Flower Pots Research Articles

Personal exposures to particulate matter

Introduction:Diwali or the festival of lights is the most popular festival celebrated in India when firecrackers are burnt by almost every household for 3 days. Levels of ambient air pollution are reported to be very high during the Diwali festival in India. In this study, we aimed to measure and compare the personal exposure levels to particulate matter <2.5 μm in mass median aerodynamic diameter (PM2.5) during burning of six of the most commonly used firecracker types in India.Methods:Sparklers, ground spinners, flower pots, pulpuls, a garland of 1000 sounding crackers, and snake tablets were burnt outdoors in an open area during the late evening hours. Minute by minute PM2.5 levels were measured at a distance and height from where they are normally burnt using Thermo pDR 1200, USA, and a set of five such experiments were conducted to examine the variability between the firecrackers.Results:When measured at a distance and height from where they are normally burnt, the burning of snake tablets produced the highest peak level of PM2.5 (64,500 mcg/m3), followed by a garland of 1000 sounding crackers (38,540 mcg/m3), pulpuls (28,950 mcg/m3), sparklers (10,390 mcg/m3), ground spinners (9490 mcg/m3) and flower pots (4860 mcg/m3).Conclusion:Burning of firecrackers produce extremely high levels of personal exposure to PM2.5 levels that are likely to have significant short-term and long-term adverse health effects. The initiative taken by the Supreme Court of India in 2017 to ban the sale of firecrackers seems to be a step in the right direction to reduce the adverse health impacts in the community.

Effect of Feeding Rate on the Reduction of Total Volatile Solids and Organic Carbon during Combined Composting and Vermicomposting of Elephant Dung

One of the methods of treatment of animal waste to conserve our nature is vermicomposting in which waste-feeding rate is one of the important parameters to be considered. This paper is concerned with studying and analyzing the effect of feeding rate on the reduction of total volatile solid and total organic carbon during vermicomposting of elephant dung.&#x0D; The raw dung collected from the Central Zoo, Jawalakhel, Nepal was composted in a heap on the open ground after removal of inorganic substances by hand sorting and manually breaking of lumps. Composted dung only after two weeks was feed in the circular earthen flower pots having average diameter of 0.15 m and surface area of 0.017 m2 each with small holes at the bottom. The adult healthy Eiseniafetida with a stocking density of 1.6 kg-worm/m2 with feeding rates of 0.75, 1, 1.5 and 2kg-feed/kg worms/day in the batch basis were used in the separate sets for vermicomposting in moisture content of 70 to 80% at normal room condition in two cycles of eight weeks after two weeks of normal composting in a room.&#x0D; It was revealed from the experiment that the combined composting and vermicomposting system with feeding rate of 0.75 kg-feed/kg worms/day was more effective in reducing total volatile solids and total organic carbon content to 42.52% and 23.62% respectively after ten weeks.

The Needs of Street Furniture in the Pedestrian on Urip Sumoharjo Yogyakarta Street

The background of the pedestrian in Urip Sumoharjo Yogyakarta street which conditions are not comfortable for pedestrians to pass, so as to improve the comfort of the pedestrian, in this study try to understand street furniture needed for pedestrian comfort in pedestrians on Urip Sumoharjo Yogyakarta street. Data was collected using a survey method with a questionnaire containing closed questions. The data analysis technique used in this research is quantitative descriptive data analysis. Based on the results of the study showed that men prefer to walk than women, the time when people decide to walk most choose when they go to exercise, the distance traveled by people when deciding to walk is 300-600 meters, street furniture is very much needed for pedestrian comfort in the pedestrian on Urip Sumoharjo Yogyakarta street are street lights, bins, seating, and public toilets. While pedestrians are needed enough are traffic signs, shelters, bollards, and road guardrail. Pedestrians need less is flower pots, fountains and warnings, and waste containers.

