Effects of tea plant endophytic phosphate-solubilizing bacteria on the growth and selenium uptake of maize seedlings in selenium-rich soil
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View abstract on PubMed
Summary
This summary is machine-generated.Phosphate-solubilizing bacteria (PSB) from tea plants significantly boosted maize growth and nutrient uptake. Strains like *P. fungorum* PMS-05 and PMS-20 enhanced phosphorus and selenium absorption, improving plant biomass and height.
Area Of Science
- Agricultural Science
- Microbiology
- Soil Science
Background
- Phosphorus (P) is essential for plant development.
- Phosphate-solubilizing bacteria (PSB) can enhance nutrient availability in soil.
- Endophytic bacteria from tea plants (*Camellia sinensis*) as potential bioinoculants are underexplored.
Purpose Of The Study
- To investigate the impact of endophytic PSB from tea plants on maize (*Zea mays* L.) seedling growth.
- To assess the effects of PSB inoculation on nutrient uptake (N, P, K, Se) in maize.
- To identify superior PSB strains for crop cultivation in selenium-rich soils.
Main Methods
- Isolation and identification of seven PSB strains from tea plant roots.
- Inoculation of maize seedlings with PSB strains for 45 days.
- Measurement of soil nutrient content (available AN, AP, AK, Se) and plant nutrient content (N, P, K, Se).
- Evaluation of plant growth parameters (fresh weight, dry weight, plant height, root length).
Main Results
- PSB inoculation significantly increased phosphorus content in maize leaves and available phosphorus in rhizosphere soil.
- Significant improvements in seedling fresh weight, dry weight, plant height, and root length were observed.
- *P. fungorum* PMS-05 and PMS-20 demonstrated superior performance, with PMS-05 increasing dry weight by 103.79% and PMS-20 increasing root length by 223.45%.
- Treatment with *P. fungorum* PMS-05 notably enhanced available selenium content in soil (144.47%) and plants (97.77%).
Conclusions
- Endophytic PSB from tea plants effectively promote maize seedling growth and nutrient absorption.
- These PSB strains enhance available phosphorus and selenium in the rhizosphere.
- *P. fungorum* PMS-05 and PMS-20 are promising candidates for developing biofertilizers for crops in selenium-rich soils.
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