期刊
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
卷 1, 期 3, 页码 160-172出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsagscitech.0c00064
关键词
bacterial leaf blight; Xanthomonas oryzae pv oryzae; copper nanoparticles; hormetic effect; Bordeaux mixture; streptomycin sulfate
资金
- Indian Statistical Institute
This research demonstrates that CuNPs have effective inhibitory effects on bacterial leaf blight in rice, while also positively affecting the growth and photosynthetic activity of seedlings.
Nanoparticles (NPs) are one of the most advanced technologies for combating the increased resistance of agriculture pests to current remedies. We report copper nanoparticles (CuNPs) as an efficient antibacterial agent against Xanthomonas oryzae pv oryzae (Xoo) causing bacterial leaf blight (BLB) in rice. CuNPs had an efficient antibacterial effect on Xoo in infected rice seedlings. CuNPs also induced oxidative stress in the seedlings. The net growth and photosynthetic activity of rice seedlings increased upon CuNP treatment by the hormetic effect. CuNPs showed antibacterial activity comparable to that of commercial pesticides (Bordeaux mixture) and antibiotics (streptomycin sulfate). Overall, our work shed light on the fate of the CuNPs in the plant's metabolic cycle in addition to its activity on BLB and set a benchmark for its commercialization. To the best of our knowledge, such dual investigation is much unexplored to date with any other NP on BLB and rice.
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