APPLICATION OF PROJECT BASED LEARNING MODELS TO IMPROVE ECOLITERACY OF ELEMENTARY SCHOOL STUDENTS THROUGH URBAN FARMING ACTIVITIES

This research is motivated by the concern of the author towards students of Public Elementary School 038 Kiaracondong Bandung who lack awareness in doing greening resulting in an arid and poorly maintained school environment. The purpose of this research is to improve the ecoliteracy of students so that they are more sensitive to the importance of the green environment so that they want to do a greening movement even though they have limited space. This research was conducted with the Classroom Action Research (PTK) method using the design of Kemmis and Taggart (2001) on grade IV students of SDN 038 Kiaracondong Bandung. The results of research conducted in 3 cycles with 12 meetings showed an increase in ecoliteracy in students towards greening the space indicated by behavior, one of which was; 1) students grow awareness to reforest on school land despite limited space; 2) students plant ornamental plants and vegetables with pots that come from processed waste; 3) students are responsible for caring for the plants well; 4) students take care of flowers and give fertilizer regularly; 5) students grow creativity in processing plastic waste into flower pots; 6) students are able to distinguish between types of waste. Through urban farming activities students experience a process of improving ecoliteracy which is not only applied in the school environment but also in the home environment. Keywords: Project Based Learning, Ecoliteracy, Urban Farming

Green Preparation of Straw Fiber Reinforced Hydrolyzed Soy Protein Isolate/Urea/Formaldehyde Composites for Biocomposite Flower Pots Application.

The effects of soil burial on the biodegradation of biocomposite flower pots (BFP) made from straw fiber (SF) and hydrolyzed soy protein isolate/urea/formaldehyde (HSPI/U/F) copolymer resin were studied in detail. The microstructure, crystallinity, functional groups, mechanical, degradation and thermal property of the prepared SF with HSPI/U/F copolymer resin have been studied, and the degradation mechanism was also elucidated. XRD results showed that the bond breakage between SF and HSPI/U/F copolymer resin induced a decrease in relative degradation-resistant crystal structures. FTIR spectra showed that the methylolated HSPI units could form a cross-linking network with U/F and SF. The BFP degradation after soil burial was mainly attributed to the effects of microorganisms. The degradation products were environmentally friendly, because they were degradable and could fertilize the soil. In addition, the U/F adhesives were slightly degraded by the microorganisms due to the HSPI in the pots. The TG and DSC results showed that the molecular motion of the BFP matrix could be restricted by the degradation action and the content of HSPI, resulting in decreased crystallization enthalpy and showing good thermal property. The tensile strength of different reinforced samples was not significantly reduced in comparison to U/F resin, and still kept good mechanical performance. Thus, the prepared SF reinforced HSPI/U/F copolymer resins could have good potential for use in the field of biodegradable flower pots because of their good thermal property, mechanical property, biodegradability, and relatively low cost.

New perspective material for building envelopes

Thin-walled fibre-cement elements are widely used in residential and industrial buildings for their appearance and durability. Because they are made of light-weight materials, they are mostly used as cladding elements for façades of multi-storey buildings exposed to hard external conditions. Nevertheless, there are still demands from architects and building companies to decrease their weight for reducing manufacturing, transport and assembly costs. In one part of our research light-weighing possibilities of standard composition were evaluated by means of porous structure creation. In the second part the standard aggregate was substituted with available kinds of light-weight porous aggregates in a certain part or in a whole volume. As the limit criterion there was maximal particle size 1 mm for spraying of fibre-cement mixture by means of special air pressure equipment. From the range of possible fillers with different material properties granulated expanded glass worked the best. This paper brings not only a summary of laboratory experiments but also examples of successful realizations such as balcony panelboards, façade elements, bridge structure cladding elements or bulk flower pots. Even though these are not structural elements, it was necessary to evaluate also strength characteristics and resistance to environment for their durability in certain applications.

Socioeconomic and Human Behavioral Factors Associated With Aedes aegypti (Diptera: Culicidae) Immature Habitat in Tucson, AZ.

Aedes aegypti (L.; Diptera: Culicidae) has been established in the southwestern United States for several decades, but relationships between humans and mosquitoes in this arid region are not well-characterized. In August 2012, the outdoor premises of 355 houses within 20 neighborhoods in Tucson, Arizona were surveyed for containers that could provide larval habitat for Ae. aegypti mosquitoes. At the same time, a knowledge, attitudes and practices (KAP) questionnaire was administered to a resident of each house surveyed for immature mosquitoes. The KAP questionnaire assessed respondents' knowledge and concerns about vector-borne illnesses as well as practices they used to avoid mosquitoes. Of the houses surveyed, 91% had at least one container present, and 64% had at least one container with standing water. On average, each house had 2.2 containers with water at the time of the survey. The overall House Index (proportion of premises surveyed with at least one container with Ae. aegypti immatures present) was 13%. Based on questionnaire responses, there was a significant positive association between the number of residents in the home and the odds of finding Ae. aegypti positive containers on the premises, while household income showed a significant negative association. The reported frequency of checking for standing water was also significantly associated with the odds of finding immatures, although the nature of this association was ambiguous. Flower pots were the principal type of container with Ae. aegypti larvae. These findings show that larval habitat is widely available even in an arid environment and city with good housing and sanitation infrastructure.

