Search Results - "Collins, Guy D"

Water deficit in field-grown Gossypium hirsutum primarily limits net photosynthesis by decreasing stomatal conductance, increasing photorespiration, and increasing the ratio of dark respiration to gross photosynthesis by Chastain, Daryl R., Snider, John L., Collins, Guy D., Perry, Calvin D., Whitaker, Jared, Byrd, Seth A.

“…Much effort has been expended to improve irrigation efficiency and drought tolerance of agronomic crops; however, a clear understanding of the physiological…”
Get full text

The impact of seed size and chemical composition on seedling vigor, yield, and fiber quality of cotton in five production environments by Snider, John L., Collins, Guy D., Whitaker, Jared, Chapman, Kent D., Horn, Patrick

“…•Planting seed characteristics are predictive of seedling vigor in field-grown cotton.•Oil+proteinkcal content per seed is most predictive of early…”
Get full text

Helicoverpa zea (Lepidoptera: Noctuidae) Oviposition and Larval Vertical Distribution in Bt Cotton Under Different Levels of Nitrogen and Irrigation by Braswell, Lewis R., Reisig, Dominic D., Sorenson, Clyde E., Collins, Guy D.

“…In some Bt cotton (Gossypium hirsutum L.) varieties, bollworm (Helicoverpa zea Boddie) larval behavior differs from non-Bt varieties. Laboratory assays…”
Get full text

Helicoverpa zea (Lepidoptera: Noctuidae) Preference for Plant Structures, and Their Location, Within Bt Cotton Under Different Nitrogen and Irrigation Regimes by Braswell, Lewis R., Reisig, Dominic D., Sorenson, Clyde E., Collins, Guy D.

“…Helicoverpa zea Boddie is a common economic pest of cotton (Gossypium hirsutum L.), including transgenic cotton varieties that express Bacillus thuringiensis…”
Get full text

Development and Dispersal of Helicoverpa zea (Lepidoptera: Noctuidae) on Non-Bt and Bt Pyramided Cotton by Braswell, Lewis R, Reisig, Dominic D, Sorenson, Clyde E, Collins, Guy D

“…Bollworm (Helicoverpa zea Boddie) (Lepidoptera: Noctuidae) can cause economic losses in both non-Bt and Bt cotton. Larvae modify their behavior in the presence…”
Get full text

HPPD-resistant cotton response to isoxaflutole applied preemergence and postemergence by Joyner, Joshua D., Cahoon, Charles W., Everman, Wesley J., Collins, Guy D., Taylor, Zachary R., Blythe, Andrew C.

“…Studies were conducted in 2019 and 2020 in Lewiston, NC, to determine the crop response of 4-hydroxyphenylpyrivate dioxygenase (HPPD)-resistant cotton to…”
Get full text

Leaf ontogeny strongly influences photosynthetic tolerance to drought and high temperature in Gossypium hirsutum by Chastain, Daryl R., Snider, John L., Choinski, John S., Collins, Guy D., Perry, Calvin D., Whitaker, Jared, Grey, Timothy L., Sorensen, Ronald B., van Iersel, Marc, Byrd, Seth A., Porter, Wesley

“…Temperature and drought are major abiotic limitations to crop productivity worldwide. While abiotic stress physiology research has focused primarily on fully…”
Get full text

Field-acclimated Gossypium hirsutum cultivars exhibit genotypic and seasonal differences in photosystem II thermostability by Snider, John L., Oosterhuis, Derrick M., Collins, Guy D., Pilon, Cristiane, FitzSimons, Toby R.

“…Previous investigations have demonstrated that photosystem II (PSII) thermostability acclimates to prior exposure to heat and drought, but contrasting results…”
Get full text

Predawn respiration rates during flowering are highly predictive of yield response in Gossypium hirsutum when yield variability is water-induced by Snider, John L., Chastain, Daryl R., Meeks, Calvin D., Collins, Guy D., Sorensen, Ronald B., Byrd, Seth A., Perry, Calvin D.

