Chromolaena odorata increases resource investment into. Allelopathic potential of chromolaena odorata and mikania. Tijani department of botany, faculty of science, obafemi awolowo university, ileife, nigeria abstract. Chromolaena odorata is a medicinal plant whose root has not been reported for detailed antidiabetic properties. Also known as siam weed, it forms dense stands that prevent the establishment of other plant species. This study aimed to demonstrate and compare the allelopathic effect of lantana camara and chromolaena odorata leaf extracts on plant germination, with vigna radiata as the test plant. In pakistan, especially in rainfed areas of the northern punjab, it occurs widely along the roadsides, on wastelands and sometimes invades field crops javaid and anjum, 2005. Pdf allelopathic effects of two important exotic weeds, ageratum. Plant allelopathy is one of the modes of interaction between. It is known to have originated from south and central america but now. The allelopathic effect of the aqueous leaf extract of parthenium hysterophorus and chromolaena odorata on the seed germination, radicle and plumule growth of the seedlings of zea mays l. An experiment was conducted to understand the growth inhibitory effects of aqueous extracts derived from lantana camara l. On the other hand, allelopathic plants may also be considered mother natures own weed killer.
List of various diseases cured by chromolaena odorata. Gautier 54 the use of chromolaena odorata as fallow in a semlpermanentcropping system ln southwest cote divoire. Extracts from 500g of finely chopped shoots and roots each of aspilia africana pers c. Allelopathic effect of medicinal plant cannabis sativa l. Botany ijbr allelopathic effect of tithonia diversifolia. Allelopathic effects may be due to the presence of allelochemicals in chromolaena odorata, like. The leaf extract had strong inhibitory effect on seed germination as well as linear growth of paddy and barnyard grass. Sep 25, 2015 laboratory and greenhouse experiments were conducted to study the allelopathic potential of the aqueous leaf extract and leaf debris incorporated into the soil of chromolaena odorata and mikania micrantha on the germination indices and growth as well as the allelopathic effect response index of brassica chinensis. Fulltext effect of chromolaena odorata on the growth and biomass allelopathy is defined as the direct or indirect harmful or beneficial effect of one plant on. Allelopathic effect of siam weed chromolaena odorata on seed germination and seedling performance of selected crop and weed species o. Jun 27, 20 two experiments, a petri dish assay and a pot experiment were carried out to evaluate possible allelopathic effects of water extracts 0, 10 and 20 g l. Allelopathic action of any plants and parts affects germination behavior, seed metabolism and growth performance of target species which in turn may disturb a species from thriving, thus affecting the complete structure in a long time 23. The test was conducted in sterilized petridishes with a photoperiod of 24 hours and an average temperature of 29c. King and robinson at different concentrations control, 1%, 5%, and 10% on the seed germination and seedling growth root and shoot length of 10.
Uses, benefits, cures, side effects, nutrients in chromolaena odorata. King and robinson aqueous leaf extract and residues incorporated in the soil on the growth and water status of lycopersicon esculentum mill were studied. To test the potential of pennisetum hydridum to control c. Pdf allelopathic effect of chromolaena odorata aqueous leaf. And even when the effect is harmful to plants, it can be a benefit otherwise. It is native to the americas, from florida and texas in the united states south through mexico and the caribbean to south america. Effect of chromolaena odorata on the growth and biomass.
In this communication the assessment of allelopathic efficacy of an invasive and exotic weed chromolaena odorata was done by physiobiochemical approach using viable seeds of grass pea lathyrus sativus as a bioassay material. Asteraceae fallow in a field study conducted over 2 years, and suggested that the use of bush fallow with c. The study shows that pretreatment of mung bean seeds with various concentrations 1. Chromolaena odorata is a tropical and subtropical species of flowering shrub in the sunflower family. Citeseerx allelopathic effect of the aqueous extract of. Allelopathic effect of lantana camara and chromolaena odorata on germination and seedling growth of centroma pubescens. Three concentrations each of the aqueous leaf extract 12. Allelopathic effect of chromolaena odorata aqueous leaf extracts on. Allelopathic effect, siam weed, crop inhibition, average per cent inhibition. Allelopathic effect of different concentration of water. The exotic chromolaena odorata is one of the most destructive invasive plant species in south china, and hence an efficient and sustainable control method is urgent. Distribution, ecology and management of chromolaena odorata. The study of allelopathy increased in the 1970s and has undergone. Allelopathic definition of allelopathic by the free dictionary.
Allelopathic effects of chromolaena odorata on native and. This study was designed to investigate the allelopathic effects of c. Allelopathic screening of several weed species as potential. Chromolaena odorata is a plant species native to north, central, and south america, but is a noxious. Phytochemical analysis showed presence of several allelochemicals in both leaf extracts. Pdf chromolaena odorata is an invasive weed species adversely affecting both crop and grazing. Babiker1 1environment and natural resources research institute, khartoum, sudan, 2commission for.
