Green synthesis of silver nanoparticle using plant root extract of croton sparsiflorus and their antimicrobial activity pallavi joshi, joy h, priyank vyas. Larvicidal efficacy of medicinal plant extracts against the. Mosquito repellent activity of phytochemical extracts from. The repellent activity of methanol extracts from 23 aromatic medicinal plant species and a steam distilfate against starved ae. The control was set up with acetone and polysorbate 80. Details of plants used for the present study and conditions at which highest mortality has been noticed are depicted in table 1. The efficacy of the plant extracts as larvicide against the denguevector aedes aegypti mosquito was evaluated in accordance with the guidelines of world health organization. Larvicidal activity of silver nanoparticles synthesized. Evaluation of mosquito repellencies of capsicum frutescens, carica papaya and cyanodon dactylon extracts. The plantbased insecticides are a better substitute to the recent control practices of honeybee pathogenic bacteria and mosquito. Extracts or essential oils from plants may be alternative sources of mosquito larval control agents, as they.
Possibility of using isolated alkaloid compounds and crude. Almekhlafi, nael abutaha, muhammad farooq, and muhammad alwadaan 2018 insecticidal effect of solenostemma argel extracts against culex pipiens. Mosquito repellent activity of phytochemical extracts from peels of citrus fruit species. Pdf larvicidal activities of six plants extracts against two mosquito. Mosquito is a vector for serious human diseases like dengue fever, hemaorrhagic dengue fever and chikungunya. Insecticidal effects of plant extracts vary not only according to plant species. To the best of our knowledge this is the first time larvicidal activity of aloe extracts is reported. Pdf aloe plant extracts as alternative larvicides for. Green synthesis of silver nanoparticle using plant root. Larvicidal activity of some plant extracts against mosquitoes. The control group did not have deaths until day 11, six days after spraying, while all of the other groups had deaths starting in days 68, two to four days after spraying. Plant extracts are suitably scaled up for large scale biosynthesis of silver nanoparticles in a controlled manner according to their size, shape and.
Larvicidal activity of phytosteroid compounds from leaf extract. Unfortunately, the management of these disease vectors using synthetic insecticides has failed in part due to their. These plant extracts are easy to prepare, inexpensive and safe for mosquito control which possess enough potential in larvicide and adulticide can be used directly as larvicidal and adulticidal agents in small volume. Nepetalactone, the active ingredient present in catnip plant extracts, is known to occur as two isomers. Mosquito larvicidal activity of hyptis suaveolens filarial. A secondary aim is to analyze the scientific bases and relevancy of the use of plant eos and chemical components of these oils in patented mosquito repellent formulations. Application of active toxic agents from plant extracts as an alternative mosquito control strategy was available from ancient times. During the last decade, a variety of studies on natural plant products against mosquito vectors.
To test this, larvae were exposed for 24 h to the aqueous plant extract at 1500, 3000, 4500. Larvicidal activity of medicinal plant extracts against anopheles. Here, we performed in vitro screening of nepeta clarkei hook. Mosquito repellent, lantana, calotropis, lemon grass, tulsi and neem, aedes aegypti mosquito how to control of mosquitoes in temperate climatic condition when so many mosquito bitten. A study on the larvicidal activity of some medicinal plant extracts. Batches of 20 thirdinstars larvae of aedes aegypti were placed in a small plastic container with. Use of nepeta clarkei extracts for controlling honey bee. The larvae treated with plant extracts in the present study indicate an effect on neurotransmitters and detoxification enzymes. Most of the mosquito control programs target on the larval stage in breeding sites, as. Pdf plant extracts as potential mosquito larvicides. Harmful effects of using synthetic chemical insecticides in mosquito control including vector resistance, environmental pollution and health hazards have.
The plant parts used in the experiments were dried in the shade and ground to powder. Neem leaf extract the leaves of the plant material were shade dried 282c, ground and sieved to get fine powder from which the extracts were prepared. Larvicidal efficacy of medicinal plant extracts against the vector. The larvicidal activities of the extracts against the mosquito larvae under laboratories conditions are given in table 2. Larvicidal efficacy of medicinal plant extracts against. The repellent activity was dependent on the strength of the plant. Larvicidal activity of some medicinal plant extracts against. The best mosquito repelling plants for your garden are lavender, marigolds, citronella grass, catnip, rosemary, basil, scented geraniums and more. A secondary aim is to analyze the scientific bases and relevancy of the use of plant eos. Product labels it is very important to read the label before using any mosquito repellent and remember the. Larvicidal and adulticidal effects of extracts from some indigenous. The mosquito repellent activity of phytochemical extracts from peels of five citrus fruit species, citrus sinensis, citrus limonum,citrus aurantifolia, citrus reticulata and citrus vitis, was investigated. Larvicidal activity of some medicinal plant extracts.
