Endophytic bacteria associated with rice roots from suboptimal land as plant growth promoters

Prihatiningsih, Nur; Djatmiko, Heru Adi; Lestari, Puji

doi:10.13057/biodiv/d220153

Cited by 4 publications

(3 citation statements)

References 25 publications

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“…Marwan et al (2021) reported that the isolates from local Jambi rice varieties had the potential to be developed as biological control agents against blast disease caused by P. oryzae. Meanwhile, Prihatiningsih et al (2021) concluded that three endophytic bacteria (SM1, SB 1, and SB 3) associated with rice roots could be categorized as potential plant growth promoters. The population of endophytic bacteria was found in Payabenua when compared to the Saing area.…”

Section: Discussionmentioning

confidence: 99%

“…Munif and Nurjayadi (2021) also identified several endophytic bacteria isolates, namely GH1, Si2, Si33, Sp24, and G053, which possess the capability to control Meloidogyne graminicola in rice crops. In another study conducted by Prihatiningsih et al (2021), three endophytic bacteria strains are identified as potential agents for promoting plant growth and controlling bacterial leaf blight on rice.…”

Section: Introductionmentioning

confidence: 99%

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Isolation and Characterization of Phosphate Solubilizing Bacteria from Upland Rice Cultivation Areas in Bangka Regency

Kartika,

Munif,

Palupi

et al. 2024

J.Tropical Biodiversity Biotechnology

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The availability of phosphorus (P) in ultisol acid soils presents a significant challenge due to its attachment to aluminum (Al) or iron (Fe) compounds. A potential solution to address this issue is the utilization of phosphate solubilizing bacteria (PSB). Therefore, this study aimed to analyze the potential of PSB originating from upland rice cultivation on ultisol soils. The bacterial isolates were obtained from soil samples taken from the rhizosphere area and root tissue of upland rice plants cultivated in Payabenua and Saing Villages, Bangka Regency. The pathogenicity testing encompassed hypersensitivity and hemolysis tests, while the P solubilization included the evaluation of the phosphate solubilizing index (PSI) and P dissolution. Subsequently, the selected isolates were subjected to phosphatase enzyme and organic acid content assessment. The results showed a total of 120 isolates, predominantly distributed in the Payabenua area and primarily consisting of endophytic bacteria. Among the six selected isolates, genus Burkholderia dominated four isolates, while the remaining isolates belonged to genus Serratia. Furthermore, in Burkholderia vietnamiensis, the solubility value of P in AlPO4 and Ca3(PO4)2 liquid media exhibited a range of 0.0013 to 0.0344% and 0.0008 to 0.1842%, respectively.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Isolation and Characterization of Phosphate Solubilizing Bacteria from Upland Rice Cultivation Areas in Bangka Regency

Kartika,

Munif,

Palupi

et al. 2024

J.Tropical Biodiversity Biotechnology

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“…(Pradana et al, 2020) reported that tomato plants inoculated with endophytic bacteria were able to significantly increase height of different tomato plants compared to controls. (Prihatiningsih et al, 2021) endophytic bacteria directly promote plant growth including plant height and indirectly control pathogens.…”

Section: Plant Height (Cm)mentioning

confidence: 99%

Invasion of Endophytic Bacteria by Using Microencapsulation Technology as Stimulant in Cocoa Plants (Theobroma cacao L)

Prayoga,

Warsito,

Amrul

2023

JPBN

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Fertilization is an important process in the growth of cocoa (Theobroma cacao L). Fertilizing cocoa usually used inorganic fertilizers. Using of inorganic fertilizers continuously could degrading soil fertility. One of the efforts to replace inorganic fertilizers was using endophytic bacteria as biofertilizers. Some endophytic bacteria are abundant in healthy plant tissues. The aim of this research was to obtain endophytic auxin-producing bacteria in cocoa plants and determine the effect of seed immersion and microcapsules addition of endophytic bacteria on cocoa plant growth. The research design used was Complete Randomized Design (CRD), 16 treatments and 3 replications. The first factor was immersion of cocoa seed using endophytic bacteria suspension consisting of S0= 0 hours; S1= 5 hours; S2= 6 hours and S3= 7 hours and the second factor was microcapsules addition consisting of B0= 0 gr; B1= 5 gr; B2= 10 gr; B3= 15 gr. Isolation from the roots and stems of cocoa obtained 5 isolates endophyte bacteria. Auxin assays showed that five isolates were able to produce auxin. Observations on plant height showed the best treatment was treatment B1 (32.49 cm). Observation of total leaves showed S3 treatment was the highest data (11.83 strands). Observation rod diameter parameter, highest data was S3 treatment (4.01 mm). For leaf area parameter, highest value was B1 treatment (66.64 cm2). For wet weight parameter, highest data was S3 treatment (18.41 g). Root length parameter, highest data was B3 treatment (15.78 cm). Test results showed that the application of suspension and microcapsules of endophytic bacteria significantly increased growth of cocoa.

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Detection of bacterial pathogen on corn plants and test the potential of endophytic microbes to controlling stewart wilt disease in vitro

Muis,

Djaenuddin,

Nonci

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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The use of synthetic pesticides to increase maize production sustainably contributes to increasing the development of pathogens and tends to be less effective in environmental conditions that support pathogens. In addition, the emergence of environmental pollution due to the use of chemicals causes the need for environmentally-friendly control technologies. Endophytic microbes are biological agents that can be used to plant disease control that is environmentally friendly and practical in their application. The study aimed to detect pathogenic bacteria that cause wilt and blight in maize and then examine the potential of several endophytic microbial isolates in controlling Stewart wilt pathogens in maize in vitro. The research was carried out from February to July 2021 at the Cereal Crop Research Institute Laboratory in Maros for morphological identification and microbial potential testing, while serological tests were carried out at the Makassar Plant Quarantine Laboratory, South Sulawesi. The study began with detecting pathogenic bacteria serologically using the Enzyme-Linked Immunosorbent Assay (ELISA) method. The results showed that blight symptoms on corn isolated from the experimental garden of IP2TP Bajeng Gowa Regency PS-4 and PS-5 were detected as bacteria Pantoea stewartii subsp. stewartii. The antagonistic test of endophytic bacterial isolates I.A1, II.D1, III.A2, IV.B2, and endophytic fungi isolates AC-1, AC-3, and DC-5 was able to suppress the growth of pathogenic bacteria isolates PS-4 and PS-5 The growth suppression of pathogenic bacteria was observed by forming inhibitory zones of antibiosis compounds. Pathogenic bacteria Pantoea stewartii subsp. stewartii can be controlled using endophytic microbes.

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Endophytic bacteria associated with rice roots from suboptimal land as plant growth promoters

Cited by 4 publications

References 25 publications

Isolation and Characterization of Phosphate Solubilizing Bacteria from Upland Rice Cultivation Areas in Bangka Regency

Isolation and Characterization of Phosphate Solubilizing Bacteria from Upland Rice Cultivation Areas in Bangka Regency

Invasion of Endophytic Bacteria by Using Microencapsulation Technology as Stimulant in Cocoa Plants (Theobroma cacao L)

Detection of bacterial pathogen on corn plants and test the potential of endophytic microbes to controlling stewart wilt disease in vitro

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