Abstract The study was aimed to evaluate the efficacy of supplying a mixture four phosphorus (P)-solubilizing purple nonsulfur bacteria strains, Rhodopseudomonas palustris VNW64, VNS89, TLS06, and VNW02 (P-solubilizing (PS-PNSB)) on soil properties, P uptake, growth, yield canary melon ( Cucumis melo L.). experiment consisted eight treatments, including 100% (150 kg 2 O 5 ha −1 ) as recommended, 75% P, 50% (75 ), no fertilizers, these treatments with adding PS-PNSB mixture. results showed...

In rice-shrimp farming systems, the high level of sodium that shrimps are able to grow in may create an adverse environment for rice. This research aimed isolate purple nonsulfur bacteria (PNSB) from fields and select strains were resistant H+, Al3+, Fe2+ Mn2+, can produce plant growth promoting substances such as 5-aminolevulinic acid, exopolymeric substances, indole-3-acetic acid siderophores. The selected applied a soil pot experiment determine their ability enhance rice yield. From 63...

The aim of the current research was to evaluate effects members purple nonsulfur bacteria (PNSB), Rhodopseudomonas palustris strains VNW02, TLS06, VNW64, and VNS89, mixed with spent rice straw (SRS) from mushroom cultivation as a carrier on promoting sesame growth yield, ameliorating alluvial soil (AS) fertility in dykes. A 4 × 3 factorial experiment consisting different levels solid PNSB biofertilizer mixture at 0, 3, 4, 5 t·ha-1 (0, 1.81 108, 2.24 2.68 108 cells pot-1, respectively),...

The present study aimed to identify the abilities of δ-aminolevulinic acid (ALA) producing purple non-sulfur bacteria (PNSB), Luteovulum sphaeroides W22 and W47, reduce Na+ concentration, ameliorate soil fertility, nutrients uptake, growth yield rice on salt-contaminated soil. A two-factor experiment was conducted following a completely randomized block design. factors were frequency applying saline irrigation (zero, one, two, three four times) ALA-producing PNSB supplementation (applying...

The overuse of chemical fertilizers under adverse conditions endangers the sustainability agriculture. A biological approach should be investigated to address this issue. Therefore, study aimed detect potency purple non-sulfur bacteria that can fix nitrogen (N) (PNSB-fN) Rhodobacter sphaeroides in soil N fertility, plant uptake, growth, and rice yield. In brief, an experiment was conducted check whether biofertilizer containing PNSB-fN strains improve yield fertility a highly saline acidic...

Pineapple cultivation in Vietnam results many byproducts that are costly to be chemically decompose, while acid sulfate soil for pineapple is deficient nutrients. Trichoderma spp. fungi more significant means of bio-decomposers agriculture and can degrade agricultural produce organic fertilizers crops, which one the trends sustainable agriculture. Therefore, current study aimed isolate strains could cellulose after harvest Vi Thanh City, Hau Giang Province. Forty-eight samples isolation was...

Abstract Highly saline soils negatively affect crop growth, especially rice. Although chemical approaches can be used, they damage the environment and sustainability of agriculture. Thus, a biological candidate should assessed. Therefore, study evaluated impact nitrogen (N)-fixing purple non-sulfur bacteria (PNSB) strains on improving soil properties, nutrient uptake, rice yield highly in My Xuyen district, Soc Trang province. The N-fixing PNSB were hypothesized to boost availability reduce...

The research aimed to (i) isolate, select, and assess the pathogenic potential of fungi that pose a risk causing scab disease on King mandarin fruits (Citrus sinensis), (ii) evaluate antagonistic Trichoderma spp. against Neurospora spp., , which cause under in vitro conditions. isolation process identified four fungal strains from ten showing symptoms, collected orchards Vung Liem District, Vinh Long Province. three most virulent scab-causing were KMS-01, KMS-02, KMS-04, with growth...

Soil phosphorus is heavily restricted by soil acidification and salinization. There a need to determine biological solution for this issue replace the overuse of chemical fertilizer that aggravates adverse conditions, such as salinity, acidity, metallic toxicity. Therefore, study aimed at determining dynamics in terms soil, growth, yield rice under supplementation phosphate (P)-solubilizing purple nonsulfur bacteria (PNSB), Cereibacter sphaeroides ST16 ST26, salinized collected from An Bien...

The aim of the current study was to assess potency exopolymeric substances (EPS)-secreting purple non-sulfur bacteria (PNSB) on rice plants acidic salt-affected soil under greenhouse conditions. A two-factor experiment conducted following a completely randomized block design. first factor salinity irrigation, and other application EPS producing PNSB ( Luteovulum sphaeroides EPS18, EPS37, EPS54), with four replicates. result illustrated that irrigation salt water at 3–4‰ resulted in an...

