All plant extracts showed moderate effects after 24 h of exposure. Laboratory assessment of molluscicidal and cercariacidal. A study of the larvicidal and molluscicidal activities of. Larvicidal, molluscicidal and nematicidal activities of.
Molluscicidal activity of methomyl and cardenolide. Presl leaf extracts, possesses molluscicidal activity against oncomelania hupensis and inhibits infection of schistosoma japonicum pdf paperity. Molluscicidal activity of the aqueous extract of garlic. Molluscicidal activity of various solvent extracts from solanum nigrum var. Pdf molluscicidal activity of various solvent extracts. Original article comparative molluscicidal activity of. Molluscicidal activities of leaves, ripe fruit and unripe fruit extracts of s. Molluscicidal activity examination for the extracts were performed after 24 h and 48 h of exposure. An acidbase treatment of the methanol extract was performed as follows. Author links open overlay panel tianyi cui qingan zheng liuxi mi lihong zhang. The use of plants with molluscicidal properties appears to be a simple and. The search of herbal preparations that do not produce any. Don ex loudon fruits, bark and leaves were tested for molluscicidal activity. To prepare extracts for screening of molluscicidal activity, bark was separated from the plant.
These three plant extracts are recommended to be used as molluscicidal agents. In addition, a simple colorimetric method, based on kedde reagent, was modified to determine cardenolide concentrations in plant extracts. The groups treated with the leaf extracts or linalool exhibited an exposure concentration and timedependent mortality against. The toxicity of both plants was time and concentrationdependent.
More than plant species have been screened for molluscicidal activity 5. Molluscicidal activity of thevetia peruviana, a common. Effect of combined plant extracts on golden apple snail pomacea canaliculata lam and giant earth worm pheretima sp. Molluscicidal and piscicidal activities of extracts of. Then, the molluscicidal activity decreased gradually in fractions 8 and scopaia and disappeared in the last fractions. Their total phenolic and flavanoid contents were assessed. J egypt soc parasitol alkaloids of haloxylon articulatum. Molluscicidal activity was assessed by determining the ability of various concentrations of the aqueous plant extracts to kill adult biomphalaria pfeifferi, the intermediate host of s. The prevention of fasciolosis is difficult, despite the efficiency of the measures taken. Molluscicidal activity lc50 and lc90 of different plant extracts against the freshwater snail lymnaea caillaudi after 24 hours of exposure under laboratory conditions. Molluscicidal potency of four plant extracts on three. The negative impact of synthetic molluscicides on the environment and their high cost necessitated search for an alternative approach of using plant extracts for the control of schistosomiasis.
Different plants have been reported as molluscicides 47. The study assessed the molluscicidal and piscicidal activities of castor plant ricinus communis using its fruit dried and fresh against large and small golden apple snails gas and mosquito fish. These roots were treated with above prepared extracts of 10 concentrations. The antioxidant activity was estimated using 2, 2di phenyl1picrylhydrazyl dpph as free radical scavenger. The present work was planned to study the effect of subl. Molluscicidal and antiparasitic activity of solanum. Plantbased products, namely essential oils eos, are environmentally friendly alternatives for the control of disease vectors, hosts andor parasites. The fruits, barks and leaves were extracted with methanol and the methanol extracts were kept for testing as molluscicides. The high larvicidal activity of tinospora rumphii leaf is supported by the abundance of phytochemicals which show synergestic effects in terms of larvicidal action to mosquito larvae.
Fairyland 2 activitybook fairyland 2 pupils book download. The molluscicidal activity of aqueous extract of launaea nudicaulis and limoniastrum feei against the snail lymnaea stagnalis was studied. The study was conducted to evaluate the molluscicidal activity of e. Molluscicidal activity of some solanum species extracts. Plant molluscicides can prove to be an ideal source of low cost, safe and effective molluscicides 89. Molluscicidal activity of entada rheedii methanolic. Molluscicidal activity was not observed sccoparia extracts a and c and was concentrated in extract b total alkaloids. Tech rep ser the toxicity of these preparations was also tested on g. Est can be viewed as a pathological index of toxicity. Laboratory assessment of molluscicidal activity of glinus. Ocimum americanum, sonchus luxurians, aloe secundiflora, bridelia micrantha and croton megalocarpus against biomphalaria pfeifferi adult and juvenile snails.
