Fairyland 2 activitybook fairyland 2 pupils book download. The present work was planned to study the effect of subl. Larvicidal, molluscicidal and nematicidal activities of. Molluscicidal activity lc50 and lc90 of different plant extracts against the freshwater snail lymnaea caillaudi after 24 hours of exposure under laboratory conditions. Platanic acid has been reported for the first time in vitex trifolia and even in the family of this plant.
Molluscicidal activity was assessed by determining the ability of various concentrations of the aqueous plant extracts to kill adult biomphalaria. With respect to molluscicidal activity, extracts from. Molluscicidal activity of various solvent extracts from solanum nigrum var. Laboratory assessment of molluscicidal activity of glinus. 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. Solanaceae biomphalaria tenagophila schistosomiasis is a chronic and debilitating disease.
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. Plant molluscicides can prove to be an ideal source of low cost, safe and effective molluscicides 89. Molluscicidal and piscicidal activities of extracts of. Molluscicidal activity of nerium indicum mill, pterocarya. Effect of combined plant extracts on golden apple snail pomacea canaliculata lam and giant earth worm pheretima sp. We aimed to test the molluscicidal activity of 4% tds against the intermediate host snails in china and egypt, and evaluate its.
Groups of 10 uninfected snails were placed in glass tanks containers with some sand, snail food, and ml of deionized and dechlorinated pond or. Only the whole plant extracts were available in sufficient quantity for the determination of ld50 and ld90 values. The antioxidant activity was estimated using 2, 2di phenyl1picrylhydrazyl dpph as free radical scavenger. The results of mortality were statistically analyzed using probit analysis to estimate the ld 50 and ld 95. A study of the larvicidal and molluscicidal activities of. Characterization of the molluscicidal activity of bauhinia variegata and mimusops elengi plant extracts against the fasciola vector lymnaea acuminata kanchan lata singh, d. Pdf molluscicidal activity of the aqueous extracts from. Molluscicidal activity of the methanol extract of callistemon viminalis. 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. Molluscicidal effectiveness of luowei, a novel plant. Ten adults biomphalaria alexandrina, of the same size, were introduced in plastic acquaria for each experiment. 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.
Among organic extracts, ethanol extracts of both plants were more toxic. Then, the molluscicidal activity decreased gradually in fractions 8 and scopaia and disappeared in the last fractions. 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. A preliminary screen to detect extracts with molluscicidal activity was run using a simple bioassay according to who recommended the methodology. Molluscicidal activity of the aqueous extract of garlic.
Environmentally safe plant extracts are improved alternatives for these harmful synthetic toxicants. Here, we studied the general toxicity and biopesticidal potential of eos and phenylpropanoids from foeniculum vulgare var. Molluscicidal properties of glycoalkaloid extracts from. Author links open overlay panel tianyi cui qingan zheng liuxi mi lihong zhang. The groups treated with the leaf extracts or linalool exhibited an exposure concentration and timedependent mortality against. Different extracts proved to have molluscicidal activity against the vector of schistosomiasis, b. Full text of molluscicidal activity of the methanol. Snails were collected and kept in dechlorinated water under standard condition. Research article open access molluscicidal effectiveness. 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. Desert date plant shows mollucicidal activities however it is found. Plantbased products, namely essential oils eos, are environmentally friendly alternatives for the control of disease vectors, hosts andor parasites. To prepare extracts for screening of molluscicidal activity, bark was separated from the plant.
Chemical constituents of ethanol extract of leaves and. Characterization of the molluscicidal activity of bauhinia. Molluscicidal activity of some solanum species extracts. 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. Villosum l aerial parts against galba truncatula article pdf available in parasite 181. The prevention of fasciolosis is difficult, despite the efficiency of the measures taken. The use of plants with molluscicidal properties appears to be a simple and. After removing and evaporating the butanol we obtained extract c 3. 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. This study aims at evaluating the molluscicidal and piscicidal activities of ricinus. Molluscicidal activities of leaves, ripe fruit and unripe fruit extracts of s.
Molluscicidal potency of four plant extracts on three. Pdf molluscicidal activity of various solvent extracts. The toxicity of both plants was time and concentrationdependent. Relative sensitivity of zebra mussel dreissena polymorpha life stages to two copper sources. These roots were treated with above prepared extracts of 10 concentrations. 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.
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. 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. This plant has been collected in tozeurs traditional oases southwestern tunisia. Molluscicidal activity of the saharian medicinal plants. The study was conducted to evaluate the molluscicidal activity of e. An acidbase treatment of the methanol extract was performed as follows.
Ocimum americanum, sonchus luxurians, aloe secundiflora, bridelia micrantha and croton megalocarpus against biomphalaria pfeifferi adult and juvenile snails. The use of molluscicidal plant products is becoming interesting due to their environmental friendliness, accessibility and easy application. Biomphalaria alexandrina is the intermediate host of schistosoma mansoni in egypt. Molluscicidal effects of aqueous extracts of selected medicinal. Free fulltext pdf articles from hundreds of disciplines, all in one place linalool, derived from cinnamomum camphora l.
