Effectiveness of a single and a mixture treatments of rhizobacteria in increasing the growth and yield of hot pepper (Capsicum annuum L.)

Rakian, Tresjia Corina; Sutariati, Gusti Ayu Kade; Rahni, Nini Mila; Wibawa, Gusti Ngurah Adhi; Mudi, La

doi:10.1088/1755-1315/977/1/012044

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…Application of rhizobacteria has been reported to increase plant growth [39][40]. It was further reported that the application of a combination of rhizobacteria increased the growth of chili plants and chili plant production by 90 % when compared to the control [41]. Application of the endophytic bacterial consortium Bacillus sp.…”

Section: B the Growth Of Pepper Seedlingsmentioning

confidence: 99%

Application of Rhizobacteria to Control Phytophthora capsici Disease Causes Stem Base Rot and Increase Growth of Pepper Seedlings In-Vivo

Mudi,

Abidin,

Manullang

et al. 2024

IJ-FANRES

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One of the obstacles to pepper production is the high intensity of plant disease attacks. One of them is stem rot disease caused by the fungus Phytophthora capsici. Therefore, appropriate technology is needed that can control disease and at the same time increase plant growth by using rhizobacteria which are environmentally friendly, and can produce growth hormones, dissolve phosphate, and fix nitrogen. This research aims to obtain rhizobacteria isolates that can control the pathogen P. capsici which causes root rot disease, while also being able to increase plant growth. This research was carried out at the Agronomy Laboratory of the Plantation Plant Cultivation Study Program, Samarinda State Agricultural Polytechnic. The research used a completely randomized design consisting of 4 treatments with 4 replications to obtain 16 experimental units. Variables observed included the latent period, disease incidence and severity, increase in plant height, number of leaves, and stem diameter. The resulting data was analyzed using analysis of variance (ANOVA). The results of the analysis showing a real effect were followed by the Least Significant Difference test (BNT)α=0.05. The results of the research showed that the application of a combination of rhizobacteria was able to overcome stem rot disease and at the same time increased the growth of pepper plant seedlings. The combination of rhizobacteria isolates P01 + TA2 treatment can reduce the latent period of disease to 12.00 days compared to 5.50 days without rhizobacteria, the disease incidence rate is 6.25% with a severity level of 2.50%, lower than without treatment (control) at 37.50 % (disease incidence) and 47.50% (disease severity). Apart from that, the combination of rhizobacteria isolates P01 + TA2 was able to increase the growth of pepper plant seeds as shown by observing the increase in plant height, number of leaves, and stem diameter

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Section: B the Growth Of Pepper Seedlingsmentioning

confidence: 99%

Application of Rhizobacteria to Control Phytophthora capsici Disease Causes Stem Base Rot and Increase Growth of Pepper Seedlings In-Vivo

Mudi,

Abidin,

Manullang

et al. 2024

IJ-FANRES

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“…plants through the inoculation of Bacillus sp. CKD061 and B. subtilis CBMT2, respectively43,44 . Likewise, the total fresh weight of C. annuum cv.…”

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confidence: 99%

Drought stress tolerance and growth promotion in chiltepin pepper (Capsicum annuum var. glabriusculum) by native Bacillus spp

Mendoza-Alatorre,

Infante-Ramírez,

González-Rangel

et al. 2023

Preprint

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Chiltepin is a semi-cultivated plant of high commercial value and represents a valuable genetic resource. However, several factors, such as drought, limit its production. Treatment with plant growth-promoting bacteria (PGPBs) is an alternative to mitigate drought stress. The present study aimed to evaluate the capacity of Bacillus spp, isolated from soils, to promote growth and induce tolerance to drought stress in chiltepin. A completely random design was established, and the Scott-Knott test was used (α = 0.05). The treated seeds improved germination parameters with increases of 46.42% in Germination Rate (GR), 22.56% in Mean Speed of Germination (MSG), 22.19% in Germination Speed Index (GSI), 65.16% in Vigor Index (VI), and 100.14% in Germination Index (GI). Furthermore, they reduced MGT (Mean Germination Time) by 5.63%. All isolates could solubilize phosphorus and zinc and produce ammonium, siderophores, and exopolysaccharides. Moreover, Bacillus spp. isolates showed resistance to drought at -1.75 MPa. Likewise, the treatments improved in vitro survival of stressed seedlings by 68%. Under greenhouse conditions, treated seedlings exhibited increases in root length (9.6%), stem diameter (13.68%), leaf fresh weight (69.87%), and chlorophyll a (38.15%). They also alleviated severe water stress symptoms and increased Relative Water Content (RWC) by 51%. Isolate Bc25-7 showed the highest potential for promoting growth, enduring water stress, and lessening the drought effect on chiltepin seedlings.

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Enhancing drought stress tolerance and growth promotion in chiltepin pepper (Capsicum annuum var. glabriusculum) through native Bacillus spp.

Mendoza-Alatorre,

Infante-Ramírez,

González-Rangel

et al. 2024

Sci Rep

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The drought can cause a decrease in food production and loss of biodiversity. In northern Mexico, an arid region, the chiltepin grows as a semi-domesticated crop that has been affected in its productivity and yield. An alternative to mitigate the effect of drought and aid in its conservation could be using Plant Growth-Promoting Bacteria (PGPB). The present study evaluated the capacity of native Bacillus spp., isolated from arid soils, as PGPBs and drought stress tolerance inducers in chiltepin under controlled conditions. Chiltepin seeds and seedlings were inoculated with native strains of Bacillus spp. isolated from arid soils, evaluating germination, vegetative, and drought stress tolerance parameters. The PGPBs improved vegetative parameters such as height, stem diameter, root length, and slenderness index in vitro. B. cereus (Bc25-7) improved in vitro survival of stressed seedlings by 68% at −1.02 MPa. Under greenhouse conditions, seedlings treated with PGPBs exhibited increases in root length (9.6%), stem diameter (13.68%), leaf fresh weight (69.87%), and chlorophyll content (38.15%). Bc25-7 alleviated severe water stress symptoms (7 days of water retention stress), and isolates B. thuringiensis (Bt24-4) and B. cereus (Bc25-7, and Bc30-2) increased Relative Water Content (RWC) by 51%. Additionally, the treated seeds showed improved germination parameters with a 46.42% increase in Germination Rate (GR). These findings suggest that using PGPBs could be an alternative to mitigate the effect of drought on chiltepin.

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Effectiveness of a single and a mixture treatments of rhizobacteria in increasing the growth and yield of hot pepper (Capsicum annuum L.)

Cited by 3 publications

References 27 publications

Application of Rhizobacteria to Control Phytophthora capsici Disease Causes Stem Base Rot and Increase Growth of Pepper Seedlings In-Vivo

Application of Rhizobacteria to Control Phytophthora capsici Disease Causes Stem Base Rot and Increase Growth of Pepper Seedlings In-Vivo

Drought stress tolerance and growth promotion in chiltepin pepper (Capsicum annuum var. glabriusculum) by native Bacillus spp

Enhancing drought stress tolerance and growth promotion in chiltepin pepper (Capsicum annuum var. glabriusculum) through native Bacillus spp.

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