Dataset Information

Effects on the yield and fiber quality components of Bt cotton inoculated with Azotobacter chroococcum under elevated CO₂.

ABSTRACT:

Background

The raising trend of cultivation of Bacillus thuringiensis (Bt)-transgenic cotton is faced with a new challenge what effects on the growth and yield of Bt cotton under elevated CO₂.

Methods

Rhizobacteria is the significant biological regulator to increase environmental suitability and ameliorate soil-nitrogen utilization efficiency of crops, especially Bt cotton. Pot-culture experiments investigated the effects on the yield and fiber quality components of Bt cotton (transgenic Line SCRC 37) inoculated with Azotobacter chroococcum (AC) under elevated CO₂.

Results

The findings indicated that the inoculation of azotobacter significantly improved the yield and fiber quality components of Bt cotton, the elevated CO₂ significantly increased the soil density of A. chroococcum and the partial yield indexes (as cottonweightper 20 bolls, lint yield per 20 bolls and boll number per plant), and non-significant decrease the fiber quality components of Bt cotton except uniform.

Discussion

Overall results obviously depicted that the inoculation of azotobacter and the elevated CO₂ had positive effects on the yield and fiber quality components of Bt cotton. Presumably, azotobacter inoculation can be used to stimulate plant soil-nitrogen uptake and promote plant growth for Bt cotton under elevated CO₂ in the future.

SUBMITTER: Li Z

PROVIDER: S-EPMC10414027 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Effects on the yield and fiber quality components of <i>Bt</i> cotton inoculated with <i>Azotobacter chroococcum</i> under elevated CO<sub>2</sub>.

Li Zhuo Z Gao Min M Liu Rujie R Chang Chunyan C Ge Feng F

PeerJ 20230807

<h4>Background</h4>The raising trend of cultivation of <i>Bacillus thuringiensis</i> (<i>Bt</i>)-transgenic cotton is faced with a new challenge what effects on the growth and yield of <i>Bt</i> cotton under elevated CO<sub>2</sub>.<h4>Methods</h4>Rhizobacteria is the significant biological regulator to increase environmental suitability and ameliorate soil-nitrogen utilization efficiency of crops, especially <i>Bt</i> cotton. Pot-culture experiments investigated the effects on the yield and fib ...[more]

PMID: 37576495

Similar Datasets

Project description:The genome of the soil-dwelling heterotrophic N2-fixing Gram-negative bacterium Azotobacter chroococcum NCIMB 8003 (ATCC 4412) (Ac-8003) has been determined. It consists of 7 circular replicons totalling 5,192,291 bp comprising a circular chromosome of 4,591,803 bp and six plasmids pAcX50a, b, c, d, e, f of 10,435 bp, 13,852, 62,783, 69,713, 132,724, and 311,724 bp respectively. The chromosome has a G+C content of 66.27% and the six plasmids have G+C contents of 58.1, 55.3, 56.7, 59.2, 61.9, and 62.6% respectively. The methylome has also been determined and 5 methylation motifs have been identified. The genome also contains a very high number of transposase/inactivated transposase genes from at least 12 of the 17 recognised insertion sequence families. The Ac-8003 genome has been compared with that of Azotobacter vinelandii ATCC BAA-1303 (Av-DJ), a derivative of strain O, the only other member of the Azotobacteraceae determined so far which has a single chromosome of 5,365,318 bp and no plasmids. The chromosomes show significant stretches of synteny throughout but also reveal a history of many deletion/insertion events. The Ac-8003 genome encodes 4628 predicted protein-encoding genes of which 568 (12.2%) are plasmid borne. 3048 (65%) of these show > 85% identity to the 5050 protein-encoding genes identified in Av-DJ, and of these 99 are plasmid-borne. The core biosynthetic and metabolic pathways and macromolecular architectures and machineries of these organisms appear largely conserved including genes for CO-dehydrogenase, formate dehydrogenase and a soluble NiFe-hydrogenase. The genetic bases for many of the detailed phenotypic differences reported for these organisms have also been identified. Also many other potential phenotypic differences have been uncovered. Properties endowed by the plasmids are described including the presence of an entire aerobic corrin synthesis pathway in pAcX50f and the presence of genes for retro-conjugation in pAcX50c. All these findings are related to the potentially different environmental niches from which these organisms were isolated and to emerging theories about how microbes contribute to their communities.

Dataset Information

Effects on the yield and fiber quality components of Bt cotton inoculated with Azotobacter chroococcum under elevated CO₂.

Background

Methods

Results

Discussion

Publications

Effects on the yield and fiber quality components of <i>Bt</i> cotton inoculated with <i>Azotobacter chroococcum</i> under elevated CO<sub>2</sub>.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Dataset Information

Effects on the yield and fiber quality components of Bt cotton inoculated with Azotobacter chroococcum under elevated CO2.

Background

Methods

Results

Discussion

Publications

Effects on the yield and fiber quality components of <i>Bt</i> cotton inoculated with <i>Azotobacter chroococcum</i> under elevated CO<sub>2</sub>.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Effects on the yield and fiber quality components of Bt cotton inoculated with Azotobacter chroococcum under elevated CO₂.