Results 81 to 90 of about 5,609 (233)

PHOTOPERIODIC ADAPTATION TO LATITUDE IN XANTHIUM STRUMARIUM [PDF]

open access: yesAmerican Journal of Botany, 1966
Photoperiodic responses of collections of Xanthium strumarium L., grown from seed obtained in nature at various localities in North America between latitudes 20° and 45.5° N, were examined. The critical night length was found to vary noticeably with latitude of origin, from about 7.5 hr in the northernmost strains to above 10 hr in the southern strains.
Ray, Peter M., Alexander, William E.
openaire   +2 more sources

Phytotoxicity of Parthenium hysterophorus L. and Xanthium strumarium L. Extracts on Wheat Seed Germination and Cytotoxicity on Brine Shrimp Nauplii

open access: yesJournal of Plant Resources
Parthenium hysterophorus L. and Xanthium strumarium L. are invasive alien species found around the world. The purpose of this study is to determine the phytotoxicity of P. hysterophorus and X. stumarium leaf and root extracts on wheat seedlings and their
Chandra Bahadur Thapa   +2 more
semanticscholar   +1 more source

Effect of Simulated Tillage in Combination with Post-Shattering Temperature Conditions on Senna obtusifolia and Xanthium strumarium Seed Survival, Seedling Emergence and Seedbank Potential

open access: yesAgriculture, 2018
Two of the most troublesome weeds in soybean, cotton, and corn in cropping systems of mid-south United States (US) are Senna obtusifolia and Xanthium strumarium.
Taghi Bararpour, Nicholas E. Korres
doaj   +1 more source

Paired plot experiments to assess impact of invasive species on native floral diversity in Pakistan

open access: yesFrontiers in Environmental Science, 2023
The threat of invasion is growing globally and endangers biodiversity. Exotic invasive plants are putting a harm to the vegetation of Pakistan’s Pothwar region, which is a biodiversity hotspot. In the current study, the effects of Broussonetia papyrifera,
Huma Qureshi   +8 more
doaj   +1 more source

The Distribution and Quality of Elephant Food Plants in Mwea National Reserve‐Kenya

open access: yesAfrican Journal of Ecology, Volume 64, Issue 4, June 2026.
ABSTRACT Understanding how herbivores respond to spatial and temporal resource variability is a central aspect of resource use ecology. This 18‐month study examined how seasonal changes in food plants availability, distribution and nutritional quality influence the foraging behaviour of African savanna elephants (Loxodonta africana) in Mwea National ...
Josephat K. Wambua   +3 more
wiley   +1 more source

Phytochemical screening and anticancer activity of the aerial parts extract of Xanthium strumarium L. on HepG2 cancer cell line

open access: yesClinical Phytoscience, 2021
Background Cancer is one of the most considerable concerns because of increasing the death rate all over the world. Recent studies have disclosed that plant extracts exhibit anticancer activity through various mechanisms.
H. Ly   +5 more
semanticscholar   +1 more source

Isolation of an Antibacterial compound, Xanthumin from the leaves of Xanthium Strumarium Linn. [PDF]

open access: yes, 1975
Department of Chemistry, G. B. Pant University of Agriculture and Technology, Pantnagar Manuscript received 4 July 1975; accepted 14 August 1975 Isolation of an Antibacterial compound, Xanthumin from the leaves of \(Xanthium\) \(Strumarium ...
D. R. GUPTA, K. C. GUPTA
core   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2025

open access: yesEFSA Journal, Volume 24, Issue 6, June 2026.
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +9 more
wiley   +1 more source

Xanthium strumarium L. Extract Loaded Phyto-Niosome Gel: Development and In Vitro Assessment for the Treatment of Tinea corporis

open access: yesBiointerface Research in Applied Chemistry, 2022
Herbal drugs, believed to be safer and do not exhibit such side effects, are used in traditional medicine. The drug's gross therapeutic value is improved when herbal drug delivery methods are combined with modern scientific processes.

semanticscholar   +1 more source

CHEMICAL CONSTITUENTS FROM THE BIOACTIVE ETHYL ACETATE FRACTION OF XANTHIUM STRUMARIUM LINN.

open access: yesFUUAST Journal of Biology, 2018
The ethyl acetate fraction of Xanthium strumarium Linn. was found possessing antioxidant and antimicrobial potential. It showed significant in vitro antioxidant activity (EC50= 937 µg/mL) in contrast of ascorbic acid as standard.
ANEELA WAHAB   +2 more
doaj  

Home - About - Disclaimer - Privacy