Results 71 to 80 of about 815 (193)

Achieving Full-season Waterhemp Control in Soybean [PDF]

open access: yes, 2019
Although there are many ways weeds escape control in crop fields, one of the leading causes of waterhemp control failures is emergence of plants following postemergence herbicide (POST) treatments.
Hartzler, Robert, Anderson, Meaghan
core  

Glyphosate resistance and EPSPS gene amplification confirmed in a waterhemp (Amaranthus tuberculatus) biotype from Connecticut

open access: yesAgrosystems, Geosciences & Environment
Waterhemp (Amaranthus tuberculatus) is an economically important broadleaf weed that threatens corn and soybean production across the United States.
Jatinder S. Aulakh   +4 more
doaj   +1 more source

Common Waterhemp Growth and Fecundity as Influenced by Emergence Date and Competing Crop

open access: yesAgronomy Journal, 2007
Common waterhemp (Amarathus rudis Sauer) is a frequent weed in glyphosate‐resistant (GR) crops in the midwestern USA due, in part, to the delayed emergence of its seedlings. Variable waterhemp emergence was simulated by transplanting seedlings into both corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] and bare plot areas at differing crop growth
Uscanga-Mortera, E.   +3 more
openaire   +3 more sources

Targeted herbicide cost requirements for adoption of See & Spray technology and ways to improve area sprayed

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 1, March 2026.
Abstract Adopting targeted herbicide applications creates a dynamic problem for producers when considering the economic viability of See & Spray. Research was conducted to estimate how weed area, area sprayed, nozzle selection, sensitivity settings, crops, and regions influence potential herbicide savings with the John Deere See & Spray technology ...
Tristen H. Avent   +4 more
wiley   +1 more source

Integrating early spring‐planted barley or oat for Palmer amaranth management in soybean

open access: yesCrop Science, Volume 66, Issue 1, January/February 2026.
Abstract Fall‐planted cover crops (CCs) are widely used for weed suppression, but CC establishment challenges after fall harvest in temperate regions necessitate alternative approaches. The objectives of this study were to evaluate the integrated effect of spring‐planted barley or oat CC and herbicide programs for CC biomass production, Palmer amaranth
Vipin Kumar   +5 more
wiley   +1 more source

Interactions between glyphosate, Fusarium infection of waterhemp, and soil microorganisms [PDF]

open access: yes, 2018
In recent years, an increasing number of weed populations have been characterized with resistance to the herbicide glyphosate. In particular, waterhemp has evolved glyphosate resistance (GR) across numerous soybean fields in Missouri. Therefore research is needed to determine best management practices for GR weed biotypes.
openaire   +2 more sources

Factors leading to inconsistent waterhemp control [PDF]

open access: yes, 2002
Waterhemp continues to be one of the most problematic weeds for Iowa farmers. A higher frequency of waterhemp escapes was observed in Roundup Ready soybean fields during 2001 than in previous years.
Hartzler, Robert
core  

Weed seed destructor: A harvest weed seed control method to manage waterhemp in soybean [PDF]

open access: yes, 2023
Waterhemp (Amaranthus tuberculatus [Moq.] J.D. Sauer) is the most common and troublesome weed in soybean (Glycine max [L.] Merr.) based cropping systems of the Midwestern United States (U.S.). Evolution of multiple herbicide resistance in waterhemp is an
Meadows, Alexis Linnea
core  

WeedRepFormer: Reparameterizable Vision Transformers for Real-Time Waterhemp Segmentation and Gender Classification

open access: yesCoRR
We present WeedRepFormer, a lightweight multi-task Vision Transformer designed for simultaneous waterhemp segmentation and gender classification. Existing agricultural models often struggle to balance the fine-grained feature extraction required for biological attribute classification with the efficiency needed for real-time deployment. To address this,
Toqi Tahamid Sarker   +5 more
openaire   +2 more sources

Investigating the cost of adaptation in Amaranthus tuberculatus populations with evolved resistance to glyphosate [PDF]

open access: yes
Amaranthus tuberculatus (Common Waterhemp) is a prevalent, problematic weed in Midwestern USA, where genetically-modified crops are widely grown, resulting in multiple annual applications of glyphosate.
Cockerton, Helen Maria
core  

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