Evaluation of allelopathic, decomposition and cytogenetic activities of Jasminum officinale L. f. var. grandiflorum (L.) Kob. on bioassay plants

Teerarak, Montinee; Laosinwattana, C.; Charoenying, Patchanee

doi:10.1016/j.biortech.2010.02.038

Cited by 61 publications

(26 citation statements)

References 29 publications

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“…To some extent this indicates the toxic effect level on Vicia faba at this concentration. A number of previous studies support this hypothesis (Siddiqui et al 2002, Laosinwattana et al 2009, Siddiqui 2007, Han et al 2008, Haroun and Al Shehri 2001, Hassan et al 2013, Teerarak et al 2010, Batish et al 2006.…”

Section: Germination and Plant Growthsupporting

confidence: 62%

“…Recently the use of synthetic chemicals around the world faces big problem as it mainly causes environmental pollution and is lethal to non-target organisms, e.g., plants and animals and in many cases humans. So it has become very urgent to find alternative natural compounds for environmental safety (Leme and Marin-Morales 2008, Xuan et al 2004, Teerarak et al 2010. For these reasons, considerable efforts have been put into considering reducing the use of synthetic pesticides.…”

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confidence: 99%

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Evaluation of the Allelopathic Effect of Aqueous Extract of Zygophyllum simplex L. on Vicia faba L. Plants

Haroun

Abualghaith

2015

CYTOLOGIA

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SummaryIn the present study, the allelopathic effects of Zygophyllum simplex aqueous extract on Vicia faba was tested. Three concentrations (10, 20 and 40%) for three times of treatment (6, 12, 18 h) were applied. The control plants were normal, while the treated ones were significantly affected. Low concentration (10%) at all treatment times had a stimulatory effect on seed germination percentage. On the other hand, high concentration of the extract gave rise to substantial reduction in all parameters studied as the concentration increase and time of treatment prolonged. In contrast, the percentage of mitotic and meiotic aberrations increased and were time and dose dependent. Various types of mitotic and meiotic aberrations were observed. Sticky and micronuclei types of aberrations were found more frequently, confirming the toxic effect of the extract at high concentrations. Meiotic parameters of chromosome association, chiasma frequency and pollen fertility were also found affected by the time and dose. The present study proves the mutagenic effects of this extract on Vicia faba, especially at high doses. It also recommends its use at low concentrations when used as folk medicine. However, with the use of medicinal plants for treatment (folk medicine) recently increasing instead of synthetic chemical drugs, their side effects and safe and effective dose should be carefully pretested and documented before public use.

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Section: Germination and Plant Growthsupporting

confidence: 62%

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confidence: 99%

Evaluation of the Allelopathic Effect of Aqueous Extract of Zygophyllum simplex L. on Vicia faba L. Plants

Haroun

Abualghaith

2015

CYTOLOGIA

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“…Th e growth of neighboring vegetation might be aff ected and a selective advantage thus aff orded the donor plant (Anaya 1999). Allelochemicals aff ect various metabolic processes in or-ganisms: altering membrane permeability and ion absorption ; inhibiting electron transport in photosynthesis and respiration (Abrahim et al 2000); changing enzyme activity (Singh et al 2009); and impeding cell division (Teerarak et al 2010). Because of these eff ects, allelopathy is recognized as an important ecophysiological process in ecosystems, infl uencing primary and secondary plant succession, as well as the structure, composition and dynamics of native or cultivated plant communities (Rizvi et al 1992;Scrivanti et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Interspecific variation in the allelopathic potential of the family Myrtaceae