All 12 concentrations of plant extracts from mexican marigold, lemongrass, rosemary, and citrosa confirmed that their broad spectrum of chemicals were effective as repellents against a. The importance, how to, effect causes relationship, comparison, history, role, solutions are discussed. Mar 08, 2018 12 plants and herbs that naturally repel mosquitoes. Get free research paper on production of mosquito repellent insecticides using plant extracts our project topics and materials are suitable for students in nigeria with case studies in pdf, doc. Mosquito control includes targeting the adult mosquito through spraying chemical insecticides or by killing the mosquito larvae before they emerge into adults via using synthetic larvicides or botanical extracts as an alternative larvicide 7. Methanol extracts of the plant was obtained by taking 50g of dried leaf and flower in a separate container. The final mortality in the control group was only 30%, while the other groups had a final mortality of 65% to 95%. Their leaves and flowers emit smells that naturally deter mosquitoes and other insects, but are pleasing to people. Abstract the mosquito repellent activity of phytochemical extracts from peels of five citrus fruit species, citrus sinensis,citrus limonum,citrus aurantifolia, citrus reticulata and citrusvitis, was investigated. Mosquito repellent activity of phytochemicalextracts from peels of citrus fruit species. Evaluation of mosquito repellencies of capsicum frutescens.
Larvicidal activity of different concentrations against an. Larvicidal activity of selected plant extracts against the dengue vector aedes aegypti mosquito pedro m. The present study was carried out to evaluate the larvicidal activity of leaf extracts of ambrosia arborescens and greensynthesized silver nanoparticles agnps using aqueous extracts obtained from this plant against third instar larvae of ae. Extracts of annona species are potential anti mosquito. Mosquitos and the diseases they transmit terry county. Testing the mosquito repellent activity of plant extractsessential oils using armincage method. Preliminary evaluation of mosquito larvicidal efficacy of. List of plant species used for the preparation of aqueous extracts and results of their impact on aedes albopictus larvae sl. Plasmodium spp, the vector mosquito has to be controlled. Additionally, aloe plant extracts tested as alternative larvicides for mosquito control, application of these extracts to larval habitats may lead to promising results in malaria and mosquito. Larvicidal activity of selected plant extracts against the dengue vector aedes aegypti mosquito. Kariuki2, regina chepkorir1 and judith kavulani3 1department of chemistry. Extracts of annona species are potential antimosquito. These plant extracts are easy to prepare, inexpensive and safe for mosquito control which possess enough.
Of the various plant extracts from 10 plant species tested against larvae of culex pipiens in the laboratory, only extracts from solenostemma argel exhibited larvicidal activity. In fact, few researchers have reported on the effectiveness of plant extracts or essential oils against mosquito larvae 6,8. Pdf larvicidal activity of medicinal plant extracts against. Ijmrk2 effective mosquito repellent from plant based ijmr. Plant extracts as potential mosquito larvicides ncbi. Larvicidal activity of selected plant extracts against the. The efficacy of both the ethanolic and aqueous extracts of the fruits ofphysalis angulata l. The malaria control strategies in ethiopia include the combination of insecticide treated. Patent literature on mosquito repellent inventions which. To control mosquitoes effectively longterm, you need to use several complementary management techniques, including. These products are available as sprays, wipeons, sticks, foams, and lotions. At present, plant extract products are attractive choices for use in integrated pest management programmes to reduce the residues in the. Insecticidal effect of solenostemma argel extracts against. Development of herbal mosquito repellent formulations.
In this study, the plant crude extracts gave protection against mosquito bites without any allergic reaction. Efficacy of some plant extracts on anopheles gambiae mosquito. Aloe plant extracts as alternative larvicides for mosquito. However, the use of synthetic larvicides imposes threats not. Zhu 2008 stated that activities have been focused on plant extracts or phytochemicals as sources of agents to control mosquito. Also known as mosquito repellant plant, this perennial is.
Mosquito repellent and larvicidal activities of acalypha. The present study was carried out to evaluate the larvicidal activity of leaf extracts of ambrosia arborescens and greensynthesized silver nanoparticles agnps using aqueous extracts obtained. Plant extracts as potential mosquito larvicides pdf. Further, unlike conventional insecticides which are based on a single active ingredient, plant derived insecticides comprise.
