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Journal articles on the topic 'Prickly sida'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Boyette, C. Douglas, and H. Lynn Walker. "Evaluation ofFusarium lateritiumas a Biological Herbicide for Controlling Velvetleaf (Abutilon theophrasti) and Prickly Sida (Sida spinosa)." Weed Science 34, no. 1 (1986): 106–9. http://dx.doi.org/10.1017/s0043174500026552.

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In greenhouse studies,Fusarium lateritiumNees ex Fr. was effective in suppressing the growth of velvetleaf (Abutilon theophrastiMedic. # ABUTH) and prickly sida (Sida spinosaL. # SIDSP). Sprays containing conidia of the fungus and fungus-infested sodium alginate-kaolin clay granules controlled both weeds in corn (Zea maysL.), cotton (Gossypium hirsutumL.), and soybeans [Glycine max(L.) Merr.] without causing a reduction in dry weight of the crops. In field tests, postemergence foliar applications of the fungus controlled velvetleaf and prickly sida 40 and 80%, respectively, in 1982, but contro

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2

Kati, Vaya, Thomas Gitsopoulos, Ioannis Vasilakoglou, Christos Vlachos, Philippos Mylonas, and George Menexes. "Prickly Sida (Sida spinosa L.) and Cotton Response to Pre- and Early Post-Emergence Herbicides." Agronomy 13, no. 10 (2023): 2466. http://dx.doi.org/10.3390/agronomy13102466.

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Prickly sida is a troublesome annual weed native to the USA. It was introduced in Greece over two decades ago and has since been infesting cotton crops, where it proved difficult to control. A two-year field study (2021–2022) was conducted in a cotton field (Karditsa, central Greece) heavily infested with prickly sida to evaluate the efficacy of nine treatments against this weed, using pre-emergence (PRE) and early post-emergence (EPOST) herbicides applied at the field rate. At 8 weeks after treatment, prickly sida control was over 90% with pyrithiobac PRE (68.9 g ai ha−1) alone or in mixture

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3

Thomas, Walter E., Shawn C. Troxler, W. David Smith, Loren R. Fisher, and John W. Wilcut. "Uptake, translocation, and metabolism of sulfentrazone in peanut, prickly sida (Sida spinosa), and pitted morningglory (Ipomoea lacunosa)." Weed Science 53, no. 4 (2005): 446–50. http://dx.doi.org/10.1614/ws-04-085r2.

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Studies were conducted to evaluate uptake, translocation, and metabolism of root-absorbed14C-sulfentrazone in peanut, prickly sida, and pitted morningglory. Peanut absorbed more than five and three times greater14C-sulfentrazone than pitted morningglory and prickly sida, respectively. All plant species translocated appreciable amounts (≥ 39%) of radioactivity to the leaves. The three plant species had some capacity to metabolize14C-sulfentrazone. At 3 h after treatment, 7, 29, and 71% of the radioactivity in the shoots of peanut, prickly sida, and pitted morningglory, respectively, was sulfent

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4

SMITH, C. A., D. R. SHAW, and L. J. NEWSOM. "Arrowleaf sida (Sida rhombifolia) and prickly sida (Sida spinosa): germination and emergence." Weed Research 32, no. 2 (1992): 103–9. http://dx.doi.org/10.1111/j.1365-3180.1992.tb01867.x.

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5

Singh, Samunder, and Megh Singh. "Effect of Growth Stage on Trifloxysulfuron and Glyphosate Efficacy in Twelve Weed Species of Citrus Groves." Weed Technology 18, no. 4 (2004): 1031–36. http://dx.doi.org/10.1614/wt-03-209r2.

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Efficacy of trifloxysulfuron with and without surfactant was evaluated against balsamapple, cat's claw vine, Florida beggarweed, hairy beggarticks, ivyleaf morningglory, johnsongrass, prickly sida, redroot pigweed, sicklepod, strangler vine, tall morningglory, and yellow nutsedge at 21, 42, and 63 g ai/ha applied at the four- or six-leaf stages and compared with glyphosate at 280, 560, and 840 g ae/ha. Delayed application from the four- to six-leaf stage significantly reduced trifloxysulfuron efficacy; reduction was less with glyphosate. Trifloxysulfuron plus 0.25% X-77 was more effective on t

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6

Norsworthy, Jason K., Lawrence R. Oliver, and Larry C. Purcell. "Diurnal Leaf Movement Effects on Spray Interception and Glyphosate Efficacy." Weed Technology 13, no. 3 (1999): 466–70. http://dx.doi.org/10.1017/s0890037x00046042.