Assessing the Prevalence of Risk Factors for Neglected Tropical Diseases in Brazos County, Texas.

Introduction:Although more than one billion people live at risk of neglected tropical diseases (NTDs) in areas of Asia, sub-Saharan Africa, and Latin America, the degree to which they burden countries like the U.S. is unclear. Even though many NTDs such as dengue, leishmaniasis, and Chagas disease are typically not endemic to the U.S., the possibility of their emergence is noteworthy, especially in states like Texas with high levels of poverty, large immigrant populations, geographic proximity to endemic areas, and a climate amenable to the vectors for these diseases. Despite the health threat that emerging NTDs may pose, little is known about the prevalence of risk factors for NTDs in the U.S.Methods:We tested the Community Assessment for Public Health Emergency Response (CASPER) method to assess the prevalence of risk factors for NTDs in Brazos County, Texas.Results: We found relatively low prevalence of risk factors related to travel (5.2% of respondents visited an endemic area in the previous 3 months); however, few respondents reported adherence to mosquito prevention, such as wearing long sleeves and long pants (14.1%, 95% CI: 13.9,14.4) and repellant containing DEET (13.5%, 95% CI: 13.2,13.7). Between 5.4% and 35.8% of respondents had a visible container (e.g., pet water dishes, flower pots, bird baths) that could support mosquito breeding.Discussion:CASPER findings present public health authorities with potential avenues for implementing health education and other interventions aimed at reducing exposure to risk factors for NTDs among Texas residents.

Influence of chemical treatments on mechanical properties of hemp fiber reinforced composites

Abstract Natural Fibers Reinforced Composites (NFRC) are finding much interest as a substitute for glass or carbon reinforced polymer composites, like for instance automobile interior linings (roof, rear wall, side panel lining), shipping pallets, construction products (i.e. composite roof tiles), furniture and household products (i.e. storage containers, window and picture frames as well as food service trays, toys and flower pots) as well as fan houses and blades. However, a notable disadvantage of lignocellulosic fibers as reinforcements is their polarity which makes it incompatible with hydrophobic thermoplastic matrix. This incompatibility results in poor interfacial bonding between the fibers and the matrix. This in turn leads to impaired mechanical properties of the composites. This defect can be remedied by chemical modification of fibers so as to make it less hydrophilic. In this paper experiments have been performed to further the development of natural fiber reinforced composites. Untreated and treated surfaces of hemp fibers were characterized using Fourier Transform Infrared (FTIR) spectroscopy and Scanning Electron Microscopy (SEM). Fiber-matrix adhesion was promoted by fiber surface modifications using an alkaline treatment and (3-Glycidyloxypropyl) trimethoxysilane coupling agent. The mechanical behaviour of epoxy matrix composite reinforced with woven hemp was studied and mechanical test results show that silane treatment of hemp fibers improves, both tensile and flexural properties of the composites, although no high values are obtained.

Le balcon, les pots de fleurs et la mehitza

L’histoire de la separation des sexes dans les synagogues francaises depuis le xixe siecle illustre le fait que loin d’etre un invariant, la conflictualite religieuse sur le genre est liee a des moments d’autonomisation, de transnationalisation et de differenciation interne des champs religieux. A partir des annees 1980-1990, l’arrangement des sexes a la synagogue est devenu un marqueur symbolique des frontieres internes au judaisme francais. Le retour de la mehitza (separation physique entre les sexes a la synagogue) est utilise comme marqueur d’authenticite orthodoxe dans les concurrences entre Consistoire et synagogues orthodoxes independantes, avant que l’acces des femmes a la participation egalitaire au rituel ne devienne, en reaction, un marqueur de « non-orthodoxie » avec le developpement des synagogues liberales et massorties en France. La configuration actuelle contraste avec un moment anterieur de politisation religieuse du genre au xixe siecle, ou les nouveaux balcons pour les femmes dans les synagogues symbolisaient, vis-a-vis de l’Etat francais et de la societe majoritaire, la modernite religieuse juive.