Allelopathic effect of parthenium hysterophorus linn. The present investigation was aimed to evaluate the allelopathic effect of aqueous extract and leaf litter leachate extracts from chromolaena odorata on the growth of mangrove associate plant. The weed has been used as an organic fertilizer for vegetable crops. Therefore, the aim of this study was to investigate the effects of chromolaena odorata on the growth of celosia argentea. Corn gluten meal, for example, is used as a natural herbicide, to prevent weed seeds from sprouting. Postintroduction evolution contributes to the successful. Chromolaena and lantana plants were analyzed to evaluate the existence of allelopathic effect using fully viable seeds of mung bean as the bioassay material. Allelopathic effect of extract of mikania micrantha on seed. Allelopathic effects of chromolaena odorata on native and nonnative invasive herbs article pdf available in journal of food agriculture and environment 111 january 20 with 1,334 reads. Allelopathic effects of some botanical extracts on germination and seedling growth of sorghum bicolor l.
The present study was undertaken to assess the allelopathic effect of echinochloa colona l. Allelopathy can have an adverse effect in the garden, resulting in reduced seed germination and plant growth. The allelopathic potentials of six dominant weeds at the teaching and research farm of the akwa ibom state university and adjoining areas, often used for mulching and green manuring, were evaluated on the germination of the seeds of six commonly grown crops of the region. Pdf allelopathic effect of chromolaena odorata aqueous. Allelopathic effects of lantana leaf leachates were examined as described by alsaadawi and rice 1. Allelopathic effects of chromolaena odorata on native and non. Compositae, also known as christmas bush, bitter bush, siam weed, and baby tea english. Allelopathic effect of leaf extracts different concentration of acacia auriculiformis and its possible phytotoxicity was tested in a laboratory experiment by using some agricultural crops e. Allelopathic effects of lantana camara on germination and.
Allelopathic effect, siam weed, crop inhibition, average per cent inhibition abstract siam weed chromolaena odorata l. Allelopathic effects of some botanical extracts on. Dpartment of biology, rivers state college of education, p. Pdf allelopathic effects of chromolaena odorata on native and. As whittaker 1970 succinctly put it, mans use of alkaloids for flavour, mild stimulation, medicinal effect, or pleasurable selfdestruction should not obscure a common theme. Allelopathy, aqueous leaf extract, leaf debris, chromolaena odorata, mikania micrantha. Laboratory and soil cultured experiments were conducted to evaluate. The regional institute allelopathic effect of siam weed. Allelopathic action of any plants and parts affects. It has been introduced to tropical asia, west africa, and parts of australia.
The romantic imagination by cm bowra pdf file telegraph. One method, replacement control, which eliminates harmful plants by introducing another competitive plant, is being used increasingly for controlling invasive plants. Hu g and zhang z 20 allelopathic effect of chromolaena odorata on native and nonnative. Dethe uttam laxman, nivas manohar desai and gaikwad dattatraya krishna, 2019. Allelopathic effect of lantana camara and chromolaena odorata leaf. Names of chromolaena odorata in various languages of the world are also given. Chromolaena odorata and helianthus annus are members of the asteraceae family, and are aggressive weeds that have the ability to compete with agricultural crops illori et al. The leachate that dripped from the leaves was collected and used to water pots containing a mixture of sterilized sand and promix 2. Allelopathic effect of some weeds on the germination of seeds. These biochemicals are known as allelochemicals and can have beneficial positive allelopathy or detrimental negative allelopathy effects on the target organisms and the.
Pdf allelopathic effects of chromolaena odorata on native. Allelopathy is a biological phenomenon by which an organism produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other organisms. Asteracea, also known as the siam weed in malaysia, is a perennial shrub that can. Comparative allelopathic effect of imperata cylindrica and. Eupatorieae, commonly called chromolaena, is a sprawling shrub that has become one of the worst invasive terrestrial weeds in the humid tropics and subtropics of the old world figure 1. Chromolaena odorata an overview sciencedirect topics. Allelopathic effect of aqueous extracts of lantana. Preliminary study on allelopathic effect from chromolaena. Laboratory and greenhouse experiments were conducted to study the allelopathic potential of the aqueous leaf extract and leaf debris incorporated into the soil of chromolaena odorata and mikania micrantha on the germination indices and growth as well as the allelopathic effect response index of brassica chinensis.
