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Role of plant growth promoting microbes in the control of fungal foliar diseases of tomato under protected cultivation

Hegde, Gurudatt M. ; Malligawad, Lokanath H. ; Sreenivasa, M. N. ; Chetri, Bimal K.

Egyptian Journal of Biological Pest Control, 2022-12, Vol.32 (1), p.1-10, Article 105 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Role of plant growth promoting microbes in the control of fungal foliar diseases of tomato under protected cultivation
Autor: Hegde, Gurudatt M. ; Malligawad, Lokanath H. ; Sreenivasa, M. N. ; Chetri, Bimal K.
Assuntos: Agricultural research ; Airborne microorganisms ; Bacteria ; Biological control ; Biomedical and Life Sciences ; Blight ; Chemical properties ; Control ; Cultivation ; Dipping ; Diseases and pests ; Early blight ; Foliar diseases ; Fruit cultivation ; Fungal diseases of plants ; Fungal foliar diseases ; Fungi ; Health services ; Intervals ; Leafspot ; Life Sciences ; Microorganisms ; Parameters ; Pests ; Plant diseases ; Plant growth ; Powdery mildew ; Protected condition ; Pseudomonas fluorescens ; Seed treatments ; Seedlings ; Spraying ; Sustainable yield ; Tomato ; Tomatoes ; Zoology
É parte de: Egyptian Journal of Biological Pest Control, 2022-12, Vol.32 (1), p.1-10, Article 105
Descrição: Background This study was conducted to assess the effectiveness of plant growth-promoting microbes on the foliar disease of organic tomatoes under protected cultivation. The biological control agents, viz., Trichoderma harzianum ( T. harzianum ), Bacillus subtilis ( B. subtilis ), and Pseudomonas fluorescens ( P. fluorescens ) , used seed treatment, seedling dip, and spray separately in sequence with the plot size of (2.5 × 1 m) and the spacing of (45 × 60 cm). The observations on percentage disease yield and plant growth parameters were assessed, and economics was calculated. Tukey's HSD at p < 0.05 was used to compare all means among treatments. Results The results showed that seed treatment with B. subtilis at 5 g, followed by a seedling dip with B. subtilis at 10 g l −1 and spray with B. subtilis at 5 g l −1 four times at 15 days intervals significantly ( p < 0.05) reduced the tomato diseases early blight, septoria leaf spot, and powdery mildew ( T 2). These results were comparable to seed treated with P. fluorescens at 5 g l −1 , followed by a seedling dipping with P. fluorescens at 10 g l −1 and spraying with P. fluorescens at 10 g l −1 four times at 15-day intervals ( T 3). Except for T 1, plant parameters, yields, net returns, and benefits were significantly higher ( p < 0.05) than the untreated control ( T 8). Conclusion The applications of B. subtilis and P. fluorescens as plant growth-promoting microbes had a considerable scope for managing fungal foliar (multiple) diseases and achieving sustainable yields under the protected cultivation of organically grown tomatoes.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Role of plant growth promoting microbes in the control of fungal foliar diseases of tomato under protected cultivation

Hegde, Gurudatt M. ; Malligawad, Lokanath H. ; Sreenivasa, M. N. ; Chetri, Bimal K.

Berlin/Heidelberg: Springer Berlin Heidelberg

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