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Time of day at which a herbicide is applied can affect efficacy, and variability may be attributed to leaf angles at application. Spray interception by hemp sesbania (Sesbania exaltata), sicklepod (Senna obtusifolia), and prickly sida (Sida spinosa) under day and night conditions was quantified by measuring interception of a 2-M potassium nitrate solution. Following the night application, interception by prickly sida, hemp sesbania, and sicklepod was reduced 17, 67, and 70%, respectively. In a second study in the greenhouse, glyphosate was applied to hemp sesbania, pitted morningglory (Ipomoea

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7

Hollowell, J. E., and B. B. Shew. "First Report of Sclerotinia minor on Sida spinosa in North Carolina." Plant Disease 89, no. 10 (2005): 1128. http://dx.doi.org/10.1094/pd-89-1128a.

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The soilborne fungus Sclerotinia minor Jagger is a major pathogen of peanut (Arachis hypogaea L.) in North Carolina, Virginia, Oklahoma, and Texas. The pathogen attacks several winter annual weed species (1). Economic crops that are hosts to S. minor are seldom grown in rotation with peanut; therefore, its pathogenicity on weed species is of importance in understanding how inoculum densities are maintained between peanut crops. During September 2004, signs of fluffy, white mycelium, small, black sclerotia, and symptoms of bleached leaves and stems were observed on prickly sida (Sida spinosa L.

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8

Bararpour, Taghi, Nicholas E. Korres, Alyssa Miller, Worlanyo Segbefia, Varsha Singh, and Te-Ming Tseng. "Prickly Sida (Sida spinosa L.), Hemp Sesbania [Sesbania herbacea (Mill.) McVaugh], and Pitted Morningglory (Ipomoea lacunose L.) Response to Selective and Non-Selective Herbicide in Mississippi, USA." Journal of Agricultural Science 15, no. 5 (2023): 1. http://dx.doi.org/10.5539/jas.v15n5p1.

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Prickly sida (Sida spinosa), hemp sesbania (Sesbania herbacea), and pitted morningglory (Ipomoea lacunose) are becoming problematic weeds in many crops including corn and soybean. Two separate field experiments, under non-crop conditions, were conducted at the Mississippi State University Delta Research and Extension Center, in Stoneville, MS to evaluate the response of these weeds to eight corn selective herbicides and three non-selective herbicides alone or in combination. The herbicides used were Aatrex (atrazine), Clarity (dicamba), 2,4-D (2,4-D amine), Callisto (mesotrione), Enlist Duo (2

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9

Gautam, Saurabh, James W. Buck, Bhabesh Dutta, et al. "Sida Golden Mosaic Virus, an Emerging Pathogen of Snap Bean (Phaseolus vulgaris L.) in the Southeastern United States." Viruses 15, no. 2 (2023): 357. http://dx.doi.org/10.3390/v15020357.

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Sida golden mosaic virus (SiGMV) was first detected from snap bean (Phaseolus vulgaris L.) in Florida in 2006 and recently in Georgia in 2018. Since 2018, it has caused significant economic losses to snap bean growers in Georgia. This study, using a SiGMV isolate field-collected from prickly sida (Sida spinosa L.), examined the putative host range, vector-mediated transmission, and SiGMV-modulated effects on host–vector interactions. In addition, this study analyzed the phylogenetic relationships of SiGMV with other begomoviruses reported from Sida spp. Host range studies confirmed that SiGMV

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10

Rankins, Alfred, John D. Byrd, Donald B. Mask, Jimmy W. Barnett, and Patrick D. Gerard. "Survey of Soybean Weeds in Mississippi." Weed Technology 19, no. 2 (2005): 492–98. http://dx.doi.org/10.1614/wt-04-197r2.

