ALLELOPATHIC EFFECT OF CHROMOLAENA ODORATA PDF

Adetayo 1 , O. Lawal 2 , B. Alabi 1 and O. Owolade 3. Siam weed plants comprising of leaves and stems were cut, pounded with pestle and mortal. Five kg of the product was soaked in 20 litres of distilled water for a period of four days 96 hours.

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Sahid, Ismail 1 ; Yusoff, Nornasuha 2. Abstract: The use of chemical pesticides leads to negative impacts such as pesticide residue problem and weed resistance. Thus, an economical and environmentally safe method such as allelopathy needs to be explored for controlling weeds in agricultural areas. Therefore, a study was conducted to determine the allelopathic effects of the aqueous leaf extract and leaf debris incorporated into the soil of Chromolaena odorata and Mikania micrantha on three bioassay weed species namely Eleusine indica, Cyperus iria and Ageratum conyzoides under laboratory and greenhouse conditions.

Three concentrations of each of the aqueous leaf extracts The experimental design used was the complete randomized design CRD with three replications. The experiment was conducted twice. Results showed that the leaf extracts of C. Leaf extracts of both species significantly inhibited growth parameters of E. At The leaf debris of C. The shoot length and dry weight of A. Whilst, at the same concentration, the fresh weight of C. Therefore, C.

Further studies need to be conducted to investigate the type of inhibition mechanisms involved. To cite this article: Sahid, Ismail and Yusoff, Nornasuha. Allelopathic effects of 'Chromolaena odorata' L. King and Robinson and 'Mikania micrantha' H. Australian Journal of Crop Science , Vol. Limit Search: Full text only. Video only. This Issue This Publication Anywhere. Clear search. Back to Table of Contents. More information.

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Allelopathic effects of Chromolaena odorata on native and non-native invasive herbs

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: The leaf extract had strong inhibitory effect on seed germination as well as linear growth of paddy and barnyard grass. Allelopathic effect increased with increased concentration of the extracts.

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Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Allelopathy may play an important role in the invasion success of alien plant species. In this study, we examined the effects of aqueous extracts from the leaves and roots of the invasive plant species Chromolaena odorata L. Save to Library. Create Alert.

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Background and Objective: Siam weed is a fast-growing perennial, is now regarded as one of the most harmful weeds present on earth due to its highly invasive and allelopathic nature. 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 Salvadora persica. At the end of experiment 10 days , the growth and biochemical characteristics of S. Results: The effects of extracts on germination percentage , seedling growth and dry biomass were investigated.

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Sahid, Ismail 1 ; Yusoff, Nornasuha 2. Abstract: The use of chemical pesticides leads to negative impacts such as pesticide residue problem and weed resistance. Thus, an economical and environmentally safe method such as allelopathy needs to be explored for controlling weeds in agricultural areas. Therefore, a study was conducted to determine the allelopathic effects of the aqueous leaf extract and leaf debris incorporated into the soil of Chromolaena odorata and Mikania micrantha on three bioassay weed species namely Eleusine indica, Cyperus iria and Ageratum conyzoides under laboratory and greenhouse conditions. Three concentrations of each of the aqueous leaf extracts The experimental design used was the complete randomized design CRD with three replications.

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