Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Allelopathic agents from Cyrtocymura cincta.

D Alvarez Valdés1, A Elías, A Bardón

  • 1Instituto de Química Orgánica, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Ayacucho, Argentina.

Natural Product Letters
|February 13, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Translation into French and republication of: "Central venous catheter associated upper extremity deep vein thrombosis in cancer patients: Diagnosis and therapeutic management"].

La Revue de medecine interne·2024
Same author

[Translation into French and republication of: "Recurrent venous thromboembolism in anticoagulated cancer patients: diagnosis and treatment"].

La Revue de medecine interne·2024
Same author

Pandemic Racism: Lessons on the Nature, Structures, and Trajectories of Racism During COVID-19.

Journal of bioethical inquiry·2023
Same author

Serological cross-sectional survey of equine infectious anemia in Saudi Arabia.

Polish journal of veterinary sciences·2022
Same author

Is it justified to search for cancer in patients with peripheral arterial disease?

Journal de medecine vasculaire·2022
Same author

The composition of the lipid, protein and mineral fractions of quail breast meat obtained from wild and farmed specimens of Common quail (Coturnix coturnix) and farmed Japanese quail (Coturnix japonica domestica).

Poultry science·2021
Same journal

Antimycobacterial activity of lipodepsipeptides produced by Pseudomonas syringae pv syringae B359.

Natural product letters·2002
Same journal

Alysinol--a new triterpene from Alysicarpus monolifer.

Natural product letters·2002
Same journal

Steroid and antibacterial steroidal glycosides from marine green alga Codium iyengarii Borgesen.

Natural product letters·2002
Same journal

Triterpenes and saponins from Ilex psammophila.

Natural product letters·2002
Same journal

Determination of colchicine content in Colchicum hierosolymitanum and Colchicum tunicatum under cultivation.

Natural product letters·2002
Same journal

Quinovic acid glycosides from Mitragyna stipulosa--first examples of natural inhibitors of snake venom phosphodiesterase I.

Natural product letters·2002
See all related articles

Sesquiterpenoid compounds from Cyrtocymura cincta affect plant growth. These weed extracts can either promote or inhibit seed germination and growth in various plant species depending on the compound and concentration.

Area of Science:

  • Phytochemistry
  • Plant Physiology
  • Ecology

Background:

  • Weeds pose significant challenges in agriculture, impacting crop yields.
  • Understanding allelopathic interactions is crucial for developing sustainable weed management strategies.
  • Cyrtocymura cincta (Compositae) is a common weed whose chemical constituents have not been fully explored for their biological activities.

Purpose of the Study:

  • To investigate the effects of sesquiterpenoid fractions from Cyrtocymura cincta on seed germination and growth.
  • To determine the differential impact of these compounds on various dicot and monocot species.
  • To identify potential allelopathic properties of this weed.

Main Methods:

  • Chloroform extracts from roots and aerial parts of Cyrtocymura cincta were prepared.

Related Experiment Videos

  • Sesquiterpenoid fractions were isolated and purified.
  • The effects of these fractions on seed germination and seedling growth of three dicot and four monocot species were evaluated at different concentrations.

    • Main Results:

    • Sesquiterpenoid fractions exhibited both growth-promoting and growth-inhibiting effects on the tested plant species.
    • The observed effects varied depending on the specific sesquiterpenoid compound, the plant species (dicot vs. monocot), and the applied concentration.
    • Differential responses suggest complex allelopathic interactions mediated by these compounds.

    Conclusions:

    • Sesquiterpenoids from Cyrtocymura cincta possess biological activity that influences plant development.
    • These findings highlight the potential of Cyrtocymura cincta as a source of allelochemicals.
    • Further research could explore the isolation of specific compounds for potential use in agriculture or as tools for studying plant-plant interactions.