Specific weight of each sample about 50 g of the powdered sample. Harrisonia abyssinica root water extracts had the highest molluscicidal activity, similar to the positive. The search of herbal preparations that do not produce any. 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. The fruits, barks and leaves were extracted with methanol and.
Molluscicidal assay the molluscicidal activity of oilseed camellia meal extracts was tested against golden apple snails, p. Pdf molluscicidal activity of some solanum species extracts. These three plant extracts are recommended to be used as molluscicidal agents. Molluscicidal activity of hammada scoparia pomel iljin. 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. The molluscicidal activity of aqueous extract of launaea nudicaulis and limoniastrum feei against the snail lymnaea stagnalis was studied. Five libyan medicinal plants thapsia garganica, hammada scoparia, euphorbia serrata, hyoscyamus albus and retama rateam were selected to evaluate their biological activities. Molluscicidal activity of punica granatum bark and canna indica root. This stock solution was then used to make a serial dilutions to obtain the 200, 100, 50 and 25 ppm. Molluscicidal activity of aqueous leave extract of. Different plants have been reported as molluscicides 47.
Preparation of crude extracts extraction was carried out according to the method described in harbone 1984. 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. More than plant species have been screened for molluscicidal activity 5. Antioxidant and antimicrobial properties of five medicinal. Also, there is a continuous need to search for new plant species with ideal molluscicidal properities 23.
The plants examined in this study were selected on the basis of ethnopharmacological information indicating their medical uses in schistosomiasis. Molluscicidal activity of the aqueous extracts from solanum mammosum l. Evaluation of antimitotic activity of solanum torvum using. Molluscicidal evaluation of the plant extracts was performed according to who guidelines. Molluscicidal activity of some solanum species extracts against the. In addition, a simple colorimetric method, based on kedde reagent, was modified to determine cardenolide concentrations in plant extracts. The evaluation of the molluscicidal activity of the extracts was determined in. Larvicidal activity of selected plant extracts against the. Molluscicidal activity of entada rheedii methanolic. Molluscicidal activity was not observed sccoparia extracts a and c and was concentrated in extract b total alkaloids. Molluscicidal activity of camellia oleifera seed meal. The golden apple snails with size range of 20 40 mm were. Evaluation of molluscicidal activity of anadenanthera. Presl leaf extracts, possesses molluscicidal activity against oncomelania hupensis and inhibits infection of schistosoma japonicum pdf paperity.
Extracts decreased the glycogen content of the snailssoft tissues greatly, and also the protein content. Tech rep ser the toxicity of these preparations was also tested on g. 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. Larvicidal activity of medicinal plant extracts against. Biomolluscicides development is of great interest in pest management to avoid the effects on the environment caused by synthetic molluscicides. Est can be viewed as a pathological index of toxicity. Thin layer chromatography analysis tlc showed several cardiac glycosidal compounds in each plant extract. Screening for molluscicidal activity in medicinal plant. Molluscicidal and antiparasitic activity of solanum. J egypt soc parasitol alkaloids of haloxylon articulatum. A cepa were sprouted in tap water for 48 hr at room temperature. Molluscicidal activity of thevetia peruviana, a common. 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.
Molluscicidal activity was not observed for extracts a and c and was concentrated in extract b total alkaloids. Molluscicidal activity of aqueous extract of leaves, stem back and. The fruits, barks and leaves were extracted with methanol and the methanol extracts were kept for testing as molluscicides. 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. Laboratory assessment of molluscicidal and cercariacidal. Conclusion all extracts show strong molluscicidal activity. Molluscicidal activity of methomyl and cardenolide.
Molluscicidal activity examination for the extracts were performed after 24 h and 48 h of exposure. 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. 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. Molluscicidal definition of molluscicidal by the free. Their total phenolic and flavanoid contents were assessed. 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.
All plant extracts showed moderate effects after 24 h of exposure. 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. The results show that ethyl acetate and acetone extracts from the whole plant, the. The molluscicidal activity of bauhinia variegata leaf and mimusops elengi bark was studied against vector snail lymnaea acuminata. Original article comparative molluscicidal activity of. We aimed to test the molluscicidal activity of 4% tds against the. Don ex loudon fruits, bark and leaves were tested for molluscicidal activity. Download pdf infectious diseases of poverty biomed central. Molluscicidal activity of acacia seyal dell bark methanolic extract. The results indicated that the molluscicidal activity was correlated with the. Biological control stands to be a better alternative to the chemical controls aimed against snails.
910 1013 1166 1344 1377 888 1223 1332 757 1046 792 1213 966 1328 312 878 1203 1042 1020 437 599 77 750 915 968 1155 12 154 1390 563 1128 1483 933 258 1150 432 65 501 1226 544 189 910 341 191 421