The aim of this study was to determine the proper combination nitrogen (N) fertilizer level and fixing endophytic bacteria (NFEB) supplementation for maximum grain yield sesame cultivated in alluvial soil dykes. experiment followed a completely randomized block design with two factors. first one levels N used, including 0, 50, 75, 100% recommended formula (RFF), other consisted no applied, an individual strain Enterobacter cloacae ASD-48 or E. ASD-21 their mixture, 5 replicates. results...

Stem-end rot disease has been causing damage to the production of pomelos in Vietnam. The cur-rent study aimed (i) isolate fungal pathogens pomelo stem-end (PSERD) and (ii) discover Trichoderma spp. that had an antagonistic ability against under vitro conditions. Fungi PSERD were isolated from fruits with symptoms collected farms Ben Tre province, Moreover, 50 strains also originated soils these province dual-tested pathogen on PDA medium. results demonstrated 11 pathogenic fungi fruit...

Background Poorly nutritious soils limit the growth of crops. Moreover, lemon balm ( Melissa officinalis L.) has never been applied with purple nonsulfur bacteria (PNSB). Therefore, this study was performed to (i) evaluate phosphorus (P) providing capacity PNSB and (ii) determine effectiveness in ameliorating P uptake, growth, yield alluvial soils. Materials methods The experiment designed completely randomized blocks nine treatments three replications. from (1)-(4) were fertilizations 100%...

Potassium (K) is immobilized within the clay minerals, making it unavailable for plant use. Therefore, current study aimed to (i) select isolates of purple nonsulfur bacteria that can dissolve K (K-PNSB) and (ii) evaluate production plant-growth-promoting substances by K-PNSB isolates. The results revealed from in-dyked alluvial soils in hybrid maize fields, 61 were obtained under pH 5.50 conditions. total dissolved content (Kdis) fluctuated 56.2 98.6 mg L−1. Therein, three isolates,...

This study aimed to (i) establish the diagnosis and recommendation of integrated system (DRIS) norms for evaluation nutrient status in pineapple plants (ii) validate reliability DRIS norms. Eighty-six leaf samples at +1 (E leaf) +3 (D positions were collected from 86 fields cultivated acid sulfate soils development stage. Results indicated that established included 22 30 pairs ratios E D positions, respectively. The validation showed founded reliable suitable assessing nutrients pineapple....

The low phosphorus use efficiency (PUE) and the high P fertilizer cost are reasons why it is necessary to find sustainable (P) sources for sesame, in which bacteria potential candidates. aim of this study was determine a level applied P-solubilizing rhizosphere (PSRB) maximum growth yield sesame. A two-factor experiment conducted completely randomized block design. first factor (i) rate, including 0%, 50%, 75%, 100% recommended rate (RFR); other (ii) supplementation PSRB, no supplemented...

Saline soils negatively affect and cause serious problems for rice cultivation. This study aimed to evaluate the efficacy of purple nonsulfur bacteria (PNSB) capable secreting 5-aminolevulinic acid (ALA) reduce soil salinity, improve fertility, enhance growth yield. A two-factorial experiment was conducted in a randomized complete block design with four replications. Factor one salinity irrigated water, factor two supplementation ALA-producing PNSB. The results indicated that watering saline...

Acid sulfate soils are limiting the productivity of pineapples (Ananas comosus (L.) Merr. var. comosus) by lacking available P content. This study aims to evaluate potency P-solubilizing bacterial endophytes, Burkholderia silvatlantica L-VT09 and N-VT06, on acid soil properties features grown in that soil. The two-factor experiment was arranged according a completely randomized block design. One factor fertilizer levels: 25% P, 50% 75% 100% P; other supplementations endophytes: No...

This study aimed to (i) select the endophytic bacteria from maize roots for their N2-fixing ability and (ii) evaluate efficacy of potent indigenous bacterial strains on soil fertility, nitrogen (N) uptake, growth yield maize. A total 31 root samples were collected An Giang province in Vietnam isolate bacteria. The pot experiment was conducted nine treatments: 100% N recommended fertiliser formula (RFF), 85% RFF, (iii) 70% (iv) 55% (v) RFF plus a mixture two nitrogen-fixing (NFEB), (vi) NFEB,...

1. Abadi, V.A.J.M., Sepehri, M., Rahmani, H.A., Dolatabad, H.K., Shamshiripour, Khatabi, B., 2021. Diversity and abundance of culturable nitrogen‐fixing bacteria in the phyllosphere maize. Journal Applied Microbiology 131(2), 898–912. https://doi.org/10.1111/jam.14.... CrossRef Google Scholar