Molluscicidal activity of camellia oleifera seed meal. According to the results of the pilot experiments, the most effective plant sample was selected with regard of 100% average mortality within 48 h period of time. Read molluscicidal properties of glycoalkaloid extracts from moroccan solanum species, phytotherapy research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Molluscicidal activity of the aqueous extracts from solanum mammosum l. Here, we studied the general toxicity and biopesticidal potential of eos and phenylpropanoids from foeniculum vulgare var. Molluscicidal activity of acacia seyal dell bark methanolic extract. Molluscicidal evaluation of the plant extracts was performed according to who guidelines. Characterization of the molluscicidal activity of bauhinia. Conclusion all extracts show strong molluscicidal activity. Molluscicidal activity of nerium indicum mill, pterocarya.
Pdf molluscicidal activity of the aqueous extracts from. Characterization of the molluscicidal activity of bauhinia variegata and mimusops elengi plant extracts against the fasciola vector lymnaea acuminata kanchan lata singh, d. Free fulltext pdf articles from hundreds of disciplines, all in one place linalool, derived from cinnamomum camphora l. Molluscicidal effectiveness of luowei, a novel plant. Read the molluscicidal activity of plants used in brazilian folk medicine, phytomedicine on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Larvicidal activity of medicinal plant extracts against.
Groups of 10 uninfected snails were placed in glass tanks containers with some sand, snail food, and ml of deionized and dechlorinated pond or. We aimed to test the molluscicidal activity of 4% tds against the. The fruits, barks and leaves were extracted with methanol and. Desert date plant shows mollucicidal activities however it is found. The use of molluscicidal plant products is becoming interesting due to their environmental friendliness, accessibility and easy application. This stock solution was then used to make a serial dilutions to obtain the 200, 100, 50 and 25 ppm. Ten adults biomphalaria alexandrina, of the same size, were introduced in plastic acquaria for each experiment. With respect to molluscicidal activity, extracts from. The molluscicidal activity of bauhinia variegata leaf and mimusops elengi bark was studied against vector snail lymnaea acuminata. The results of mortality were statistically analyzed using probit analysis to estimate the ld 50 and ld 95. Snails were collected and kept in dechlorinated water under standard condition. Among organic extracts, ethanol extracts of both plants were more toxic. Molluscicidal assay the molluscicidal activity of oilseed camellia meal extracts was tested against golden apple snails, p.
Full text of molluscicidal activity of the methanol. We aimed to test the molluscicidal activity of 4% tds against the intermediate host snails in china and egypt, and evaluate its. Platanic acid has been reported for the first time in vitex trifolia and even in the family of this plant. This study aims at evaluating the molluscicidal and piscicidal activities of ricinus.
Chemical constituents of ethanol extract of leaves and. Evaluation of molluscicidal activity of anadenanthera. This research is aimed to evaluate the molluscicidal effect of achyranthes aspera on biomphalaria pfeifferi and lymnaea natalensis snails, which are of great medical and veterinary importance in ethiopia. Biomphalaria alexandrina is the intermediate host of schistosoma mansoni in egypt. Harrisonia abyssinica root water extracts had the highest molluscicidal activity, similar to the positive. Antioxidant and antimicrobial properties of five medicinal.
The molluscicidal activity of hammada scoparia leaf extracts and the principal alkaloids isolated from them carnegine and n methylisosalsoline were tested against the mollusc gastropod, galba truncatulathe intermediate host of fasciola hepatica in tunisia. The golden apple snails with size range of 20 40 mm were. Molluscicidal activity of some solanum species extracts against the. A cepa were sprouted in tap water for 48 hr at room temperature. Pdf molluscicidal activity of some solanum species extracts. Comparing the lc95 values of the water extracts of the three plants against adult snails, showed high activity for calotropis procera plant 1100ppm, followed by nicotiana tabacum plant 86ppm, as well as trigonella foenum plant 2085ppm.
