Effect of plant growth promoting rhizobacteria on Ambrosia rtemisiifolia L. seed germination

Soil bacteria are able either to stimulate or inhibit seed germination. If seed germination is stimulated, the seedlings of weed species emerge more uniformly, so that they could be killed in the next step of weed control. This investigation focused on testing the germination of Ambrosia artemisiifolia L. on several media: Pseudomonas fluorescens (B1), Azotobacter chroococcum (B2), Bacillus licheniformis (B3), B. pumilus (B4), B. amyloliquefaciens (B5). In control, seeds germinated in water. Seed germination varied depending on bacterial media. Germination was inhibited by bacterial treatments B1 and B3, treatments B2 and B4 stimulated germination, while germination in treatment B5 was similar to control.

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The Effectiveness of Giving Plant PGPR Rhizosphere Bamboo on Cocoa Seeds Germination at The Nursery Level

Biology Medicine & Natural Product Chemistry ◽

10.14421/biomedich.2021.101.1-5 ◽

2021 ◽

Vol 10 (1) ◽

pp. 1-5

Author(s):

Muhammad Yusril Hardiansyah ◽

Yunus Musa ◽

Abdul Mollah Jaya

Keyword(s):

Seed Germination ◽

Plant Growth ◽

Block Design ◽

Plant Growth Promoting Rhizobacteria ◽

Special Treatment ◽

Initial Growth ◽

Seed Growth ◽

Plant Growth Promoting ◽

Growth Promoting

The low productivity of cocoa plantations in Indonesia is partly due to the low quality of seeds, which refers to the impeded growth of cultivated cocoa nurseries. Seed is the initial growth of plants so the importance of giving special treatment to seeds will refer to better seed growth. Provision of Plant Growth Promoting Rhizobacteria (PGPR) microbes can produce indoleacetic acid (IAA) in plants to improve the quality of plant growth. This study aims to determine the effectiveness of the provision of Plant Growth Promoting Rhizobacteria bamboo rhizosphere against cocoa seed germination. The study was carried out in the farmer group garden, Gantarangkeke District, Bantaeng. This study was arranged in the form of a two-factor factorial design (F2F) in a randomized block design (RBD). The use of cocoa seed type as the first factor consisted of GTB (Gantarangkeke Bantaeng) local cocoa seed and MCC 01 cocoa seed and seed immersion treatment at PGPR rhizosphere bamboo concentration as the second factor consisting of 0% (control) concentration, 5%, 10 % and 15%. The results obtained indicate that administration of seeds with bamboo rhizosphere PGPR affects the germination (100.00%), the speed of seed growth (7.14%/etmal), as well as on abnormal seeds (10.00%). So that the provision of bamboo rhizosphere PGPR on cocoa seeds has an effective influence on seed germination and cocoa seedling development.

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Effect of plant growth promoting rhizobacteria (PGPR) in seed germination and root-shoot development of chickpea (Cicer arietinum L.) under different salinity condition

Research in Agriculture Livestock and Fisheries ◽

10.3329/ralf.v3i1.27864 ◽

2016 ◽

Vol 3 (1) ◽

pp. 105-113 ◽

Cited By ~ 4

Author(s):

Mohammad Mosharraf Hossain ◽

Keshob Chandra Das ◽

Sabina Yesmin ◽

Syfullah Shahriar

Keyword(s):

Seed Germination ◽

Plant Growth ◽

Indole Acetic Acid ◽

Phosphate Solubilization ◽

Plant Growth Promoting Rhizobacteria ◽

Matter Production ◽

Wide Range ◽

Positive Growth ◽

Plant Growth Promoting ◽

Growth Promoting

Plant growth promoting rhizobacteria (PGPR) are beneficial bacteria that colonize plant roots and enhance plant growth by a wide variety of mechanisms. Ten isolates of bacteria designated as SS01, SS02, SS03, SS04, SS05, SS06, SS07, SS08, SS09 and SS10 were successfully isolated and morphologically and biochemically characterized. Subsequently to investigate the effect of PGPR isolates on the growth of chickpea, a pot culture experiment was conducted in 2013 at National Institute Biotechnology, Bangladesh net house. Prior to seeds grown in plastic pots, seeds were treated with PGPR isolates and seedlings were harvested after 21 days of inoculation. All the isolates were gram negative in reaction, catalase positive, produced indole acetic acid (IAA) as well as performed phosphate solubilization, able to degrade cellulose and have the adaptability in wide range of temperature and showed positive growth pattern in medium. Most of isolates resulted in a significant increasing of shoot length, root length and dry matter production of shoot and root of chickpea seedlings. Application of PGPR isolates significantly improves the percentage of seed germination under saline conditions. The present study, therefore suggested that the use of PGPR isolates SS04, SS10 and SS08 as inoculants biofertilizers might be beneficial for chickpea cultivation in saline conditionRes. Agric., Livest. Fish.3(1): 105-113, April 2016