Pdf allelopathic effects of chromolaena odorata on. These biochemicals are known as allelochemicals and can have beneficial positive allelopathy or detrimental negative allelopathy effects on the target organisms. An experiment was conducted to determine the inhibitory effect of aqueous. Research progress on the use of plant allelopathy in. King and robinson at different concentrations control, 1%, 5%, and 10% on the seed germination and seedling growth root and shoot length of 10 herbaceous. Allelopathic effects of mexican sunflower tithonia. Antidiabetic activities of chromolaena odorata methanol. A fine mist of deionized water was sprayed over lantana plants growing in the field. Herbicidal effects of aqueous root and shoot extracts of three allelopathic crops, viz.
Allelopathy is a common biological phenomenon by which one organism produces biochemicals that influence the growth, survival, development, and reproduction of other organisms. Chromolaena odorata is a fastgrowing perennial shrub, native to south america and central america. Allelopathy is a subdiscipline of chemical ecology that is concerned with the effects of chemicals produced by plants or microorganisms on the growth, development and distribution of other plants and microorganisms in natural communities or agricultural systems einhellig, 1995. The study, carried out in petri dishes using 5, 10, 15, 20 and 25% wv aqueous root and shoot extracts of. Allelopathic effect of lantana camara and chromolaena odorata. Hence, this study investigated the antidiabetic properties of the methanol root extract of chromolaena odorata and its effect on biochemical parameters in alloxan induced diabetic rats. The rate of germination by leaf extract of xanthium strumarium was more than that of the mikania micrantha and chromolaena odorata.
Allelopathic effect of some weeds on the germination of. Lantana camara and chromolaena odorata leaf extracts. Reference 5 mentioned that phenols and alkaloids in the plant, particularly in the leaves, have an allelopathic effect which inhibits the germination of its own. Chromolaena odorata a weed in the family asteraceae has been shown to enhance the buildup of organic matter in fallow system in tropical soil. Allelopathic effect of the aqueous extract of and chromolaena. These biochemicals are known as allelochemicals and have beneficial or detrimental effects on target organisms. C1 and ram asheshwar mandal2 accepted 22 october, 2017 1kathmandu forestry college, balkumari, kathmandu,nepal. Leaf extracts of both species significantly inhibited growth parameters of e. Owolade 3 1 federal college of agriculture, institute of agricultural research and training, p.
Effect of aqueous extracts of allelopathic crops on. There is a general motion nowadays that invasive plants displace the local and natural endemic biodiversity through their detrimental effects, including allelopathy 21, 22. Allelopathy is a biological process where plants affect, often inhibitory, the growth and germination of other species within their space. Effects of dichloromethane dcm and double distilled water soluble ddw fractions of e. Vishal narayan shinde abstract aqueous extract of parthenium hysterophorus l. Allelopathic effect of medicinal plant cannabis sativa seed. Allelopathic effect of aqueous extracts of lantana camaraand chromolaenaodorata on germination and seedling growth of leucaenaleucocephala muhammad rusdy the effect of aqueous extracts of leaf and stem of lantana camara and chromolaena odorata at concentrations of 0, 25, 50, 75 and 100 % on germination and seedling growth of leucaena. Allelopathy may play an important role in the invasion success of alien plant species. Allelopathic effect of siam weed chromolaena odorata on. Allelopathic effect of lantana camara and chromolaena odorata on. How chromolaena odorata is effective for various diseases is listed in repertory format. In this study, we examined the effects of aqueous extracts from the leaves and roots of the invasive plant species chromolaena odorata l.
Chromolaena odorata forms dense stands preventing establishment of other species, both due to competition and allelopathic effects. Phenols and alkaloids are the major allelochemicals found in plants that exert the inhibitory effect on seed germination and early seedling growth 14. Siam weed is a fastgrowing perennial, is now regarded as one of the most harmful weeds present on earth due to its highly invasive and allelopathic nature. The term allelopathy is usually used when the effect is harmful, but it can apply to beneficial effects too. Comparative allelopathic effect of imperata cylindrica and chromolaena odorata on germination and seedling growth of centrosema pubescens muhammad rusdy, muhammad riadi, ayu mita sari, asriani normal, hasanuddin university, makassar, indonesia. Therefore, the use of the allelopathic properties of chromolaena odorata and mikania micrantha undoubtedly has potential for further development to complement the currently used chemical pesticides. Allelopathic effect of lantana camara and chromolaena. Many turf grasses and cover crops have allelopathic. Allelopathic effect of extract of mikania micrantha on seed germination and seedling growth of melia azedarach liza k. Chromolaena odorata on germination and seedling growth of centroma pubescens.
Significant growth reductions in lycopersicon esculentum were observed from additions of c. Until the early 1970s, chromolaena was known as eupatorium odoratum l. Allelopathic effects of two important exotic weeds, ageratum houstonianum mill. Siam weed plants comprising of leaves and stems were cut, pounded with pestle and mortal. Laboratory of forage and grassland management, faculty of animal science, hasanuddin university, indonesia. Citeseerx allelopathic effects of chromolaena odorata on.
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