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A survey was conducted in 2000 across 38 counties in Mississippi on 192 randomly selected soybean fields to assess the most common occurring weeds. Statewide, prickly sida, which was present in 40% of the fields sampled, was the most common. Pitted and entireleaf morningglory were present in 34 and 29% of the soybean fields, respectively. Broadleaf signalgrass and barnyardgrass were the most common annual grasses, and yellow nutsedge was the most common sedge observed. Trumpetcreeper and redvine were the most common perennial vines. In the Mississippi Delta region of Mississippi, prickly sida

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11

Boyette, C. Douglas, and H. Lynn Walker. "Factors Influencing Biocontrol of Velvetleaf (Abutilon theophrasti) and Prickly Sida (Sida spinosa) withFusarium lateritium." Weed Science 33, no. 2 (1985): 209–11. http://dx.doi.org/10.1017/s0043174500082114.

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In greenhouse and controlled-environment tests, velvetleaf (Abutilon theophrastiMedic. ♯ ABUTH) and prickly sida (Sida spinosaL. ♯ SIDSP) control withFusarium lateritiumNees ex Fr. was affected by inoculum concentration and plant growth stage at the time of inoculation, by postinoculative air temperature, and by dew period duration and temperature. A higher level of control of both weeds was obtained with inoculum concentrations of 7.5 × 105and 1.5 × 106macroconidia/ml when the weeds had fewer than seven true leaves. Postinoculative air temperatures above 25 C significantly reduced control of

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12

Jordan, David L., Alan C. York, James L. Griffin, Patrick A. Clay, P. Roy Vidrine, and Daniel B. Reynolds. "Influence of Application Variables on Efficacy of Glyphosate." Weed Technology 11, no. 2 (1997): 354–62. http://dx.doi.org/10.1017/s0890037x00043062.

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Field experiments were conducted from 1993 to 1995 to compare weed control by the isopropylamine salt of glyphosate at 0.21, 0.42, 0.63, and 0.84 kg ae/ha applied at three stages of weed growth. Weed control by glyphosate applied at these rates alone or with ammonium sulfate at 2.8 kg/ha was also evaluated. In other experiments, potential interactions between glyphosate and acifluorfen, chlorimuron, and 2,4-DB were evaluated. Velvetleaf, prickly sida, sicklepod, pitted morningglory, entireleaf morningglory, palmleaf morningglory, and hemp sesbania were controlled more easily when weeds had one

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13

Egley, G. H., and R. N. Paul. "Detecting and overcoming water-impermeable barriers in prickly sida (Sida spinosaL.) seeds." Seed Science Research 3, no. 2 (1993): 119–27. http://dx.doi.org/10.1017/s0960258500001677.

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AbstractBarriers to water permeability in prickly sida seeds were characterized using solvents and water-soluble salts. The seeds imbibed water when barriers in the chalazal area broke down. The major barrier was in the distal region of the palisade layer bordered internally by the light line. Soaking dormant seeds in certain organic solvents overcame the barrier and enabled the seeds to imbibe water. The most active were non-polar solvents with dielectric constants between 3.7 and 18.5, and with a high ability to hydrate and swell cellulosic materials. We concluded that the most active solven

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14

Lanie, Andrew J., James L. Griffin, P. Roy Vidrine, and Daniel B. Reynolds. "Weed Control with Non-Selective Herbicides in Soybean (Glycine max) Stale Seedbed Culture." Weed Technology 8, no. 1 (1994): 159–64. http://dx.doi.org/10.1017/s0890037x00039373.

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Barnyardgrass and morningglory control POST with glufosinate at 840 g a.i./ha 28 d after treatment was 79 to 85% and 83 to 90%, respectively, when no more than 35 d elapsed between initial spring soil tillage and herbicide application. For the same rate of glufosinate, prickly sida and hemp sesbania were controlled 68 and 92%, respectively. Comparable barnyardgrass control was obtained with glufosinate at 560 and 840 g/ha, which was greater than at 420 g/ha. Hemp sesbania control was similar for all rates of glufosinate. In comparison, paraquat at 1050 g a.i./ha controlled 40 to 65% barnyardgr

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15

Shaw, David R., and M. Todd Wesley. "Interacting Effects on Absorption and Translocation from Tank Mixtures of ALS-Inhibiting and Diphenylether Herbicides." Weed Technology 7, no. 3 (1993): 693–98. http://dx.doi.org/10.1017/s0890037x00037568.

