GROWTH PROMOTION OF GENETICALLY IMPROVED Pinus taeda SEEDLINGS BY INOCULATION WITH SPECIES OF Bacillus.

Kondo, Yanka Rocha; Primon, Alair Paulo; Fioreze, Ana Carolina da Costa Lara; Cruz, Sonia Purin da

doi:10.1590/01047760202026042757

Cited by 2 publications

(2 citation statements)

References 26 publications

(24 reference statements)

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“…The use of rhizobacteria has also been reposted for some forest species. The inoculation of Azospirillum brasilense, Bacillus subtilis, and B. megaterium enhances the growth of the primary root and increases the levels of phosphorus and nitrogen in Araucaria angustifolia seedlings (Kondo et al, 2020). Campos et al ( 2023) identified that the inoculation of Bacillus subtilis led to more significant growth and improved quality of Euterpe oleracea Mart.…”

Section: Discussionmentioning

confidence: 99%

“…authors reported positive results regarding growth promotion plant improvement of different species with Bacillus subtilis and Bacillus megaterium (Kondo et al, 2020;Santos et al,2021;Campos et al, 2023), Bacillus amyloliquefaciens (Zhao et al, 2016;Rios et al, 2018;Gamez et al, 2019) and Azospirillum brasilense (Gonzalez et al, 2018;Kondo et al, 2020).…”

Section: Severalmentioning

confidence: 99%

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Rhizobacteria increase the growth and quality of Handroanthus chrysotrichus (Mart. ex DC.) Mattos seedlings

Campos,

Vieira,

Souza

et al. 2024

RARV

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Handroanthus chrysotrichus (Mart. ex DC.) Mattos, popularly known as the golden trumpet tree, is a native tree of Brazil with exuberant flowering. It is used for urban afforestation and reforestation of degraded areas, and its wood is destined for several purposes. In order to develop vigorous plants after planting, it is essential to produce high-quality seedlings, which can be obtained using rhizobacteria. As renewable sources, rhizobacteria exhibit growth-promoting properties, facilitate nutrient uptake and/or solubilization, and contributes to the production of phytohormones, while also serving as pathogen controllers and mitigators of abiotic stress. These attributes collectively enable the establishment of a sustainable production system for producing vigorous and rapidly growing seedlings. This study aimed to evaluate the effect of plant growth-promoting rhizobacteria in the production of H. chrysotrichus seedlings. The experimental design followed a completely randomized setup. The treatments consisted of microorganisms (Bacillus subtilis, Bacillus megaterium, Bacillus amyloliquefaciens, and Azospirillum brasilense) plus the absence of microorganisms - control; four repetitions and ten plants-per-plot. The parameters evaluated were shoot height; stem diameter; root length; shoot, root, and total dry matter; leaf number and leaf area, as well as chlorophyll content; minimum and maximum fluorescence; and maximum quantum efficiency of photosystem II; shoot height/stem diameter ratio and Dickson’s Quality Index. The B. amyloliquefaciens inoculation promoted an increase in seedling shoot height, stem diameter, root length, leaf area, shoot, root, and total dry matter and also increased the Dickson Quality Index. It can be concluded that B. amyloliquefaciens is the most efficient inoculant for producing golden trumpet tree seedlings, followed by A. brasilense.

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Section: Discussionmentioning

confidence: 99%