PLANTICA, Vol. 2 (4), October, 2018
1. IDENTIFICATION OF CHEMICAL MARKERS FROM LICHEN SPECIES FOR MEDICINAL USES, pp: 234 – 238
Muhammad Arif*1, Veenita Tomar2, Manjoosha Srivastava3, D.K. Upreti4 and Sangeeta Srivastava5
*1,2,3 Phytochemistry Division, 4 Lichenology Laboratory, CSIR-National Botanical Research Institute, Lucknow, U.P. 5Department of Chemistry, University of Lucknow, Lucknow, U.P.
Corrosponding author: firstname.lastname@example.org
Received: 25, June, 2018 – Accepted: 13, October, 2018
Lichens are symbiotic association of an algae and fungus. They are stable, self supporting and slowest growing pants. They are mainly distributed in rainforest, desert, mountain, snowy areas, and sea shores. They have many biologically active chemical markers like depsides and dibenzofuran. Studies reveal that extract yield varied from 5.92% -14.44% in acetone and 4.90%- 13.20% in 50% ethanaol. The secondary marker isolated from these species is usnic acid (1.94%), fumarprotocetraric acid (1.88%) respectively. The study leads to metabolite profiling of lichen species, establish standard protocols of extraction & determine to select specific major bioactive markers for isolation, large scale production & utilization for food and pharma industries for production of herbal medicines.
Keywords: Chemical marker, fumarprotocrtraric acid, herbal medicicine, usnic acid.
2. AN INTRODUCTION OF NEW WEEDS AT UTTARKASHI DISTRICT OF UTTARAKHAND STATE, pp: 239 – 243
Mahendra Pal Singh Parmar, Prerna Pokhriyal, Naresh Singh Chauhan and Richa Badhani
Department of Botany, Govt. P.G College, Uttarkashi, U.K.
*Corresponding author: email@example.com
Received: 30, May, 2018 – Accepted: 13 October, 2018
Weed commonly called khar-kabad in Uttarakhand or kharpatawar in India and worldwide. Any unwanted plant which reduces the productivity of our commercial crop, farmers is often concerned that weeds may reduce crop yields. Weeds use the same nutrients that crop plants use, often in very similar proportions. They also use resources such as water, sunshine and space that might have gone to crops. The more similar the weed and crop requirements, the more they will compete for those resources. Weeds that compete aggressively with crops reduce their yield. Weeds damage the crop yield and they are highly unwanted. Four factors are especially important: density, timing, size and chemistry. For instance, at very high densities, green foxtail plants tend to compete strongly with each other and thus remain very small. These small plants probably have little competitive effect on the crop even when there are many of them. At medium densities, green foxtail plants grow larger and can severely reduce crop yields. In this example, a reduction in weed numbers may actually increase the weed problem.
Keywords: Weeds, nomadic grazing, introduction of new weeds, fertilizers, fungicides
3. COMPARATIVE STUDY OF ANTHRAQUINONE GLYCOSIDES IN CASSIA SPECIES AND THEIR ANTIMICROBIAL ACTIVITY, pp: 244 – 249
Veenita Tomar*1, Muhammad Arif2 and Manjoosha Srivastava3
*1, 2, 3 Phytochemistry Division, *1Academy of Scientific and Innovative Research CSIR-National Botanical Research Institute, Lucknow, U.P.
*Corresponding author: firstname.lastname@example.org
Received: 5 July, 2018 – Accepted: 13 October, 2018
The Genus Cassia belong to family leguminoseae (sub- family Casealpinaceae) comprises of about 500 species. Out of these 23 species occur in India. C. fistula and C. javanica are rich in anthraquinone glycosides. Leaves of these species are traditionally known to combat skin problems i.e. cuts, burns, wounds and are purgative. The present study deals with comparative, qualitative and quantitative estimation of anthraquinone glycosides in different extracts of leaves and antimicrobial activity of their extracts. On the basis of phytochemical screening methanolic extract was found potential for the estimation of anthraquinone glycosides. Methanolic extract of leaves was found to have maximum anthraquinone glycosides in C. javanica as compared with C. fistula. Aloe-emodin was major identified marker on the basis of Thin Layer Chromatography. Thus anthraquinone glycoside is maximum in methanolic extract of C. javanica leaves as compared with C. fistula leaves. The potential extract of C. fistula leaves having significant activity against bacterial and fungal strains may be utilized for its prospection as antimicrobials for therapeutics.
Keywords: Anthraquinone glycosides, antimicrobial activity, thin layer chromatography, therapeutics
4. ROLE OF BOTANICALS IN PLANT DISEASE MANAGEMENT – A REVIEW, pp: 250 – 255
Vijayshree Gahlot and Mohit Kumar
Department of Plant Pathology, College of Agriculture, Swami Keshwanand Rajasthan Agriculture University, Bikaner, Rajasthan
*Corresponding author: email@example.com
Received: 12 March, 2018 – Accepted: 13 October, 2018
Plant diseases contribute significantly to the total crop losses both at global and national level. In order to mitigate these losses, pesticides are being used. Discovery of Bordeaux mixture is significant in the history of chemical control of plant diseases. The use of synthetic pesticides – fungicides – has undoubtedly resulted in increased crop production. However, these chemicals are hazardous both to man and the environment. Furthermore, they cannot be afforded by many farmers in India, especially with the removal of subsidies on agricultural inputs. To circumvent this situation, new locally produced and safer alternative pesticides should be made available. Research has been done worldwide on the use of botanical pesticides in plant disease control and extracts from many plant species have been found to be active against many phytopathogenic fungi. Further work is required to determine the potential of these extracts in vivo. Some botanicals and the plant pathogens against which they are active are discussed in this review.
Keywords: Botanicals, plant pathogen and pesticides