Though Rice is cultivated in huge quantities, various disease causing agents will reduce the yield leading to not only losing the economy but also a food crisis. Production of rice is constrained by fungal, bacterial and viral diseases. In the current review, we focused on various pathological symptoms in Oryza species that cause high yield losses. In this context, plant breeders are attempting progressive research activity to achieve more yield and disease-resistant varieties that balance the world’s rice demand and increase the farmers' income. Rice was recognized as a genetic model for research in genetics and molecular biology, for understanding growth, development, tolerance to stress and disease resistance because of its small genome. The present review focuses on the various causative agents of diminishing rice yield along with the strategies to eradicate the pathogen and thereby increasing the yield. Recent research advances at genetic level have paved a way for novel approach to understand the significance between the pheno-genotypic variations with the crop yield of rice. Further, the review also includes the advanced methodologies at molecular level so as to save the rice cultivators from economic crisis. Disease resistant genes are identified and screened using molecular markers like SSR (simple sequence repeats), RAPD (Randomly Amplified Polymorphic DNA), and RFLP (restriction fragment length polymorphisms) analysis. There exist few reports in the literature about rice cultivation, but to the best of our knowledge in a single review both cause and remedy were not discussed in detail. In this context, our review provides an insight into the aspects attributing the crop loss followed by suggesting the suitable alternative method for enhancing crop yield.
Aim -The aim of this work is to efficiently extract the maximum power in low power PV based high voltage gain boost converters for green energy environment by considering two different innovative MPPT algorithms by limiting the oscillation. Materials and Methods -Perturb and Observe(P&O) and Incremental conductance (INC) Maximum power point tracking (MPPT) Algorithms are implemented and investigated so as to identify the point where the maximum power is available with reduced oscillations. Results -Based on the findings obtained it is inferred that the P&O algorithm extracts maximum output power with minimum ripple voltage magnitude (1.5v) while in INC extracts (1.75v). Conclusion -P&O MPPT algorithm gives superior output power in contrast with INC algorithm for the selected data.
Though Rice is cultivated in huge quantities, various disease causing agents will reduce the yield leading to not only losing the economy but also a food crisis. Production of rice is constrained by fungal, bacterial and viral diseases. In the current review, we focused on various pathological symptoms in Oryza species that cause high yield losses. In this context, plant breeders are attempting progressive research activity to achieve more yield and disease-resistant varieties that balance the world’s rice demand and increase the farmers' income. Rice was recognized as a genetic model for research in genetics and molecular biology, for understanding growth, development, tolerance to stress and disease resistance because of its small genome. The present review focuses on the various causative agents of diminishing rice yield along with the strategies to eradicate the pathogen and thereby increasing the yield. Recent research advances at genetic level have paved a way for novel approach to understand the significance between the pheno-genotypic variations with the crop yield of rice. Further, the review also includes the advanced methodologies at molecular level so as to save the rice cultivators from economic crisis. Disease resistant genes are identified and screened using molecular markers like SSR (simple sequence repeats), RAPD (Randomly Amplified Polymorphic DNA), and RFLP (restriction fragment length polymorphisms) analysis. There exist few reports in the literature about rice cultivation, but to the best of our knowledge in a single review both cause and remedy were not discussed in detail. In this context, our review provides an insight into the aspects attributing the crop loss followed by suggesting the suitable alternative method for enhancing crop yield.
Though Rice is cultivated in huge quantities, various disease causing agents will reduce the yield leading to not only losing the economy but also a food crisis. Production of rice is constrained by fungal, bacterial and viral diseases. In the current review, we focused on various pathological symptoms in Oryza species that cause high yield losses. In this context, plant breeders are attempting progressive research activity to achieve more yield and disease-resistant varieties that balance the world’s rice demand and increase the farmers' income. Rice was recognized as a genetic model for research in genetics and molecular biology, for understanding growth, development, tolerance to stress and disease resistance because of its small genome. The present review focuses on the various causative agents of diminishing rice yield along with the strategies to eradicate the pathogen and thereby increasing the yield. Recent research advances at genetic level have paved a way for novel approach to understand the significance between the pheno-genotypic variations with the crop yield of rice. Further, the review also includes the advanced methodologies at molecular level so as to save the rice cultivators from economic crisis. Disease resistant genes are identified and screened using molecular markers like SSR (simple sequence repeats), RAPD (Randomly Amplified Polymorphic DNA), and RFLP (restriction fragment length polymorphisms) analysis. There exist few reports in the literature about rice cultivation, but to the best of our knowledge in a single review both cause and remedy were not discussed in detail. In this context, our review provides an insight into the aspects attributing the crop loss followed by suggesting the suitable alternative method for enhancing crop yield.
Recent examinations express that multi organ failure is seen in Corona virus infected patients with different pathway. It has been shown in contemplates that increased levels of cytokines like IL-1B and INF gamma were observed. It is called as cytokine storm with higher convergences of CCL2 and CXCL10. The cytokine storm is trailed by our immune system attacking own body which thus may cause numerous organ abnormalities and conclusive outcome being death. There is currently no specific treatment for viral illness, and this methodology is an optional path for focusing on specific qualities that may diminish cytokine storm. In such manner Peroxisome Proliferators Activated Receptors (PPARs) have a place with group of transcription factors which are known to manage the inflammatory mechanisms in body. This immunomodulatory approach is intended to focus PPAR-gamma ligands and their molecular docking studies. The activation or increased expression levels of PPAR gamma because of chosen agonists may reduce the cytokine storm in the covid patients. Thus, this is one such fascinating way to deal with neutralization of the cytokines exorbitantly elevated by use of substances like pomegranate, lemon grass and so on to activate PPARs reliably.
The nonavailability of fossil fuels and the shortcomings of nonconventional energy sources taking place in the environment lead the research and development towards alternative and clean energy sources such as renewable energy sources. Renewable or nonconventional energy resources are being used to meet ever-increasing energy demand. The photo voltaic (PV) energy is the right choice of renewable energy for small voltage DC distribution systems, due to their advantages. But this energy source can produce low output power at the utility grid. Hence, to step up this low input voltage to high value for a range of high-voltage applications, DC-DC converters are integrated to the DC microgrids by means of PV system. The present work elaborates the modified SEPIC converter (MSC) designed based on the traditional SEPIC with a boost-up module. In comparison with conventional or traditional SEPIC converter, the proposed MSC produces high voltage gain and continuous current to the DC microgrids. Furthermore, MSC is operated with only one controlled switch. The proposed converter design improves the efficiency, output voltage, and continuous output current of the DC microgrids. This entire work is completed with PSIM, and finally, numerical simulation results prove the possibility of the MSC with PV-powered DC microgrids, and also the dynamic response of MSC for DC microgrid loads enhances the regulated output voltage and continuous output current of DC loads.
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