What question did this study set out to answer?

This research aims to explore the effects of DCPTA on mitigating copper toxicity in cucumber seedlings.

May 6, 2026HorticulturaeOpen Access

Exogenous 2-(3,4-Dichlorophenoxy) Trimethylamine (DCPTA) Alleviates Copper Toxicity in Cucumber Seedlings via Coordinated Regulation of Root Architecture, Cell Wall Composition, and Nitrogen Metabolism

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Authors

YLYJ LiSouth China Agricultural University MHMengwei HuangHenan Agricultural University YCYuxin ChenNanjing Agricultural University

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Implication

Experimental treatment finds that DCPTA enhances root architecture and nitrogen metabolism in cucumber seedlings, implying improved tolerance to copper toxicity.

Key Points

This research aims to explore the effects of DCPTA on mitigating copper toxicity in cucumber seedlings.
Randomized block design with treatments: control, 0.25 mg/L DCPTA, 50 μM Cu, and 50 μM Cu + 0.25 mg/L DCPTA.
Analysis of root architecture, cell wall polysaccharides, and nitrogen metabolism enzyme activities.
Three biological replicates were used for each treatment.
DCPTA alleviated copper-induced growth inhibition in cucumber seedlings.
Total root length increased by 68.8%, surface area by 68.7%, and secondary lateral roots by 69.6% and 173.2%.
Nitrate reductase activity increased by 77.7% in leaves and 90.6% in roots, while glutamate synthase activity increased by 10.3% and 71.3%.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69faa25e04f884e66b532f88 https://doi.org/10.3390/horticulturae12050549

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Implication

Experimental treatment finds that DCPTA enhances root architecture and nitrogen metabolism in cucumber seedlings, implying improved tolerance to copper toxicity.

Exogenous 2-(3,4-Dichlorophenoxy) Trimethylamine (DCPTA) Alleviates Copper Toxicity in Cucumber Seedlings via Coordinated Regulation of Root Architecture, Cell Wall Composition, and Nitrogen Metabolism

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Cite This Study

Exogenous 2-(3,4-Dichlorophenoxy) Trimethylamine (DCPTA) Alleviates Copper Toxicity in Cucumber Seedlings via Coordinated Regulation of Root Architecture, Cell Wall Composition, and Nitrogen Metabolism

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Cite This Study

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