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Articles by Meenakshi Rana
Total Records ( 2 ) for Meenakshi Rana
  Pavithra G. , Sumant Bindal , Meenakshi Rana and Seweta Srivastava
  Endophytes are considered as plant mutualists which are living asymptomatically within plant tissues have been found in virtually all plant species. Endophytes receive nutrition and protection from the host plant while the host plant may benefit from enhanced competitive abilities and increased resistance to herbivores, pathogens and various abiotic stresses. This review focuses on the biology of endophytic fungi, their discovery, isolation, identification and diversity and their biological activities in environmental and agricultural sustainability. It also considers and their medicinal applications especially in the production of anticancer, antimicrobial, antioxidant and antiviral compounds. Endophytic fungi are one of the most creative groups of secondary metabolite producers that play important biological roles for human life. They are potential sources of novel natural agents for exploitation in the pharmaceutical industry, agriculture and in environmental applications. So, in this review we summarize their potential role against some important plant pathogens.
  Khajan Singh Bisht , Meenakshi Rana , Pooja Upadhyay and R.P. Awasthi
  Background and Objective: White rust disease caused by pathogen Albugo candida (A. candida) (Pers. Ex. Lev.) Kuntze. (A. Cruciferarum S.F. Gray) is one of the major diseases, responsible in reducing the yield of Rapeseed-Mustard (Brassica sp.). The main objective of this study was planned to develop photographic disease assessment keys for White rust of Rapeseed-Mustard. However, till now only diagrammatic or numerical assessment keys have been reported for screening of Rapeseed-Mustard germplasm against White rust disease but none is available on the basis of their actual photographs. Materials and Methods: Disease severity was taken on transparent graph paper. Pictures of disease free cotyledons and leaf, less than 5, 5-10, 11-25, 26-50% and more than 50% area covered by white rust pustules were observed for assessment key. Results: Rapeseed-Mustard plants were screened from seedling to maturity stage against White rust disease. The rating scale was developed from original field photographs with all above ground parts of infected plant viz. cotyledons, pods and leaves. Conclusion: In present study, the key was prepared for assessment of disease severity at cotyledonary leaf stage, pod stage and true leaf stage of plant. This would be helpful for consistent assessment of white rust disease as well as other leaf spot disease of Brassica sp.
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