Results 41 to 50 of about 6,245 (209)

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

Photoperiod–Temperature Interactions in a Changing Climate: A Review of Plant Phenological Responses

open access: yesJournal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim Climate change is reshaping plant phenology and species distributions, especially in temperate and boreal ecosystems, where advances in spring events have already extended the growing season. While temperature has been the primary focus of many studies, the role of photoperiod—a stable, latitude‐dependent cue—remains underexplored.
Martina Tarascio   +5 more
wiley   +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

Chlorophyll Levels and Leaf Chlorplast Ultrastructure as Ecotypic Characters in Xanthium Strumarium L. [PDF]

open access: yes, 1973
The major objective of the work was to clarify some of the adaptive mechanisms that a common widespread species would show as a possible requirement for survival in its natural habitats.
Abdulrahman, Farag
core   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 30 June 2025

open access: yesEFSA Journal, Volume 24, Issue 1, January 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)   +8 more
wiley   +1 more source

Xanthium strumarium L.: chemical components and biological activity (review)

open access: yesРазработка и регистрация лекарственных средств, 2023
Introduction. The issue of the sufficiency of natural resources of medicinal plants is currently becoming more and more acute. This is the reason for investigating the possibility of using invasive plants as sources of biologically active substances ...
N. S. Popkov   +2 more
doaj   +1 more source

Germinació de llavors d'espècies psammòfiles i ruderals de platja [PDF]

open access: yes, 2010
S’ha estudiat la capacitat de germinació dels propàguls de quatre espècies (Cenchrus incertus, Tribulus terrestris, Pancratium maritimum i Xanthium strumarium), un cop se’ls ha sotmès a diferents situacions: cap tractament previ, un cop de calor amb ...
Martinez Garcia, Isabel   +1 more
core  

Allelopathic effects of invasive weed species Abutilon theophrasti Medik., Ambrosia artemisiifolia L., Datura stramonium L. and Xanthium strumarium L. on tomato [PDF]

open access: yesPesticidi i Fitomedicina, 2019
Abutilon theophrasti Medik, Ambrosia artemisiifolia L., Datura stramonium L. and Xanthium strumarium L. are four well-known invasive weed species that are widespread in many crops.
Radivojević Ljiljana   +3 more
doaj  

Toxic effect of Xanthium Strumarium as an herbal medicine preparation [PDF]

open access: yes, 2009
We describe the intoxication resulting from exposure of a previously healthy young woman to Xanthium Strumarium (Astraceae family) as an herbal preparation.
Mofidi, Mani, Saidi, Hossein
core  

Diurnal Variation in Gas Exchange: The Balance between Carbon Fixation and Water Loss [PDF]

open access: yes, 2017
Stomatal control of transpiration is critical for maintaining important processes, such as plant water status, leaf temperature, as well as permitting sufficient CO2 diffusion into the leaf to maintain photosynthetic rates (A). Stomatal conductance often
Lawson, Tracy   +2 more
core   +1 more source

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