Risk assessment of dengue fever in Qatar

Background: Dengue Fever constitutes a major international public health concern due to rapid expansion of geographic distribution of the virus and the mosquito vector of the disease. In this paper we aim to review the risk of Dengue Fever introduction to Qatar. Methods: Review of the Literature for the factors responsible for the worldwide spread of dengue fever and assess these factors in Qatar. Results: Internationally, the Global Climate Change is believed to be responsible of Dengue geographical expansion. High Temperature and humidity in Qatar are suitable climatic conditions for breeding of Dengue vectors Aedes aegypti and albopticus. The rapid urbanization in Qatar constitutes a favorable environment for breeding sites of Dengue vectors, as the mosquito prefers to breed in artificial containers such as discarded tires, drums, cans, buckets, flower pots, and vases. High number of international travelers, especially form dengue endemic countries to Qatar is a very important risk factor. The rapid human population growth in Qatar if combined with circulation of different dengue virus serotypes is an important risk factor for development of sever forms of Dengue Fever. Unspecific clinical presentation in addition to presence of asymptomatic dengue cases poses a challenge to the diagnosis capability of medical doctors in Qatar and hence to under reporting of dengue. Conclusion: Dengue Fever is an imminent risk to Qatar. Entomological survey is needed to determine the presence, capacity and density of Dengue Vector in Qatar. Strengthen Dengue surveillance in international travelers will work as sentinel for dengue risk in Qatar.

Development of diversified product using waste cotton and wool fibres

Cotton is a cellulosic fibre obtained from plants and wool is also fibre which obtained from animal hair. A diversified product refers to the produce the large variety of manufactured products from raw material such as waste cotton rags and wool fibres. Cotton and wool waste is worthless and also pollutes the environment. Waste cotton rags and wool fibres can use in developing diversified products. The diversified products made by waste cotton and wool are decorative and functional in nature. Decorative products include photo frame, greeting cards, flower pots, lamp lighting, flowers, mask, wall hanging, while functional articles includes book holder, guest book, tea coaster, pen holder etc.present study mainly focused on the pre consumer waste, post-consumer waste, waste clothes management, how to develop the different diversified products by using waste cotton and wool pieces, benefits of these products to consumers and environment.The present study is more relevant and beneficial because now-a-days cotton industry discharges different types of waste across the state and country which can be manage by developing decorative and functional diversified products in econ friendly manner. Present study suggests an innovative way of waste clothes management which helps in converting the waste material into different useful and decorative products using waste cotton rags and wool fibres.

The Eccentric Engineer - Built Environment: The gardener whose work let to today's cityscapes

Joseph Monier's frustration with broken flower pots in the 19th century led him to create a tough material that could build skyscrapers.

Application of waste from utilitarian ceramics for production of cement mortar and concrete

The preliminary results of utilization of ceramic waste for the produce of ceramic mortars and concrete has been presented. Currently, ceramic wastes from the production of ceramic flower pots and covers are not used in any form. The chemical composition of this waste materials was determined using X-ray fluorescence (spectrometer ARL Advant 'XP). Cement mortar and concrete were made using CEM I 42.5 R. The results showed that the compressive strength (after 28 days) of cement mortar increased with the increase of size reduction of the ceramic waste. The highest compressive strength (increased by 5.0% compared to the control sample) was found for cement mortars in which waste pottery with fragmentation of less than 0.2 mm were used. These mortars also showed the highest frost resistance (after 150 freeze and unfreeze cycles), whereas the largest decrease the compressive strength (over 17%) after the frost resistance test showed samples of the cement mortar with the ceramics waste fragmentation in range 1.0-3.0 mm. Studies have also shown that the compressive strength of concretes increase with added the ceramic waste (10-30%) instead of natural aggregate. The highest compressive strength (approximately 12.3%) compared with the sample control show the concrete in which 30% of the natural aggregates were replaced by the ceramics waste. Furthermore, using up to 30% of ground ceramic in the concrete reduces its water absorption capacity.

Threat from Emerging Vectorborne Viruses

The earliest members of genus Homo were surely bedeviled by blood-feeding arthropods, some of which doubtless carried zoonotic pathogens. However, the phenomenon of vectorborne human epidemic disease began only after humans began building settlements 15,000 years ago (1). Settlements offered pathogens not only host density but also opportunities for their vertebrate reservoirs and arthropod vectors to cohabit with us. Epidemic Yersinia pestis (the Medieval Black Death) was only possible because black rats (Rattus rattus), the host of the vector flea, had become extraordinarily successful at living off human garbage and nesting in our buildings.