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Potential seed germination-enhancing plant growth-promoting rhizobacteria for restoration of Pinus chiapensis ecosystems

Journal of Forestry Research ◽

10.1007/s11676-020-01250-3 ◽

2020 ◽

Author(s):

Cristina Domínguez-Castillo ◽

Julia María Alatorre-Cruz ◽

Dolores Castañeda-Antonio ◽

José Antonio Munive ◽

Xianwu Guo ◽

...

Keyword(s):

Seed Germination ◽

Plant Growth ◽

Plant Growth Promoting Rhizobacteria ◽

Plant Growth Promoting ◽

Growth Promoting

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Importance of plant growth-promoting rhizobacteria in enhancing the seed germination and growth of watermelon attacked by fungal pathogens

Acta Agronomica Hungarica ◽

10.1556/aagr.55.2007.2.12 ◽

2007 ◽

Vol 55 (2) ◽

pp. 243-249 ◽

Cited By ~ 3

Author(s):

S. Lokesh ◽

B. Bharath ◽

V. Raghavendra ◽

M. Govindappa

Keyword(s):

Seed Germination ◽

Plant Growth ◽

Fungal Pathogens ◽

Plant Growth Promoting Rhizobacteria ◽

Fungal Species ◽

Didymella Bryoniae ◽

Seedling Vigour ◽

Plant Growth Promoting ◽

Growth Promoting ◽

Germination And Growth

In the present study, seven isolates of plant growth-promoting rhizobacteria were used for seed treatment to suppress seedling diseases caused by fungi. Their effect on the seed germination and seedling vigour of watermelon was also studied. Among them INR-7 was able to inhibit a broad range of fungal species, GBO3 and IPC-11 were found to be effective against Fusarium spp. and Didymella bryoniae , while isolates SE-34 and T-4 were effective against Myrothecium species and also reduced the development of symptoms on the seedlings. Isolates GBO3, IPC-11 and INR-7 increased seed germination and seedling vigour to the greatest extent.

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Effect of plant growth promoting rhizobacteria (PGPR) and IBA treatments on rooting in cuttings of apple (Malus × domestica Borkh.) clonal rootstock Merton 793

Journal of Applied and Natural Science ◽

10.31018/jans.v9i2.1336 ◽

2017 ◽

Vol 9 (2) ◽

pp. 1135-1138

Author(s):

Pramod Verma ◽

P. S. Chauhan ◽

J. S. Chandel

Keyword(s):

Plant Growth ◽

Bacillus Licheniformis ◽

Dry Weight ◽

Plant Growth Promoting Rhizobacteria ◽

Bacillus Sp ◽

Main Shoot ◽

Primary Roots ◽

Plant Growth Promoting ◽

Growth Promoting ◽

Different Strains

The preliminary studies on the effect of different strains of plant growth promoting rhizobacteria (PGPR) alone and in combination with IBA at 1000 ppm on rooting in cuttings of apple clonal rootstock Merton 793 were carried out during 2012-13. The PGPR strains (RG (1)3 – Bacillus sp.), B6 – Bacillus licheniformis and R3 (3) – Sirretia sp. alone failed to induce rooting response in cuttings of apple clonal rootstock Merton 793. The results revealed that IBA 2500 ppm recorded the maximum rooting (65 %), number of primary roots (5.00), length (28.43 cm) and diameter (3.25 mm) of primary roots, fresh (3.67 g) and dry weight (2.59 g) of roots, length of main shoot (134.14cm), diameter of main shoot (8.18 mm), fresh (30.40 g) and dry weight (22.60 g) of shoots in cuttings of Merton 793. However, the PGPR strains RG (1)3 – Bacillus sp., B6 – Bacillus licheniformis and R3 (3) – Sirretia sp. in combination with IBA 1000 ppm showed improvement in rooting of cuttings to the extent of 10, 15 and 5 per cent rooting, respectively and growth of the rooted plants. IBA at 2500 ppm resulted better rooting and growth of rooted plants. Hence, this treatment is suggested for commercial propagation of apple clonal rootstock Merton 793 through cuttings.

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