Salinity is a major issue threatening global food security.Among the different strategies,nanotechnology has shown tremendous potential for improving crop production under abiotic stresses such as salinity.In this rev...Salinity is a major issue threatening global food security.Among the different strategies,nanotechnology has shown tremendous potential for improving crop production under abiotic stresses such as salinity.In this review,we discuss the environmental challenges associated with the different methods of nanomaterial application,including seed nanopriming,as well as foliar and soil/root application.Based on previous research,nanopriming uses less nanomaterials and has minimal concerns regarding environmental safety and the food chain.We discuss in detail the preventive measures for the safe and sustainable use of nanomaterials in agriculture based on the application methods.Furthermore,we summarize the role of antioxidant enzyme-triggering nanomaterials and direct reactive oxygen species(ROS)scavenging nanomaterials(nanozymes)in plant salt tolerance.Nanomaterials can improve sodium(Na^(+))and potassium(K^(+))homeostasis through various anatomical,physiological,and molecular mechanisms while improving plant salt tolerance.The role of nanomaterials in modulating plant photosynthesis and hormonal balance has been largely overlooked.We also identify research gaps and provide guidelines for future research work.This review provides guidelines for helping researchers to understand the proper design of nanoparticles(NPs)and different plant-related factors while using NPs for plant stress tolerance.These considerations will help to improve the efficient delivery of NPs into plants.Furthermore,after gaining sufficient scientific knowledge and better understanding,NPs can be integral to sustainable agriculture,while saving costs and reducing biosafety concerns and environmental pollution.展开更多
This investigation evaluated the impact of as-is biochar(BC)and phosphorous(P)-loaded biochar(PBC)(3%)on the growth and biochemical characteristics of rice under exposure to vanadium(V)(60 mg L^(-1)).The results indic...This investigation evaluated the impact of as-is biochar(BC)and phosphorous(P)-loaded biochar(PBC)(3%)on the growth and biochemical characteristics of rice under exposure to vanadium(V)(60 mg L^(-1)).The results indicate that rice plants exposed to a V-only treatment experienced declines in several growth parameters.Conversely,the inclusion of BC and PBC caused noteworthy increases in physiological traits.PBC performed well in stress environments.Specifically,the shoot and root fresh weights increased by 82.86 and 53.33%,respectively,when compared to the V-only treatment.In addition,the SPAD chlorophyll of the shoot increased by 13.05%relative to the V-amended plants.Moreover,including BC and PBC improved the antioxidant enzyme traits of plant shoot and root,such as significant increases in superoxide dismutase(SOD by 56.11 and 117.35%),catalase(CAT by 34.19 and 35.77%),and peroxidase(POD by 25.90 and 18.74%)when compared to V-only amended plants,respectively.These findings strongly suggest that the application of BC and PBC can trigger biochemical pathways that facilitate biomass accumulation in meristematic cells.However,further investigations are required to elucidate the underlying mechanisms responsible for this growth promotion.展开更多
基金supported by the Hainan Major Science and Technology Projects,China(ZDKJ202001)the Hainan Provincial Postdoctoral Research Projects awarded to Mohammad Nauman Khan,China(RZ2300005783)+1 种基金the Sao Paulo Research Foundation,Brazil(FAPESP,#2022/03219–2)the National Council for Scientific and Technological Development,Brazil(CNPQ,#310846/2022–6)。
文摘Salinity is a major issue threatening global food security.Among the different strategies,nanotechnology has shown tremendous potential for improving crop production under abiotic stresses such as salinity.In this review,we discuss the environmental challenges associated with the different methods of nanomaterial application,including seed nanopriming,as well as foliar and soil/root application.Based on previous research,nanopriming uses less nanomaterials and has minimal concerns regarding environmental safety and the food chain.We discuss in detail the preventive measures for the safe and sustainable use of nanomaterials in agriculture based on the application methods.Furthermore,we summarize the role of antioxidant enzyme-triggering nanomaterials and direct reactive oxygen species(ROS)scavenging nanomaterials(nanozymes)in plant salt tolerance.Nanomaterials can improve sodium(Na^(+))and potassium(K^(+))homeostasis through various anatomical,physiological,and molecular mechanisms while improving plant salt tolerance.The role of nanomaterials in modulating plant photosynthesis and hormonal balance has been largely overlooked.We also identify research gaps and provide guidelines for future research work.This review provides guidelines for helping researchers to understand the proper design of nanoparticles(NPs)and different plant-related factors while using NPs for plant stress tolerance.These considerations will help to improve the efficient delivery of NPs into plants.Furthermore,after gaining sufficient scientific knowledge and better understanding,NPs can be integral to sustainable agriculture,while saving costs and reducing biosafety concerns and environmental pollution.
基金funded by the Launch Fund of Hainan University High Level Talent,China(RZ2100003226)the National Natural Science Foundation of China(NSFC-31860728).
文摘This investigation evaluated the impact of as-is biochar(BC)and phosphorous(P)-loaded biochar(PBC)(3%)on the growth and biochemical characteristics of rice under exposure to vanadium(V)(60 mg L^(-1)).The results indicate that rice plants exposed to a V-only treatment experienced declines in several growth parameters.Conversely,the inclusion of BC and PBC caused noteworthy increases in physiological traits.PBC performed well in stress environments.Specifically,the shoot and root fresh weights increased by 82.86 and 53.33%,respectively,when compared to the V-only treatment.In addition,the SPAD chlorophyll of the shoot increased by 13.05%relative to the V-amended plants.Moreover,including BC and PBC improved the antioxidant enzyme traits of plant shoot and root,such as significant increases in superoxide dismutase(SOD by 56.11 and 117.35%),catalase(CAT by 34.19 and 35.77%),and peroxidase(POD by 25.90 and 18.74%)when compared to V-only amended plants,respectively.These findings strongly suggest that the application of BC and PBC can trigger biochemical pathways that facilitate biomass accumulation in meristematic cells.However,further investigations are required to elucidate the underlying mechanisms responsible for this growth promotion.
