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Plasma-assisted nitrogen fixation for vibrant agricultural application
Pradeep Lamichhane,Mayura Veerana,Jun Sup Lim,Gyungsoon Park,Eun Ha Choi 한국진공학회 2021 한국진공학회 학술발표회초록집 Vol.2021 No.2
In this study, nitrogen fixation in water was achieved using an atmospheric pressure non-thermal nitrogen plasma jet generated by a 10 kV sinusoidal power supply with a repetition frequency of 33 kHz. Besides this, some easily accessible metals such as Mg, Al, and Zn were dipped separately in the water. The obtained water with various metal are further allowed to soak corn seed. It was found that, germination rate, seedling growth, photosynthesis, chlorophyll content, and protein synthesis significantly increased with plasma activated water as comparison with the control sample.
Singh Himani,Niharika,Lamichhane Pradeep,Gupta Ravi,Kaushik Neha,최은하,Kaushik Nagendra Kumar 한국식물생명공학회 2023 Plant biotechnology reports Vol.17 No.6
Pesticides have been an integral part of modern agriculture as their use ensures good harvests. However, excessive use of pesticides in the last few decades has caused significant environmental degradation. Moreover, excessive use of pesticides causes stress on crops and non-target plants and exhibits toxicity to other organisms including mammals, microbes, and insects. Plants employ various morphological, physiological, and biochemical mechanisms to reduce pesticides toxicity. One such mechanism is production of secondary metabolites that improves stress tolerance of plants. In addition, recent studies have also highlighted a potential role of plasma technology in mitigating various abiotic and biotic environmental stresses. Besides, plasma treatment improves seed germination, physiological processes, and seedling establishment during the early growth stages of a plant under adverse and non-adverse conditions and thus can be used an alternate to the pesticide treatment. This review article summarizes recent advancements in understanding the synthesis, accumulation, and transportation of secondary metabolites which have significant relevance to crop improvement programs. We also present an overview of the effects of plasma treatment on phytopathogenic bacterial cell suspensions and plant responses to metabolic activity. In the future, researchers need to develop innovative ideas to reduce the use of chemical pesticides in farming practices.