Results 31 to 40 of about 730 (164)

Conyza spp.: From Ugly Duckling to Agriculture's Fittest Swan - Brief Review [PDF]

open access: yesPlanta Daninha, 2016
Conyza spp. are widely responsible for yield losses in agriculture due to its worldwide occurrence, resistance to herbicides and other traits which turn these species into first grade weeds.
G. CONCENÇO, S.E. CONCENÇO
doaj   +1 more source

First Case of Conyza canadensis from Hungary with Multiple Resistance to Glyphosate and Flazasulfuron

open access: yesAgronomy, 2018
Conyza canadensis is a species invading large areas throughout the world, mainly due to its ability to evolve herbicide resistance. In Hungary, extensive areas have been infested by this species due to the difficulty in controlling it with glyphosate. To
Candelario Palma-Bautista   +5 more
doaj   +1 more source

Estimation of Nuclear DNA Contents of Three Economically Important Plant Species by Laser Flow Cytometry [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 2016
Nuclear DNA content and genome size are key factors in biology and biodiversity, and have important implications in modern molecular genetic studies. Diesel tree (Copaifera officinalis L.) and switchgrass (Panicum virgatum L. cv.
Hani Al-Ahmad   +3 more
doaj   +1 more source

A Multy-Year Study Reveals the Importance of Residual Herbicides on Weed Control in Glyphosate-Resistant Soybean [PDF]

open access: yesPlanta Daninha, 2018
: A 3-year field study was conducted to assess the potential for using pre-emergent (PRE) herbicides tank mixed with glyphosate as a means of controlling weed species in soybean.
A.L. NUNES   +3 more
doaj   +2 more sources

Control of conyza bonariensis with glyphosate associated to adjuvants applied with different spray nozzles

open access: yesBioscience Journal, 2017
The study aimed to evaluate the control of C. bonariensis in delayed post-emergence stage using different spray nozzles and solutions with and without adjuvants; and to verify the occurrence of resistance to glyphosate, determining the dose-response ...
Tiago Lima do Espírito Santo   +4 more
doaj   +3 more sources

Effect of Adjuvant on Glyphosate Effectiveness, Retention, Absorption and Translocation in Lolium rigidum and Conyza canadensis

open access: yesPlants, 2020
Glyphosate retention, absorption and translocation with and without adjuvant were examined in Lolium rigidum and Conyza canadensis in greenhouse and laboratory settings to develop an understanding of the influence of the selected adjuvant on glyphosate ...
Candelario Palma-Bautista   +6 more
doaj   +1 more source

Glyphosate influence on the physiological parameters of Conyza bonariensis biotypes [PDF]

open access: yesPlanta Daninha, 2014
The objective of this study was to determine changes in gas exchange and inhibition of EPSPs, based on the accumulation of shikimic acid in horseweed biotypes resistant and sensitive to glyphosate. Two experiments were conducted in a factorial model. The
L. Vargas   +7 more
doaj   +2 more sources

Chemical Profiles, Anticancer, and Anti-Aging Activities of Essential Oils of Pluchea dioscoridis (L.) DC. and Erigeron bonariensis L.

open access: yesPlants, 2021
Plants belonging to the Asteraceae family are widely used as traditional medicinal herbs around the world for the treatment of numerous diseases. In this work, the chemical profiles of essential oils (EOs) of the above-ground parts of Pluchea dioscoridis
Abdelbaset M. Elgamal   +5 more
doaj   +1 more source

Fendioxypyracil, a new and systemic PPO‐inhibiting herbicide for X‐spectrum weed control

open access: yesPest Management Science, Volume 82, Issue 7, Page 6794-6807, July 2026.
This graphical abstract presents the discovery and synthesis of PPO herbicide structures with a central pyridine core, showing molecular conformations, dose–response inhibition curves for PPO1 and PPO2, and comparative weed and grass control efficacy of fendioxypyracil versus other herbicides in greenhouse and field trials.
Tobias Seiser   +8 more
wiley   +1 more source

Involvement of Epigenetic Mechanisms in Herbicide Resistance: The Case of Conyza canadensis

open access: yesAgriculture, 2018
Glyphosate is the most important herbicide globally, and horseweed (Conyza canadensis) has been one of the most commonly encountered weed species that has developed resistance to it in various parts of the world, including Greece.
Theoni Margaritopoulou   +3 more
doaj   +1 more source

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