Update on Zika Virus Infections

Zika virus is a mosquito-borne flavivirus that is the focus of an ongoing pandemic and public health emergency (1, 2). Previously limited to sporadic cases in Africa and Asia, the emergence of Zika virus in Brazil in 2015 heralded its rapid spread throughout the Americas. As the Zika virus has widely spread in less than a year, its status has changed from a mild medical curiosity to a disease with severe public health implications (3). Serosurveillance studies in humans suggest that Zika is widespread throughout Africa, Asia, and Oceania. However, these studies may overestimate the virus’s true prevalence, given the serologic overlap between Zika virus and related flaviviruses, such as dengue virus (DENV) and west Nile virus (WNV) (4-6). Historically, symptomatic Zika virus infections were limited to sporadic cases or small clusters of patients (7). Zika was first reported in May 2015 in continental South America, in Brazil, where 440000 1300000 persons were subsequently infected through February 16, 2016. Furthermore, 29 other countries in the Americas have reported autochthonous Zika virus transmission, including Puerto Rico and the U.S. Virgin Islands (8). Zika virus, like other flaviviruses, is transmitted by mosquitoes, primarily of the Aedes (Stegomyia) genus (911). Mosquito acquisition of the virus likely occurs during a blood meal; after uptake, the virus replicates and is transmitted to a reservoir animal at the next blood meal (12). Other non-vector modes of Zika virus transmission are congenital, perinatal, and sexual. Possible transmission via blood transfusion, animal bite, and laboratory exposure has been described; however, confounding by contemporaneous vector-borne transmission in these instances cannot be excluded (13-18). In humans, the incubation period from mosquito bite to symptoms is 3 12 days. Infection is likely asymptomatic in 80% of cases. All ages are susceptible (4 days to 76 years), with a slight preponderance in females. When symptoms occur, they are typically mild, self-limiting, and nonspecific, similar to other arbovirus infections. Commonly reported symptoms include rash, fever, arthralgia, myalgia, fatigue, headache, and conjunctivitis. Rash is a prominent feature and is maculopapular and pruritic in most cases; it begins proximally and spreads to the extremities, with spontaneous resolution within 1 4 days of onset. The symptoms resolve within 2 weeks, and accounts of longer persistence are rare (7, 12, 19). More severe clinical sequelae have increasingly been associated with Zika virus. During the ongoing outbreak in Brazil, reports of infants born with microcephaly have markedly increased. Also, severe neurologic sequelae have also been described in adults, including meningitis and meningoencephalitis (20). Non-neurologic sequelae include transient hearing loss, hypotension, and genitourinary symptoms (21-23). Zika virus disease is usually relatively mild and requires no specific treatment. People sick with this virus should get plenty of rest, drink sufficient fluids, and treat pain and fever with common medicines. If symptoms worsen, they should seek medical care and advice. There is currently no vaccine available (24). Mosquitoes and their breeding sites pose a significant risk factor for Zika virus infection. Prevention and control relies on reducing mosquitoes through source reduction, and reducing contact between mosquitoes and humans (25). This can be done by using insect repellent regularly; wearing clothes (preferably light-colored) that cover as much of the body as possible; installing physical barriers in buildings, such as window screens, closed doors, and windows; and if needed, the use of additional personal protection, such as sleeping under mosquito nets during the day. It is extremely important to regularly empty, clean, or cover containers that can store water, such as buckets, drums, and pots. Other mosquito-breeding sites should be cleaned or removed, including flower pots, used tires, and roof gutters. Communities must support the efforts of the local government to reduce the density of mosquitoes in

Description botanical park in the world

A green wall is a wall partially or completely covered with greenery that includes a growing medium, such as soil. Most green walls also feature an integrated water delivery system. Green walls are also known as living walls or vertical gardens. Green walls are used as one of means which for many years have been used to enrich the appearance of building elevations. They make it possible to introduce greenery into urban areas, which are often limited by the size of the building plot. They add an exceptional aesthetic aspect to the so-called ‘blind’ walls found in city centers. Green walls not only bring with them an element of beauty and integration with nature, but by being used to a wider extent, could also have a positive impact on the city’s micro climate. Various technologies enable the creation of green walls on the outside of buildings as well as in semi-open spaces and interiors. In this publication, five different methods of setting up living walls are described, from the relatively simple technique of planting climbers that easily cover bare walls to modular panel systems or green wall systems with flower pots to ‘living wall’ solutions and finally, to Patrick Blanc’s highly sophisticated vertical garden technology.

