Assessing the effects of harvesting with and without burning and vinasse application in sugarcane crops: Evaluation of soil fertility and phosphorus pools in different ethanol production systems

Filho, José de Souza Oliveira; Santos, Otávio Augusto Queiroz dos; Rossi, Celeste Queiroz; Diniz, Yan Vidal de Figueiredo Gomes; Fagundes, Hugo de Souza; Pinto, Luiz Alberto da Silva Rodrigues; Pereira, Willian; Pereira, Marcos Gervásio

doi:10.1016/j.agee.2020.107233

Cited by 10 publications

(1 citation statement)

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“…CAT can enhance the soil nitrogen cycle and reduce the toxic effects of hydrogen peroxide on organisms. The increase in available phosphorus and soil alkaline phosphatase has a direct promoting effect on plant nutrient absorption and soil fertility improvement (Oliveira Filho et al ., 2021 ). The results indicated that the strain Cas02 could be able to improve the rhizosphere soil enzyme activity and nutrient metabolism.…”

Section: Resultsmentioning

confidence: 99%

Genomic insights on fighting bacterial wilt by a novel Bacillus amyloliquefaciens strain Cas02

Chu

Ilyas

Peng

et al. 2021

Microbial Biotechnology

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Bacterial wilt, caused by the Ralstonia solanacearum, can infect several economically important crops. However, the management strategies available to control this disease are limited. Plant growth-promoting rhizobacteria (PGPR) have been considered promising biocontrol agents. In this study, Bacillus amyloliquefaciens strain Cas02 was isolated from the rhizosphere soil of healthy tobacco plants and evaluated for its effect on plant growth promotion and bacterial wilt suppression. Strain Cas02 exhibited several growth-promoting-related features including siderophore production, cellulase activity, protease activity, ammonia production and catalase activity. Moreover, strain Cas02 showed a significant inhibitory growth effect on R. solanacearum, and its active substances were separated and identified to be macrolactin A and macrolactin W by HPLC-DAD-ESI-MS/MS. Both greenhouse and field experiments demonstrated a good performance of Cas02 in plant growth promotion and bacterial wilt suppression. To explore the underlying genetic mechanisms, complete genome sequencing was performed and the gene clusters responsible for antibacterial metabolites expression were identified. Overall, these findings suggest that the strain Cas02 could be a potential biocontrol agent in bacterial wilt management and a source of antimicrobial compounds for further exploitation.

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Section: Resultsmentioning

confidence: 99%