2013

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Allelopathy is a type of biotic interference wherein a plant releases bioactive metabolites into an environment, thereby aff ecting the adjacent biota. Stressful environments stimulate the production of these metabolites. Th e present study tests the novel weapons hypothesis, which postulates that species belonging to the same genus and from the same environment have similar allelopathic eff ects. Th e aim of this study was to assess the allelopathic eff ects that the aqueous leaf extracts of 15 species belonging to fi ve genera of the Myrtaceae family have on the seed germination and initial seedling growth of lettuce (Lactuca sativa L.), tomato (Solanum lycopersicum L.) and onion (Allium cepa L.). Germination rates, average germination times, informational entropy of germination and allelopathic eff ects, as quantifi ed with a response index, were calculated. A taxonomic distance matrix based on Gower dissimilarity and a Euclidean distance matrix were constructed. Th e results revealed that all extracts from donor species signifi cantly increased average germination time or reduced the germination rate of eudicotyledonous plant species. Th e only extracts that showed no eff ect on monocotyledonous seeds were those of Campomanesia pubescens O. Berg and Psidium cinereum Mart. We conclude that eudicotyledonous and monocotyledonous plants were both signifi cantly aff ected by the presence of all extracts tested. Our results make it clear that each species behaves distinctly in relation to allelopathic activity, with no apparent grouping by genus or subtribe. Th erefore, the hypothesis was rejected, because plants from the same environment and with taxonomic proximity do not necessarily display similar production of secondary metabolites.

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“…It has frequently been assumed that such changes in viscosity are due to depolymerisation of deoxyribonucleic acid. Moreover, Ramesh et al (2012) stated that some plant extracts can cause DNA depolymerization and Teerarak et al (2010) the improper functioning of spindle apparatus causes the diagonal orientation of chromosomes. This phenomenon has also been observed on treatment with extracts of other plants as well (Leeja and Thoppil 2004;Asha and Thoppil 2011).…”

Section: Discussionmentioning

confidence: 99%

Genotoxicity assessment of two common curing weeds: Hyptis suaveolens (L.) Poir. and Leucas indica (L.) R. Br.

Sumitha

Thoppil

2015

Cytotechnology

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Hyptis suaveolens and Leucas indica, two common weeds were selected for the present study, to reveal their probable cytotoxic potential. The meristematic root tips of Allium cepa were used for testing the cytotoxic property of the aqueous leaf extracts containing both polar and non-polar compounds, and that containing polar compounds alone, at different concentrations (0.125, 0.25, 0.5, 1 and 2 %) and at different time durations, using distilled water as negative control. Mitotic squash preparations were made using a standard protocol. The mitotic index of the treated root tip cells was found to be decreasing and the abnormality percentage was found to be increasing with increase in extract concentration when compared with the control. Maximum cytotoxicity was observed in the extract containing both polar and non-polar compounds. Both the tested plants were found to be cytotoxic. The abnormalities noticed were of both clastogenic (nuclear lesions, nuclear fragmentation, etc.) and non-clastogenic (aberrant cell wall formation at cytokinesis, ball metaphase, etc.) types. Both plant extracts were found to significantly (P \ 0.05) inhibit root growth of Allium cepa with an EC 50 value of 1.92 % (R 2 = 0.594) for Hyptis and 1.58 % (R 2 = 0.757) for Leucas. The results were also analysed statistically by using analysis of variance followed by appropriate post hoc tests. These two weeds are aromatic plants comprising of essential oils that are volatile, natural complex compounds characterized by a strong odour and formed as secondary metabolites. In nature, essential oils play an important role in the protection of the plants as insecticides by reducing their appetite for such plants. When specifically targeted the concept of effectively exploiting these weeds for the formulation of herbal insecticides/ pesticides may be possible in the near future.

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Evaluation of allelopathic, decomposition and cytogenetic activities of Jasminum officinale L. f. var. grandiflorum (L.) Kob. on bioassay plants

Cited by 61 publications

References 29 publications

Evaluation of the Allelopathic Effect of Aqueous Extract of <i>Zygophyllum simplex</i> L. on <i>Vicia faba</i> L. Plants

Evaluation of the Allelopathic Effect of Aqueous Extract of <i>Zygophyllum simplex</i> L. on <i>Vicia faba</i> L. Plants

Interspecific variation in the allelopathic potential of the family Myrtaceae

Genotoxicity assessment of two common curing weeds: Hyptis suaveolens (L.) Poir. and Leucas indica (L.) R. Br.

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