Biological control stands to be a better alternative to the chemical controls aimed against snails. Molluscicidal activity of aqueous leave extract of. Villosum l aerial parts against galba truncatula article pdf available in parasite 181. The molluscicidal activity of hammada scoparia leaf extracts and the principal alkaloids isolated from them carnegine and nmethylisosalsoline were tested against the mollusc gastropod, galba truncatula, the intermediate host of fasciola hepatica in tunisia. Molluscicidal properties of glycoalkaloid extracts from. Molluscicidal effects of aqueous extracts of selected medicinal. Molluscicidal activity of hammada scoparia pomel iljin. These snails are intermediate hosts of fasciola hepatica and fasciola gigantica which cause endemic fascioliasis of cattle and other livestock in the northern part of india. The results indicated that the molluscicidal activity was correlated with the. A preliminary screen to detect extracts with molluscicidal activity was run using a simple bioassay according to who recommended the methodology. Download pdf infectious diseases of poverty biomed central. Specific weight of each sample about 50 g of the powdered sample. Molluscicidal activity of punica granatum bark and canna indica root.
After removing and evaporating the butanol we obtained extract c 3. Solanaceae biomphalaria tenagophila schistosomiasis is a chronic and debilitating disease. Biomolluscicides development is of great interest in pest management to avoid the effects on the environment caused by synthetic molluscicides. Environmentally safe plant extracts are improved alternatives for these harmful synthetic toxicants. This plant has been collected in tozeurs traditional oases southwestern tunisia. Chemical constituents of ethanol extract of leaves and molluscicidal activity of crude extracts from vitex trifolia linn. Cupric chloride at activity of euphorbia splendens var. Although extracts from the leaves of annona muricata were by far the most active 90% mortality at 73 ppm and could have direct application, extracts from the other plants studied in the present work will certainly be of value in the search for new lead compounds with larvicidal activity. Molluscicidal definition of molluscicidal by the free. The main objectives of this study was to evaluate the molluscicidal activity of aqueous leaf extract of solenostemm a argel del hayne plant against adults of biomphalaria pfeifferi snails under laboratory conditions. The evaluation of the molluscicidal activity of the extracts was determined in.
Five libyan medicinal plants thapsia garganica, hammada scoparia, euphorbia serrata, hyoscyamus albus and retama rateam were selected to evaluate their biological activities. The objective of this study was, therefore, to evaluate aqueous and ethyl acetate crude extracts of glinus lotoides fruits for their cercariacidal activity and molluscicidal effect against schistosome. Also, there is a continuous need to search for new plant species with ideal molluscicidal properities 23. Molluscicidal activity of the methanol extract of callistemon viminalis. Evaluation of antimitotic activity of solanum torvum using. Research article open access molluscicidal effectiveness. Molluscicidal activity of the saharian medicinal plants. Molluscicidal activity was assessed by determining the ability of various concentrations of the aqueous plant extracts to kill adult biomphalaria.
The plants examined in this study were selected on the basis of ethnopharmacological information indicating their medical uses in schistosomiasis. Different extracts proved to have molluscicidal activity against the vector of schistosomiasis, b. Molluscicidal activity was not observed for extracts a and c and was concentrated in extract b total alkaloids. Preparation of crude extracts extraction was carried out according to the method described in harbone 1984. The results show that ethyl acetate and acetone extracts from the whole plant, the. Relative sensitivity of zebra mussel dreissena polymorpha life stages to two copper sources. Information on molluscicidal activity of thevetia peruviana, a common medicinal plant of india, against 2 economically important freshwater snails lymnaea acuminata and indoplanorbis exustus is presented. Extracts decreased the glycogen content of the snailssoft tissues greatly, and also the protein content.
Molluscicidal activity of aqueous extract of leaves, stem back and. However, it has been established that not only saponins but also some sesquiterpenes, flavonoid, glycosides as well as phorbol esters possess molluscicidal properties 4,10,14. Only the whole plant extracts were available in sufficient quantity for the determination of ld50 and ld90 values. Some plant extracts have shown obvious molluscicidal activity, and a new compound luowei, also named teaseed distilled saponin tds, was developed based on the saponins extracted from camellia oleifera seeds. Thin layer chromatography analysis tlc showed several cardiac glycosidal compounds in each plant extract. We focused on the laboratory determination of lethal concentrations lc 50 and lc 100 through a static bioassay test. The bulbs that developed uniform root were used for the experiment. Larvicidal activity of selected plant extracts against the. Hammami h, ayadi a tech rep ser the molluscicidal activity of hammada scoparia leaf extracts and the principal alkaloids isolated from them carnegine and n methylisosalsoline were tested against the mollusc gastropod, galba truncatulathe intermediate host of. Screening for molluscicidal activity in medicinal plant.
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