Allelopathic Potential of Oxalis pes-caprae Tissues and Root Exudates as a Tool for Integrated Weed Management

Travlos, Ilias; Paspatis, E. A.; Psomadeli, E.

doi:10.3923/ja.2008.202.205

Cited by 15 publications

(10 citation statements)

References 14 publications

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“…The Similar results were also found on lettuce growth [26]. Further, root exudates of Burmuda buttermut showed 34-42 % inhibition of the tested crops which agree with our findings [27]. The inhibitory effect was also observed by a researcher by aqueous extracts of four native Mexcan desert plants in Zea mays, Phaseolus vulgaris, Cucurbita pepo and Lycopersicon esculentum [28].…”

Section: Effect Of Root Exudate On Radicle and Hypocotyl Growth Of Musupporting

confidence: 89%

Allelopathic Effects, Yields and Qualitative Phytochemical Screening of Root Exudates of Five Weed Species

Akter¹,

Sultana²

2019

Malays. j. sustain. agric.

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This research investigated the allelopathic effects, the yields and qualitative phytochemical screening of the water extract of root exudates of five weed species i.e. Cyperus rotundus L. (T1), Marselia quadrifolia L. (T2), Ludwigia hyssopifolia (G. Don) Exell, (T3) Pistia stratiotes L. (T4) and Colocasia esculenta L. (T5). The allelopathic tests of root exudates on five weed species showed that all the extracts had the pronounced inhibitory effect on cowpea and mungbean (tested crops). The yields of root exudates of the selected weed species varied. Root exudate of T3 showed the highest yield whereby T1 contained the lowest one. A preliminary phytochemical test showed the positive result of alkaloids, flavonoids, phenols and carbohydrates whereas proteins, amino acids, tannins, saponins, have been found to be absent in the root exudates of tested weeds. The results evidenced that these mentioned weeds contain compounds in their root exudates which may cause allelopathic effects on both tested crops.

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Section: Effect Of Root Exudate On Radicle and Hypocotyl Growth Of Musupporting

confidence: 89%

Allelopathic Effects, Yields and Qualitative Phytochemical Screening of Root Exudates of Five Weed Species

Akter¹,

Sultana²

2019

Malays. j. sustain. agric.

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“…Kaur et al (2005) reported that benzoic acid, a potential allelochemical suppressed mustard growth by producing of abnormal and disorganized tissues interfering mitotic cell division with increasing concentrations. In a study, conducted by Travols et al (2008) demonstrated that the extract of root exudates from Bermuda buttercup inhibit biomass production of tomato, oat and lettuce plants showing its allelopathic potential to respective crops. In one experiment it was found that catechol, gallic acid or pyrogallic acid significantly decreased the germination percentage, growth of radicle and hypocotyls and the fresh and dry weight of cucumber seedlings.…”

Section: Growth Performance Of Seedlingsmentioning

confidence: 99%

Allelopathic effects of root exudates of some weeds on germinability and growth of radish (Raphanus sativus L.) and cucumber (Cucumis sativus L.)

Akter

Islam

2019

IJARe

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The Allelopathy phenomenon is an important component in a natural and an agro-ecosystems causing a stimulatory or inhibitory effect in crop production through the release of allelochemicals to the environment. In this study, the allelopathic effect on seed seed germination, seedling growth, fresh weight, dry weight, vigor index, total chlorophyll and carotenoid contents of radish (Raphanus sativus L.) and cucumber (Cucumis sativus L.) to the root exudates of Ageratum conyzoides L. (T1), Leucas aspera (Willd.) Link. (T2), Scoparia dulcis L. (T3), Spilanthes acmella L. (T4) and Vernonia patula (Dryand.) Merr. (T5) were studied in the laboratory. Results showed that the concentrated aqueous root exudates of T5 exerted highly reduced the effect of all the parameters as compared to control (distilled water) followed by T4. However, T2, T3, and T1 showed the least inhibitory effect on both the test crops. In comparison to cucumber, radish was more sensitive to inhibitory effects of aqueous root exudates of these five weeds. The result suggested that the root exudates may affect radish and cucumber seeds due to the inhibitory effect of allelochemicals which were present in the tested weeds.

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“…Allelochemicals are secondary plant metabolites, including terpenoids, phenolic compounds, long chain fatty acids, organic cyanides, alkaloids, and others, which are synthesized by the plants during their growth and developmental period, and can affect physiological functions like respiration, photosynthesis and ion uptake (Macías et al, 2006). During the last decades, the use of plant species with strong allelopathic properties has shown promising prospect for natural herbicides development (Travlos et al, 2008;Bilalis et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Allelopathic Effects of Nigella sativa L. against Rigid Ryegrass

Roussis¹,

Travlos²,

Kakabouki³

et al. 2019

BUASVMCN-HORT

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A pot experiment was conducted to evaluate the allelopathic potential of Nigella sativa L. on seedling emergence and first growth of the serious weed rigid ryegrass (Lolium rigidum L.). The results revealed significant weed suppressive effects of N. sativa residues incorporated into the soil. The lowest seedling emergence rate (38%) was observed in pots treated with 20 g leaf residues. Regarding height, the lowest value (26.7 cm) was found in 20 g root residues. The highest quantity of shoot residues reduced leaf number, tiller number, fresh and dry aerial biomass up to 58, 51, 64 and 59%, respectively. It can be concluded that the effect of incorporation of plant residues depended on the type and amount of residue. N. sativa could be utilized as an allelopathic crop to control weeds and future studies should focus on isolating and identifying allelochemicals in roots, shoots and leaves of this species.

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Allelopathic Potential of Oxalis pes-caprae Tissues and Root Exudates as a Tool for Integrated Weed Management

Cited by 15 publications

References 14 publications

Allelopathic Effects, Yields and Qualitative Phytochemical Screening of Root Exudates of Five Weed Species

Allelopathic Effects, Yields and Qualitative Phytochemical Screening of Root Exudates of Five Weed Species

Allelopathic effects of root exudates of some weeds on germinability and growth of radish (Raphanus sativus L.) and cucumber (Cucumis sativus L.)

Evaluation of Allelopathic Effects of Nigella sativa L. against Rigid Ryegrass

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