allelopathic effects
Allelopathic effects of Sonchus oleraceus L. on the germination and seedling growth of crop and weed species
... In agroecosystems, weeds are problematic plants that compete with crops for resources such as mineral nutrients and water. In addition, weeds play a crucial role because they introduce toxins into the soil, thereby ...
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Allelopathic Effects of Shoot and Root Extracts From Three Alien and Native Chenopodiaceae Species on Lettuce Seed Germination
... Inhibitory effects of Artemesia herba-alba on the germination of the gypsophyte Helianthemum ...thic effects of foliage extracts from four chenopodiaceae species on seed ...2006. Allelopathic ...
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Allelopathic effects of the invasive Prosopis juliflora (Sw.) DC. on selected native plant species in Middle Awash, Southern Afar Rift of Ethiopia
... The allelopathic effects of the invasive Prosopis juliflora (Sw.) DC. was studied on seed germination and seedling growth of Acacia nilotica (L.) Willd. ex Del., Acacia tortilis (Forssk.) Hayne, Cenchrus ...
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Allelopathic effects of aqueous extract of Brassica napus on germination of seeds of Phaseolus vulgaris
... with allelopathic potential are cultivated because they can directly affect proteins needed in the germination of the seeds, depending on the specificity of the molecules (Hadacek, ...Nevertheless, ...
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Allelopathic effects of aqueous extracts of Artistolochia esperanzae O.Kuntze on development of Sesamum indicum L. seedlings
... Most studies on allelopathy are focused on invasive species and plants of agricultural interest, or on identifying and isolating chemical substances with potential use as herbicides. Little is known of ...
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Efeito alelopático comparativo de extratos aquosos de Cryptocarya moschata com Ocotea
... (1995), allelopathic effects result from the joint action of several substances because allelochemical compounds are usually found at a very low concentration in the natural ...the effects of ...
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Allelopathic interference of Sapindus saponaria root and mature leaf aqueous extracts on diaspore germination and seedling growth of Lactuca sativa and Allium cepa
... The greatest inhibitory effect observed for root allelochemicals of Sapindus saponaria was on root and shoot elongation and not on germination of the lettuce and onion diaspores. Some studies confirm the low ...
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Rev. bras. farmacogn. vol.17 número1
... to allelopathic effects of plant secondary metabolites, it is now generally recognized that some terpenoids, mainly monoterpenes and sesquiterpenes present in the volatile fractions (Fischer, 1991, von ...
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A LLELOPATHICE FFECTS OF Rhynchosia capitata ONG ERMINATION
... These results suggest that the phytotoxicity of R. capitata leaf, stem, fruit, whole plant and root extracts may be due to restriction of water uptake and, hence, inhibition of seed germination. Maximum total phenolics ...
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The effects of an exotic palm on a native palm during the first demographic stages: contributions to ecological management
... To test for indirect allelopathic effects, we attempted to simulate natural forest conditions. Therefore, rather than preparing extracts of crushed material, we used aqueous leachate solutions of ...
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Evaluation of allelopathic potential of leaf extract of kielmeyera coriacea on lactuca sativa l
... The root growth was reduced by the three concentrations of the extract (Table 2). According to Rice (1984) and Aqüila et al. (1999), the uptake of ions and water by the roots is of great importance for the plant growth ...
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Allelopathic potential of Asarum europaeum toward Lycopersicon esculentum
... Allelopathy [14] is the chemical interaction between plants, including stimulatory as well as inhibitory influences. Allelopathy plays an important role in both natural and agro-ecosystems and has potential in integrated ...
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Allelopathic suppression by Conyza canadensis depends on the interaction between latitude and the degree of the plant’s invasion
... the allelopathic effects of the invasive plant species ...2006). Allelopathic effects are hypothesized to explain the successful invasion of ...the allelopathic effects of ...the ...
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PHYTOTOXIC POTENTIAL OF THE GEOPROPOLIS EXTRACTS OF THE JANDAIRA STINGLESS BEE (Melipona subnitida) IN WEEDS
... Zoghbi et al. (2009) reported that the inhibitory allelopathic effect of long pepper oil was strongest on seed germination regardless of target species. The magnitude of this effect always surpassed 46% and ...
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Erythroxylum in the chapada do Araripe and the lack of knowledge concerning their allelopathic potential, the aim of this study was to determine the allelopathic potential of five species of Erythroxylum
... Fresh adult leaves were utilized to evaluate the allelopathic effects of Erythroxylum rosuliferum O.E. Schulz (bandeirinha), Erythroxylum stipulosum Plowman (carrasco), Erythroxylum cuneifolium (Mart) O.E. ...
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Allelopathic potential of Gleichenella pectinata (Willd.) Ching on weed plant species
... The second part of the experiment consisted of the analysis of allelopathic effects on early development of weed seedlings. Plastic transparent boxes (8 x 13 x 5 cm) were used, which were sterilized with ...
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MATERIAL AND METHODS Plant material
... its allelopathic effects. This study evaluated the allelopathic potential of dried sage leaves in vegetation, soil and the development of Lycopersicon esculentum ...
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Palhadas de Gramíneas Visando à Supressão da Emergência e do Crescimento Inicial de Plantas Daninhas
... these effects have not been determined with roots and stems extracts, showing that allelopathic effects are more expressive when sorghum leaves are present (Correia et ...sorghum allelopathic ...
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Allelopathic potential of bark and leaves of Esenbeckia leiocarpa Engl. (Rutaceae)
... that allelopathic effects can also contribute to promote shifts in density, dominance and spatial patterns of plant populations (Rice 1984; Wardle et ...Thus, allelopathic plants may have a ...
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A TTRIBUTES OF Trianthema portulacastrum
... of allelopathic properties of native plant/crop species offers promising opportunities for this ...purpose. Allelopathic effects are manifested in the form of retarded germination and impaired ...
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