“…Respiratory carbon evolution by leaves under abiotic stress is implicated as a major limitation to crop productivity; however, respiration rates of fully…”
Get full text

Cotton Stage of Growth Determines Sensitivity to 2,4-D by Byrd, Seth A, Collins, Guy D, Culpepper, A. Stanley, Dodds, Darrin M, Edmisten, Keith L, Wright, David L, Morgan, Gaylon D, Baumann, Paul A, Dotray, Peter A, Manuchehri, Misha R, Jones, Andrea, Grey, Timothy L, Webster, Theodore M, Davis, Jerry W, Whitaker, Jared R, Roberts, Phillip M, Snider, John L, Porter, Wesley M

“…The anticipated release of EnlistTM cotton, corn, and soybean cultivars likely will increase the use of 2,4-D, raising concerns over potential injury to…”
Get full text

Response of LibertyLink and WideStrike Cotton to Varying Rates of Glufosinate by Dodds, Darrin M, Main, Christopher L, Barber, L. Thomas, Burmester, Charles, Collins, Guy D, Edmisten, Keith, Stephenson, Daniel O, Whitaker, Jared R, Boykin, Deborah L

“…Field studies were conducted in Alabama, Arkansas, Georgia, Louisiana, Mississippi, North Carolina, and Tennessee during 2010 and 2011 to determine the effect…”
Get full text

Measuring Canopy Coverage with Digital Imaging by Stewart, A.M, Edmisten, K.L, Wells, R, Collins, G.D

“…Sampling plant canopies for their ability to intercept sunlight has traditionally been done with destructive or time-consuming methods. Although nondestructive…”
Get full text

Maximizing soybean yield by understanding planting date, maturity group, and seeding rate interactions in North Carolina by Morris, Tristan C., Vann, Rachel A., Heitman, Josh, Collins, Guy D., Heiniger, Ryan W.

“…Growers across theU.S. Southeast use a diversity of soybean [Glycine max (L.) Merr.] planting dates, maturity groups, and seeding rates for soybean production…”
Get full text

Cultivar, irrigation management, and mepiquat chloride strategy: Effects on cotton growth, maturity, yield, and fiber quality by Chalise, Devendra Prasad, Snider, John L., Hand, Lavesta C., Roberts, Phillip, Vellidis, George, Ermanis, Alessandro, Collins, Guy D., Lacerda, Lorena N., Cohen, Yafit, Pokhrel, Amrit, Parkash, Ved, Lee, Joshua Mark

“…Drought negatively affects cotton growth and yield, whereas excessive irrigation can limit yield through excessive vegetative growth and poor fruit retention…”
Get full text

Planting date and maturity group impact on soybean seed quality in the southeastern United States by Morris, Tristan C., Vann, Rachel A., Collins, Guy D., Heitman, Joshua, Kulesza, Stephanie B.

“…The impacts on soybean seed quality from shifting to using earlier soybean planting dates (PDs) and earlier‐maturing varieties in the southeastern United…”
Get full text

Residual Weed Control in Cotton Utilizing Herbicide-Coated Fertilizer by Dean, Brock A., Cahoon, Charles W., Collins, Guy D., Jordan, David L., Taylor, Zachary R., Forehand, Jacob C., de Sanctis, Jose S., Lee, James H.

“…Abstract An experiment was conducted in 2022 and 2023 near Rocky Mount and Clayton, NC, to evaluate residual herbicide-coated fertilizer for cotton tolerance…”
Get full text

Irrigation Scheduling Using Predawn Leaf Water Potential Improves Water Productivity in Drip‐Irrigated Cotton by Chastain, Daryl R., Snider, John L., Collins, Guy D., Perry, Calvin D., Whitaker, Jared, Byrd, Seth A., Oosterhuis, Derrick M., Porter, Wesley M.

“…To address the effectiveness of predawn leaf water potential in plant‐based irrigation scheduling, Gossypium hirsutum L. plants were grown under fully…”
Get full text

Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars by Byrd, Seth A., Collins, Guy D., Barentine, Ronnie M., Snider, John L., Culpepper, A. Stanley, Roberts, Phillip M., Porter, Wesley M., Whitaker, Jared R.

“…Core Ideas There was little interaction between tillage and irrigation on agronomic parameters.Excessive rainfall minimized agronomic benefits of the rolled…”
Get full text

Do genotypic differences in thermotolerance plasticity correspond with water-induced differences in yield and photosynthetic stability for field-grown upland cotton? by Snider, John L., Chastain, Daryl R., Collins, Guy D., Grey, Timothy L., Sorensen, Ronald B.

“…•Yield stability is associated with heat tolerance stability under water deficit.•A novel method is described for assessing thermotolerance stability in the…”
Get full text

Development and support of community nurse prescribers: Guy Collins and Karen George describe how support groups in Shropshire aided the transition to nurse prescriber status and ensured ongoing development by Collins, Guy D, George, Karen

Get full text