A Simple and Rapid Method for Functional Analysis of Plant Growth-promoting Rhizobacteria Using the Development of Cucumber Adventitious Root System

Bae, Yeoung Seuk; Park, Kyung Seok; Lee, Young Gee; Choi, Okhee

doi:10.5423/ppj.2007.23.3.223

Cited by 13 publications

(5 citation statements)

References 10 publications

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“…Pseudomonas is producing IAA, which causes an increment in the length of seedling roots by about 35-50% (Patten and Glick, 2002). Bae et al (2007) proved that PGPR stimulated the initial development of adventitious roots in rose and cucumber cuttings by using various isolates. Kaymak et al (2008) also explained that mint cuttings treated with PGPR gave a good result in rooting percentage and root dry weight.…”

Section: Discussionmentioning

confidence: 99%

Effect of organic and bio-fertilization on cuttings of Ruby Seedless grapes cultivated in clay and sandy soils

Salam

Mekhemar

Roshdy

2022

SVU-International Journal of Agricultural Sciences

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The objective of the research was to improve the properties of grape cuttings to obtain strong and healthy plantlets and overcome the problems they encounter during cultivation in clay and sandy soils to become vigorous and healthy trees without using chemical fertilizer. This experiment investigated how to vermicompost tea and Plant Growth-Promoting Rhizobacteria (PGPR), individually or in mixed form, influenced the characteristics of grape cuttings cultivated in clay and sandy soils. Some physical and chemical parameters for cutting were measured such as parameters of vegetative growth and root, chemical parameters of plant, and soil parameters as CaCo3 % content, and total count bacteria CFU/g. The results proved that the type of soil affected the growth of cuttings. All treatments gave significant differences, compared with the control. Sometimes significant differences were found among treatments on parameters, and sometimes not. In general, the best effect on the growth of the cuttings was in a treatment that included the combination of vermicompost tea and PGPR, whether cultivated in sandy or clay soil, in both successive growing seasons.

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Section: Discussionmentioning

confidence: 99%

Effect of organic and bio-fertilization on cuttings of Ruby Seedless grapes cultivated in clay and sandy soils

Salam

Mekhemar

Roshdy

2022

SVU-International Journal of Agricultural Sciences

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“…As previously stated, these rhizobacteria have played a role as PGPR sinceithe process ofiseed germination, seedlingigrowth, vegetative growth, thus it is suspected that the positive impact will also affectithe reproductiveiphase. The abilityito fix nitrogen, solubilizeiphosphate, and produceigrowth hormones (gibberellins, auxins,iand cytokinins) hasibeen widely reportedias a mechanismifor rhizobacteriaiin their role as PGPR [30][31][32]. "…”

Section: Generative Plant Growthmentioning

confidence: 99%

Seed treatment using rhizobacteria as plant growth promotion of two chili variety (Capsicum annuum L.)

Syamsuddin

Halimursyadah

Samingan

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The research aims to find out the effect of pre-germination treatment seeds using rhizobacteria as plant growth promotion of two varieties of red chili peppers in the field. The experiment used a randomized design of factorial groups. Factors studied were varieties (V) and rhizobacteria types (R). The variety factor consists of 2 varieties namely PM999 (V1) and Kiyo F1 (V2). While the type of rhizobacteria factor tried consists of 8 treatment, namely, control (R0), Azotobacter sp. (R1), B. megaterium (R2), P. atmuta (R3), B. alvei (R4), Flavobacterium sp. (R5), B. coagulans (R6), B. firmus (R7) and B. pilymixa (Rs). Each treatment was repeated 3 times, so there were 48 experimental units. Each unit of experiment is represented by 5 sample plants. The data was analyzed using ANOVA and continued with DMRT test at real level α = 0.05. The results showed that vegetative growth and production of chili plants until the age of 45 days after planting in each variety is not dependent on the pre-germination treatment of seeds with rhizobacteria. But the varieties of chili plants used affect vegetative growth and production. PM999 varieties are superior to the Kiyo F1 variety. Pre-germination treatment of seeds using rhizobacteria is relatively effective in improving vegetative growth and yield of chili plants. Among the 8 isolates rizobacteria isolate Azotobacter sp., B. megaterium, B. coagulants, Flavobacterium sp., and P. atmuta relatively effective to provide an increased effect on the growth and production of chili plants.

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“…of phytohormones, such as indole-3-acetic acid (IAA), gibberellic acid, or phytohormone regulators such as cytokinins. and 1aminocyclopropane -1 -carboxylate (ACC) deaminase [41,42].…”

Section: Treatment Of Rhizobacteria On Growth Of Cocoa Seedsmentioning

confidence: 99%

Indigenous Rhizobacteria treatment in controlling diseases Phytophthora palmivora and increasing the viability and growth of cocoa seedling

Syamsuddin

Marlina

Chamzurni³

et al. 2021

J. Nat.

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Rhizobacteria play a positive role as biocontrol agents as well as Plant Growth Promoting Rhizobacteria (PGPR) agents. The research objective was to obtain indigenous rhizobacteria isolates on cocoa plants that have the potential to inhibit the attack of P. palmivora fungal pathogens, and act as PGPR in vitro and in vivo. The results of the study concluded that isolates TRI 7/1, TRI 8/8, GM 7/9 and GM 7/10 had the highest ability to inhibit the growth of pathogen. The lowest disease severity (20%) was obtained in the seedlings treated using isolates TRI 7/1 and TRI 8/8. Rhizobacterial isolates GM 3/6, GM 5/6, GM 7/9 and GM 8/8 produce high amounts of IAA. Rhizobacteria isolates GM 5/6, GM 7/9 and GM 8/8 has very high peroxidase enzyme activity. High production of HCN compounds was obtained in rhizobacteria isolates TRI 3/3, TRI 4/10 and TRI GM 8/11. All rhizobacterial isolates gave an increase in the value of maximum growth potential, germination and vigor values for growth strength compared with the control. The rizobacteria treatments using isolates TRI 7/1, TRI 8/8, GM 7/9 and GM 7/10 were able to increase plant height, stem diameter and number of leaves at 30, 40, 50, 60, and 70 DAP compared to control treatment.

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A Simple and Rapid Method for Functional Analysis of Plant Growth-promoting Rhizobacteria Using the Development of Cucumber Adventitious Root System

Cited by 13 publications

References 10 publications

Effect of organic and bio-fertilization on cuttings of Ruby Seedless grapes cultivated in clay and sandy soils

Effect of organic and bio-fertilization on cuttings of Ruby Seedless grapes cultivated in clay and sandy soils

Seed treatment using rhizobacteria as plant growth promotion of two chili variety (Capsicum annuum L.)

Indigenous Rhizobacteria treatment in controlling diseases Phytophthora palmivora and increasing the viability and growth of cocoa seedling

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