One of the earliest reports of the use of plant extracts against mosquito larvae is credited to. The volatile phytochemical extracts were obtained from processed airdried and powdered citrus fruit peels by soxchlet extraction using diethyl ether as solvent. Mosquito control includes targeting the adult mosquito through spraying. The effect of various plant extracts on mosquito larvae exposed to 96 hours, for confirming lethality as per who standards is given in table 2. Organic, plantbased pesticides that rely on plants natural defenses against insects may. Unfortunately, the management of these disease vectors using synthetic. Name of the plant family part used condition at which larval mortality noticed. Larvicidal activity of silver nanoparticles synthesized using. Mosquito control is a vital public health practice throughout.
Screening of methanolic plant extracts against larvae of aedes aegypti and anopheles stephensi in mysore. The present study assessed the role of larvicidal activities of hexane, chloroform, ethyl acetate. The larvae of two mosquito species were exposed to methanolic extracts and mortality counts were made after 24 hours of exposure as per who method. More than 400 plant species, belonging to 101 botanical families, were surveyed. Control of the mosquito larvae is frequently dependent on continued applications of organophosphates. Malaria mosquito control using edible fish in western. Insecticides of plant origin may provide appropriate substitute biocontrol techniques in the future. Rabha medical entomology division, defence research laboratory, tezpur, assam, india key wordsaedes. Screening of methanolic plant extracts against larvae of. Therefore, using natural mosquito repellents derived from plant extracts to control these pests may be an alternative and greener solution 5. Over the past 50 years, experiments have validated its insect repellent activity 7, 8. Larvicidal activity of medicinal plant extracts against.
Therefore, in response to the urgent need for environment friendly mosquito control agents. Sanitation removing food, water, and shelter habitat disruption draining the water where mosquitoes breed biological control using mosquito fish, nematodes, and bacillus thuringiensis israeliensistoxin and. The purpose of this research was to evaluate the potential of plant extracts as natural repellents. Many studies on plant extracts against mosquito larvae have been conducted around the world. Thus this plant based repellent made from 5 plant leaves has promising results in the field study. Biosynthesis of silver nanoparticles by using mangrove. Mosquito larvicidal efficacy of the leaf extracts of annona.
Mosquitoes larvicidal activity of leaf extract of neem azadirachta indica. One such approach to prevent mosquito borne disease is by employing larvicide. Many studies have used plant extracts to control mosquitoes, such as the essen. One important strategy for reducing outdoor mosquito bites is to control the malaria vector.
Efficacy of some plant extracts on anopheles gambiae. Nepetalactone, the active ingredient present in catnip plant extracts, is. Zhu 2008 stated that activities have been focused on plant extracts or phytochemicals as sources of agents to control. Efficacy of some plant extracts on anopheles gambiae mosquito larvae s. The use of plants offers a safer and cheaper way for mosquito control, and it is shown that plants extracts and plant metabolites exhibit insecticidal activity against several mosquitoes such as. At present, plant extract products are attractive choices for use in integrated pest management programmes to reduce the residues in the environment as it has biodegradable e. This is an ideal ecofriendly approach aid for the control of mosquito species, ae. Can insecticides be created out of natural substances. Larvicidal activities of three medicinal plant extracts were studied in the range of 4. Plants may be alternative sources of mosquito control agents. Mosquito repellents 2 these repellents are available that differ in the amount of active ingredient, which is the substance that actually repels the mosquito. The objective of this study was to document the efficacies of mosquito repellents from extracts of plants which are traditionally known to repel mosquitoes.
Zoology, olabisi onabanjo university, agoiwoye, nigeria abtract. Journal of the american mosquito control association. These are nontoxic, easily available at affordable prices, biodegradable and show broadspectrum targetspecific activities against different species of vector mosquitoes. Plant extracts as natural insecticides main content. Rabha medical entomology division, defence research laboratory, tezpur, assam, india key wordsaedes albopictus culex quinquefasciatus laboratory evaluation mosquito larvicide plant extracts mosquitoes are the most important single. Insecticides, integrated mosquito management, larvicides, lc50, plant extracts. Larvicidal activity of different plant crude extracts against fourth instar larvae of ae.
Study of mosquito larvicidal effects of momordica charantia. The control of mosquito is an important public health concern around the world. Preliminary evaluation of mosquito larvicidal efficacy of plant extracts n. Mosquitoes not only are a nuisance but also transmit vector borne diseases like filariasis, dengue fever, japanese encephalitis, etc. This problem is addressed in the current study by preparing two herbal mosquito repellent formulations using highly volatile essential oils together with herbal extracts in the current study, all the 10% vv% extracts have shown 81. Abstract the mosquito repellent activity of phytochemical extracts from peels of five citrus fruit species, citrus. The present study was conducted to determine the mosquito repellent activities of some selected plant materials in order to obtain safe and efficient herbal mosquito repellent formulations by combinations. These are nontoxic, easily available at affordable prices. The effectiveness of botanical extracts as repellents against.
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