Search Results - "Sprague, Christy L"

Narrow-row soybean and a cereal rye cover crop suppress glyphosate-resistant horseweed (Conyza canadensis) by Fisher, Justine L., Sprague, Christy L.

“…Alternative strategies are needed for management of glyphosate-resistant (GR) horseweed in soybean. Integrating a cereal rye cover crop with soybean planted in…”
Get full text

Contributions of shading, soybean (Glycine max) row width, and planting green on horseweed (Conyza canadensis) management compared with soil-applied residual herbicides by Fisher, Justine L., Sprague, Christy L.

“…Glyphosate-resistant (GR) horseweed is a problematic weed for Michigan soybean growers. Additionally, rosette- and upright-horseweed growth types have been…”
Get full text

Effect of Soybean Row Width and Population on Weeds, Crop Yield, and Economic Return by Harder, Dana B, Sprague, Christy L, Renner, Karen A

“…Field studies were conducted in 2004 and 2005 to determine the effect of soybean row width and population on weeds, canopy closure, crop yield, and economic…”
Get full text

Response of a Multiple-Resistant Palmer Amaranth (Amaranthus palmeri) Population to Four HPPD-Inhibiting Herbicides Applied Alone and with Atrazine by Kohrt, Jonathon R., Sprague, Christy L.

“…Control of multiple-resistant Palmer amaranth populations in corn will rely heavily on the use of POST 4-hydroxyphenylpyruvate dioxygenase (HPPD)-inhibiting…”
Get full text

Environmental Cues Affecting Horseweed (Conyza canadensis) Growth Types and their Sensitivity to Glyphosate by Schramski, John A., Sprague, Christy L., Patterson, Eric L.

“…Horseweed [Conyza canadensis (L.) Cronquist] is a facultative winter annual weed that can emerge from March to November in Michigan. Fall-emerging C…”
Get full text

Effects of fall-planted cereal cover-crop termination time on glyphosate-resistant horseweed (Conyza canadensis) suppression by Schramski, John A., Sprague, Christy L., Renner, Karen A.

“…Integrated strategies for management of glyphosate-resistant (GR) horseweed are needed to reduce reliance on herbicides. Planting a cover crop after corn or…”
Get full text

Tillage, Cropping System, and Soil Depth Effects on Common Waterhemp (Amaranthus rudis) Seed-Bank Persistence by Steckel, Lawrence E, Sprague, Christy L, Stoller, Edward W, Wax, Loyd M, Simmons, F. William

“…A field experiment was conducted in Urbana, IL, from 1997 to 2000 to evaluate the effect that crop, tillage, and soil depth have on common waterhemp seed-bank…”
Get full text

Investigations into Differential Glyphosate Sensitivity between Two Horseweed (Conyza Canadensis) Growth Types by Fisher, Justine L., Sprague, Christy L., Patterson, Eric L., Schramski, John A.

“…Horseweed [Conyza canadensis (L.) Cronquist] grows in one of two distinct growth phenotypes, “rosette” and “upright” growth types, and they have recently been…”
Get full text

Integrating fall-planted cereal cover crops and preplant herbicides for glyphosate-resistant horseweed (Conyza canadensis) management in soybean by Schramski, John A., Sprague, Christy L., Renner, Karen A.

“…Glyphosate-resistant horseweed is difficult to manage in no-tillage crop production fields and new strategies are needed. Cover crops may provide an additional…”
Get full text

Tank contamination with dicamba and 2,4-D influences dry edible bean by Bales, Scott R, Sprague, Christy L

“…The occurrence of herbicide tank contamination with dicamba or 2,4-D will likely increase with the recent commercialization of dicamba- and 2,4-D-resistant…”
Get full text

Off-target movement assessment of dicamba in North America by Soltani, Nader, Oliveira, Maxwel C, Alves, Guilherme S, Werle, Rodrigo, Norsworthy, Jason K, Sprague, Christy L, Young, Bryan G, Reynolds, Daniel B, Brown, Ashli, Sikkema, Peter H

