Biochar amendment combined with partial root-zone drying irrigation alleviates salinity stress and improves root morphology and water use efficiency in cotton plant

Hou, Jingxiang; Wan, Heng; Liang, Kehao; Cui, Bingjing; Ma, Yingying; Chen, Yiting; Liu, Jie; Wang, Yin; Liu, Xuezhi; Zhang, Jiarui; Wei, Zhenhua; Liu, Fulai

doi:10.1016/j.scitotenv.2023.166978

Cited by 12 publications

(2 citation statements)

References 168 publications

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“…4−6 Additionally, the water absorption and storage capacities of certain organs are enhanced, like in cacti, which develop succulent tissues for water storage. 7,8 When plants endure drought stress, their internal equilibrium is lost due to the disruption of the ROS (reactive oxygen species) balance within them. An overabundance of ROS can damage cellular structures, potentially leading to cell death.…”

Section: Introductionmentioning

confidence: 99%

“…Water scarcity can be devastating for plants, leading to significant societal issues and economic losses. Fortunately, when facing mild to moderate drought conditions, plants can adjust certain physical features or growth patterns to mitigate the impact of drought stress. , Many plants reduce water loss by quickly closing their stomata, curling their leaves, and increasing wax accumulation on their surfaces. − Additionally, the water absorption and storage capacities of certain organs are enhanced, like in cacti, which develop succulent tissues for water storage. , …”

Section: Introductionmentioning

confidence: 99%

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Identification and Application of CLE Peptides for Drought Resistance in Solanaceae Crops

Li,

Huang,

et al. 2024

J. Agric. Food Chem.

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The CLE (CLAVATA3/Embryo Surrounding Region-related) family, a group of peptides with hormone-like features, plays a pivotal role in plant growth, development, and adaptation to stress. Through homology-based blast analysis of 32 Arabidopsis thaliana CLE peptide sequences, we have identified 5, 14, and 10 CLE family members in Nicotiana tabacum, Capsicum annuum, and Solanum melongena, respectively. Chemical synthesis and functional assays of the peptides led to the discovery that NtCLE3 substantially enhances the drought resistance of these three Solanaceae crops. Our transcriptome, RT-qPCR, and antioxidant enzyme activity data showed that NtCLE3 increased antioxidant capacity and ABA synthesis in tobacco. Moreover, the recombinant protein RPNtCLE3, composed of 6*NtCLE3, preserved the capacity to foster drought resilience and proved to be a promising drought resistance regulator, which presents a more favorable alternative for field applications compared to ABA which degrades rapidly under sunlight exposure. This research unveils the prospective utility of NtCLE3 in enhancing drought tolerance in Solanaceae crops and provides new ideas for the development of novel bioregulators aimed at mitigating drought stress.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Identification and Application of CLE Peptides for Drought Resistance in Solanaceae Crops

Li,

Huang,

et al. 2024

J. Agric. Food Chem.

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Contrasting maize responses to soil phosphorus and potassium availability driven by biochar under reduced irrigation

Wan,

Hou,

Wei

et al. 2024

Plant Soil

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Background and aims Biochar is increasingly recognized for its potential to enhance soil water retention and improve soil fertility in agricultural systems; however, few studies have evaluated the effects of biochar on nutrients from an integrated perspective. This study aims to investigate how biochar affects soil phosphorus (P) and potassium (K) availability and their effects on plant growth, especially under reduced irrigation conditions. Methods Maize plants were grown in split-root pots with full (FI), deficit (DI) and alternate partial root-zone drying (PRD) irrigation under 2% (w/w) softwood (SWB) and wheat-straw biochar (WSB) for three successive growth cycles. Results WSB amendment decreased soil P availability and resulted in a decrease in plant P content. However, WSB amendment significantly enhanced soil K availability inducing higher plant K content under reduced irrigation, thereby enhancing the biomass and harvest index of maize plants irrespective of growth cycles, especially with PRD. WSB amendment significantly enhanced P use efficiency due to lower plant P content and higher biomass in the initial growth cycles. Adding SWB decreased plant growth under reduced irrigation by inhibiting plant K content in the second growth cycle, which was mitigated by PRD by enhancing root growth. Conclusion Collectively, despite negative effects on soil P availability and plant P content, WSB combined with PRD could be a promising strategy in sustainable maize production under drought stress.

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Combined Effect of Leaching Process and Biochar Application on the Restoration of a Coastal Mild Saline-alkali Soil and the Growth of Pak Choi (Brassica chinensis L.)

Gong,

Dan,

Wang

et al. 2024

Water Air Soil Pollut

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Biochar amendment combined with partial root-zone drying irrigation alleviates salinity stress and improves root morphology and water use efficiency in cotton plant

Cited by 12 publications

References 168 publications

Identification and Application of CLE Peptides for Drought Resistance in Solanaceae Crops

Identification and Application of CLE Peptides for Drought Resistance in Solanaceae Crops

Contrasting maize responses to soil phosphorus and potassium availability driven by biochar under reduced irrigation

Combined Effect of Leaching Process and Biochar Application on the Restoration of a Coastal Mild Saline-alkali Soil and the Growth of Pak Choi (Brassica chinensis L.)

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