wilt with a 75% reduction of the disease and activation of enzymes such as peroxidase and polyphenoloxidase, only β-1,3-glucanase presented less activity than controls (treatments without B. mthylotrophicus). Thus, the use of formulations containing Bacillus are efficient in promoting plant growth of tomato plants and in inducing resistance to the control of fusarium wilt.

Suggested Citation

  • José R. M. Campos Neto & Rafael Ribeiro Chaves & Diogo Herison Silva Sardinha & Luiz Gustavo de Lima Melo & Antônia Alice Costa Rodrigues, 2024. "Bacterial Formulations in Induction of Resistance and Growth Promotion of Tomato Plants," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 10(10), pages 493-493, April.
    • Handle: RePEc:ibn:jasjnl:v:10:y:2024:i:10:p:493
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    References listed on IDEAS

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    1. Lamia Boukerma & Messaoud Benchabane & Ahmed Charif & Lakhdar Khélifi, 2017. "Activity of plant growth promoting rhizobacteria (PGPRs) in the biocontrol of tomato Fusarium wilt," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 53(2), pages 78-84.
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      JEL classification:

      • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
      • Z0 - Other Special Topics - - General

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