“…Six experiments were conducted in 2018 on field sites located in Arkansas, Indiana, Michigan, Nebraska, Ontario, and Wisconsin to evaluate the off-target…”
Get full text

Confirmation of a Three-Way (Glyphosate, ALS, and Atrazine) Herbicide-Resistant Population of Palmer Amaranth (Amaranthus palmeri) in Michigan by Kohrt, Jonathon R., Sprague, Christy L., Nadakuduti, Satya Swathi, Douches, David

“…The failure of PRE and POST applications of atrazine to control Palmer amaranth in recent field studies prompted further investigation to determine whether…”
Get full text

Sensitivity of dry edible bean to dicamba and 2,4-D by Bales, Scott R, Sprague, Christy L

“…Dicamba and 2,4-D exposure to sensitive crops, such as dry bean, is of great concern with the recent registrations of dicamba- and 2,4-D–resistant soybean. In…”
Get full text

Interseeded annual ryegrass, oilseed radish, and crimson clover tolerance to residual herbicides commonly used in corn by Brooker, Aaron P, Sprague, Christy L, Renner, Karen A

“…Cover cropping is limited by seasonal constraints following corn harvest in the Upper Midwest of the United States. Grass, clover, and brassica cover crops can…”
Get full text

Effects of shading on common waterhemp (Amaranthus rudis) growth and development by Steckel, Lawrence E., Sprague, Christy L., Hager, Aaron G., Simmons, F. William, Bollero, German A.

“…Common waterhemp is a significant weed problem in Midwestern cropping systems partly because of its potential for multiple emergence events during the growing…”
Get full text

Herbicide Management Strategies in Field Corn for a Three-Way Herbicide-Resistant Palmer Amaranth (Amaranthus palmeri) Population by Kohrt, Jonathon R, Sprague, Christy L

“…Three field experiments were conducted from 2013 to 2015 in Barry County, MI to evaluate the effectiveness of PRE, POST, and one- (EPOS) and two-pass (PRE…”
Get full text

Potential Yield Loss in Dry Bean Crops Due to Weeds in the United States and Canada by Soltani, Nader, Dille, J. Anita, Gulden, Robert H, Sprague, Christy L, Zollinger, Richard K, Morishita, Don W, Lawrence, Nevin C, Sbatella, Gustavo M, Kniss, Andrew R, Jha, Prashant, Sikkema, Peter H

“…Earlier reports have summarized crop yield losses throughout various North American regions if weeds were left uncontrolled. Offered here is a report from the…”
Get full text

Potential Yield Loss in Sugar Beet Due to Weed Interference in the United States and Canada by Soltani, Nader, Dille, J. Anita, Robinson, Darren E, Sprague, Christy L, Morishita, Don W, Lawrence, Nevin C, Kniss, Andrew R, Jha, Prashant, Felix, Joel, Nurse, Robert E, Sikkema, Peter H

“…The objective of this WSSA Weed Loss Committee report is to provide quantitative data on the potential yield loss in sugar beet due to weed interference from…”
Get full text

Validation of predictive empirical weed emergence models of Abutilon theophrasti Medik based on intercontinental data by Egea‐Cobrero, Valle, Bradley, Kevin, Calha, Isabel M., Davis, Adam S., Dorado, Jose, Forcella, Frank, Lindquist, John L., Sprague, Christy L., Gonzalez‐Andujar, Jose L.

“…Good weed management relies on the proper timing of weed control practices in relation to weed emergence dynamics. Therefore, the development of models that…”
Get full text

Cover Crop Impact on Weed Dynamics in an Organic Dry Bean System by Hill, Erin C, Renner, Karen A, Sprague, Christy L, Davis, Adam S

“…Weed suppression is one possible benefit of including cover crops in crop rotations. The late spring planting date of dry beans allows for more growth of cover…”
Get full text