Microbial Enzymes and Soil Health

Silva, Glacy Jaqueline da; Rivadavea, Wesley Ribeiro; Lima, Juliane Destro de; Monteiro, Pedro; Silva, Franquiéle Bonilha da

doi:10.1007/978-3-030-66587-6_6

Cited by 2 publications

(2 citation statements)

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“…Extracellular hydrolytic enzymes have played an important role in the metabolism of organic polymers that improve soil health (da Silva et al, 2021). These enzymes, especially chitinase, cellulase and protease, have also been important in the biological control of fungal and bacterial phytopathogens (Mishra et al, 2020), insects (Lee et al, 2022), and nematodes (Migunova and Sasanelli, 2021).…”

Section: Effects Of Psb Isolates On Seeds In Plate Assaymentioning

confidence: 99%

“…These sources of phosphorus, if used, will help reduce the need for chemical fertilizers as well as the negative effects caused by chemical fertilizers. Available phosphorus for plant uptake can be released from these insoluble phosphoruscontaining compounds by natural physicochemical processes or by microorganisms (Glick, 2012;de Silva et al, 2021).…”

Section: Introduction Introduction Introduction Introductionmentioning

confidence: 99%

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Plant growth promoting characterization of indigenous phosphate solubilizing rhizobacteria and effects on germination of some crops in Vietnam

NGUYEN

NGUYEN²,

NGUYEN

2023

Not Bot Horti Agrobo

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Inorganic Phosphate Solubilizing Bacteria (PSB) are widely present in nature and have been successfully applied in fields in many countries. However, researches on indigenous PSB are still very limited in Vietnam. The objective of this study was to isolate and evaluate the growth promoting characteristics and effects on germination of seed of indigenous PSB for fertilizer production from PSB. Thirteen isolates of indigenous PSB were collected using selective isolation medium containing Ca3(PO4)2, of which eight added the ability to dissolve AlPO4 and five isolates added the ability to dissolve FePO4. Initial qualitative tests indicated that all thirteen PSB isolates were incapable of HCN and lipase production while other growth promoting activities including amylase, caseinase, cellulase, chitinase, pectinase, indole acetic acid, K solubility, Zn solubility, and N fixation varied according to PSB isolate. The collected PSB isolates had no effect on seed germination rate, root length, and hypocotyl length of plantules of soybean, rice, maize, cucumber, tomato, and chili by plate assay. This study had shown that PSB was also common in the rhizosphere of various crops in Vietnam. Therefore, isolation to enrich the indigenous PSB collection was essential for the screening of suitable PSB strains for subsequent fertilizer production.

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