Effects of plant growth-promoting rhizobacteria on organic lettuce production

Malkoclu, M.C.; Tüzel, Yüksel; Özteki̇n, Gölgen Bahar; Özaktan, Hatice; Yolageldi, L.

doi:10.17660/actahortic.2017.1164.34

Cited by 6 publications

(2 citation statements)

References 24 publications

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“…Different Bacillus strains have been used to improve the germination of lettuce seeds. Malkoclu [44] found that a B. subtilis strain had a germination rate of 92%, and with a consortium between B. subtilis and P. fluorescens, the germination was 89.3%. However, there are bacterial strains such as Azospirillum sp., Enterobacter cloacae, Pseudomonas aeruginosa, and Pseudomonas cepacia that, when are inoculated into lettuce seeds, decrease germination [45].…”

Section: Discussionmentioning

confidence: 99%

Isolation and Characterization of Plant Growth-Promoting Compost Bacteria That Improved Physiological Characteristics in Tomato and Lettuce Seedlings

et al. 2021

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Currently, agricultural systems are inadequate to meet the demand of the population, coupled with the constant degradation of natural resources. Therefore, it is necessary to explore alternatives to increase the productivity and quality of crops with minimal environmental impact. The use of plant growth-promoting bacteria can provide solutions to some agri-environmental problems and replace or minimize conventional agricultural practices. In this study, a Bacillus pumilus strain with plant growth-promoting properties was isolated from mature compost. In vitro, the ability of Bacillus pumilus to solubilize phosphate, inhibit the growth of phytopathogenic fungi, and its effect on the germination of tomato and lettuce seeds was evaluated. In vivo, its effect on stem thickness, height, and the number of leaves of tomato and lettuce seedlings was studied. The results show that, in vitro, Bacillus pumilus solubilizes phosphate, inhibits the growth of the fungus Fusarium oxysporum, and increases the germination percentage of tomato seeds. The results, in vivo, demonstrate that the bacteria increases the stem thickness of tomato seedlings, while, in lettuce, it increases the stem thickness and the number of leaves. The outcome implies that Bacillus pumilus has properties as a plant growth promoter and can be used as a promising inoculant to enhance the growth of tomato and lettuce seedlings.

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Section: Discussionmentioning

confidence: 99%

Isolation and Characterization of Plant Growth-Promoting Compost Bacteria That Improved Physiological Characteristics in Tomato and Lettuce Seedlings

et al. 2021

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“…By applying individual inoculants of Bacillus, Brevibacillus, and Rhizobium, the macro-and micronutrient content in broccoli was improved [9]. Bacillus and Pseudomonas improved the biomass of lettuce seedlings [10]. Similarly, other crops such as spinach and flax, also exhibited improvements after treatment with Azotobacter, Bacillus, or AMF [11,12].…”

Section: Bacillus In Horticultural Cropsmentioning

confidence: 99%

Genetically Modified Plants Based on Bacillus Genes and Commercial Bacillus-Based Biopesticides for Sustainable Agriculture

Ortiz,

Sansinenea

2023

Horticulturae

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Due to the increase in the global population, there is an urgent call to enhance the crop production through sustainable agriculture. Biological control is a possible solution. There are many examples of biological control agents applied to different crops that have improved their yield or quality, including vegetable and fruit crops and ornamental plants. The Bacillus species have been used as powerful tools since they suppress plant pathogens and promote plant growth as well. During the last five decades, B. thuringiensis has been used as biopesticide in several crops. However, it has some disadvantages such as its instability under field conditions due to sunlight; therefore, frequent applications are necessary, making its use more expensive. To solve this problem, genetically modified crops have been employed to allow the plant to express the toxin in the whole plant. Genetic engineering is a method used to make changes in the genetic material of an organism using scientific techniques. Therefore, genetic engineering opens up opportunities for creating genetically modified plants to increase crop yields and avoid pests. Genetically modified (GM) crops have been cultivated during the last three decades. Transgenic plant technology can be used to address global food scarcity, particularly in developing countries. Genetically modified organisms are a controversial topic that needs to be considered more carefully. Many toxicology studies have confirmed that Bt microbial formulations are safe for consumption. In this review, we will revise the application of Bacillus genes and Bacillus formulations to crops and their safety for human health to provide a more comprehensive understanding of this topic.

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Impact of Biofertilizers on Horticultural Crops

Wong

Teh

2021

Biofertilizers

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Effects of plant growth-promoting rhizobacteria on organic lettuce production

Cited by 6 publications

References 24 publications

Isolation and Characterization of Plant Growth-Promoting Compost Bacteria That Improved Physiological Characteristics in Tomato and Lettuce Seedlings

Isolation and Characterization of Plant Growth-Promoting Compost Bacteria That Improved Physiological Characteristics in Tomato and Lettuce Seedlings

Genetically Modified Plants Based on Bacillus Genes and Commercial Bacillus-Based Biopesticides for Sustainable Agriculture

Impact of Biofertilizers on Horticultural Crops

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