Rudimentary cesspits as breeding sites for Aedes aegypti in urban areas of Northern Brazil

We evaluated rudimentary cesspits as potential breeding sites for the mosquito Aedes aegypti and mosquito production compared to those officially designated common breeding sites (CBS). In November and December of 2009, immature forms of the insect were collected in water samples of cesspits as well as of CBS, the latter being any object that potentially accumulates water such as used tires, flower pots and sites of solid waste disposal. Samplings were performed in urban areas of two municipalities of Rondonia State in the Brazilian Western Amazon. Immature and adult forms of Ae. aegypti were observed in cesspits confirming these as novel breeding sites for the mosquito in that region. The proportion of cess¬pits found with Ae. aegypti immature forms in the two surveyed localities were as follows: Espigao do Oeste, 50.0% and Jaru, 27.3%. Moreover, the average number of insects did not differ significantly in the sampled cesspits and CBS. These results provides subsidies for change in the policies and strategies of dengue vector control in Brazil, taking into account the limited sanitation infrastructure and the local particularities of the Amazon Region. They also point to the urgency of investments and adequacy of efforts in systems of public sanitation in developing countries, to aid in the control of this important vector of viral diseases.

Backward as well as forward sluing

Backward as well as forward sluing Erin Coughlin Hollowell (bio) I’ve been saving little boxes, empty cans, jars that held olives or mustard, envelopes, broken flower pots and especially beautiful bottles that were dug out of the dump. Soon I’ll begin putting things by: the goose that liked to bite your ankles, Aunt Hilda’s Parliament cigarettes, the crinkling brown wrappers from a Whitman’s Sampler, a forty-year-old lock of my hair tied with red ribbon, the way you say I love you, too when you aren’t sure who I am, the letters that Dad sent you during World War II, porcelain angels, and pictures of us squinting into sunlight or leaning on huge old cars in empty parking lots. I’ll tuck little pieces of years deep in the drawer where I keep my socks, just so when I am alone [End Page 96] at the table, I can crack open a bottle and smell the sweet of your cheek when you kissed me goodnight, the sheets clean and smooth, darkness still an hour away. [End Page 97] Erin Coughlin Hollowell Erin Coughlin Hollowell is a poet and writer who lives at the end of the road in Homer, Alaska. Her first collection, Pause, Traveler, was published by Boreal Books, an imprint of Red Hen Press. She has been awarded a Rasmuson Fellowship, the Connie Boochever Award, and a Rona Jaffe Scholarship to Bread Loaf. Hollowell was one of the inaugural recipients of the Alaska Literary Award in 2014. Copyright © 2015 University of Nebraska Press

Traditional dye yielding plants used by different communities of Manipur, north eastern India

Manipur harbours rich diversity of dye-yielding plant species and some of the species are at the verse of extractions. Since time immemorial, different ethnic groups in the valley and hill regions of Manipur State have practiced the art of dyeing clothes and other items with natural dyes. The natural dyes were obtained from different plants species which have been used by weavers for imparting different shades of colour to different clothes, bamboo baskets, flower pots, fishing nets etc. The present study was undertaken to survey, document dye-yielding plants and the indigenous knowledge of preparation of natural dyes by the tribal communities of Senapati District of Manipur State. The Survey was carried out during May 2010 to April 2013 by frequent visits to different parts of district located between 24°45΄-24°51΄ N latitude and 93°48΄-93°55΄ E Longitudes at an altitude ranging from 865 m to 1785 m above mean sea level. The information on traditional knowledge of preparation of dye was collected through the interview and formal discussion with weavers/dyers. During the survey, 30 dye yielding plant species belonging to 23 families have been identified and documented used for the preparation of natural dyes by the local inhabitants of the state. Mahonia manipurensis Takeda, the endemic plant species belonging to the region. The present study was undertaken to explore and document availability of 30 natural dye-yielding plant species of Manipur with indigenous knowledge of preparation of natural dyes by the tribal-communities of the state.