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The acetolactate synthase-inhibiting herbicides chlorimuron and imazaquin, and the diphenylether herbicides acifluorfen and lactofen, were applied alone and in all possible combinations to the foliage of common cocklebur, pitted morningglory, and prickly sida to evaluate interacting effects on absorption and translocation. The addition of unlabeled acifluorfen to14C-chlorimuron increased absorption in common cocklebur, pitted morningglory, and prickly sida. Lactofen also increased absorption of14C-imazaquin in all species. Conversely, imazaquin reduced absorption or translocation of14C-acifluo

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16

Koger, Clifford H., and Charles T. Bryson. "Effect of Cogongrass (Imperata cylindrica) Extracts on Germination and Seedling Growth of Selected Grass and Broadleaf Species." Weed Technology 18, no. 2 (2004): 236–42. http://dx.doi.org/10.1614/wt-03-022r1.

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The effects of cogongrass foliage and root residue extracts on germination and radicle and coleoptile growth of barnyardgrass, browntop millet, bermudagrass, hemp sesbania, Italian ryegrass, and prickly sida were investigated in laboratory experiments. Liquid extracts of cogongrass foliage and root residues at concentrations of 0, 0.25, 0.5, 1, 2, 4, and 8% were evaluated on bermudagrass and Italian ryegrass. Effects of 8% foliage or root residue extracts were investigated on hemp sesbania, prickly sida, barnyardgrass, and browntop millet. Cogongrass residue (foliage and root) extracts at conc

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17

Wesley, M. Todd, and David R. Shaw. "Interactions of Diphenylether Herbicides with Chlorimuron and Imazaquin." Weed Technology 6, no. 2 (1992): 345–51. http://dx.doi.org/10.1017/s0890037x00034849.

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Field experiment were conducted to determine interactions of chlorimuron or imazaquin with fomesafen, lactofen, or acifluorfen on three-leaf and eight-leaf common cocklebur, hemp sesbania, pitted morningglory, and prickly sida. Antagonism was the most common interaction with common cocklebur, and was most severe with chlorimuron combined with fomesafen or acifluorfen, whereas lactofen did not antagonize common cocklebur control. Reductions in control were greater when low rates of chlorimuron were used. On three-leaf prickly sida, control synergistically increased when imazaquin was combined w

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18

Koger, Clifford H., Charles T. Bryson, and John D. Byrd. "Response of Selected Grass and Broadleaf Species to Cogongrass (Imperata cylindrica) Residues." Weed Technology 18, no. 2 (2004): 353–57. http://dx.doi.org/10.1614/wt-03-092r1.

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Effects of cogongrass foliage and rhizome plus root residues on germination and shoot and root growth of barnyardgrass, bermudagrass, browntop millet, hemp sesbania, Italian ryegrass, and prickly sida were investigated in greenhouse experiments. Ground residues of dried cogongrass foliage and rhizomes plus roots were mixed separately with sterilized sand to obtain residue concentrations of 0, 0.25, 0.5, 1, 2, 4, and 8%. These residue concentrations were investigated on bermudagrass and Italian ryegrass, and the 8% residue concentrations were also evaluated on hemp sesbania, prickly sida, barny

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19

Jordan, David L., John W. Wilcut, and John S. Richburg. "DPX-PE350 for Weed Control in Peanut (Arachis hypogaea L.)." Peanut Science 20, no. 2 (1993): 97–101. http://dx.doi.org/10.3146/i0095-3679-20-2-8.

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Abstract Field experiments were conducted in 1991 and 1992 in Georgia to determine the efficacy of DPX-PE350 when applied either preplant incorporated (PPI), preemergence (PRE), and early postemergence (EPOST) at rates of 40, 80, or 120 g ae ha-1 for weed control in peanut. Species evaluated included coffee senna [Cassia occidentalis (L.)], Florida beggarweed [Desmodium tortuosum (Sw.) DC.], prickly sida (Sida spinosa L.), smallflower morningglory [Jacquemontia tamnifolia (L.) Griseb.], sicklepod (Cassia obtusifolia L.), and yellow nutsedge (Cyperus esculentus L.). Sicklepod was controlled bet

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20

Wichert, Rex A., Robert Bozsa, Ronald E. Talbert, and Lawrence R. Oliver. "Temperature and Relative Humidity Effects on Diphenylether Herbicides." Weed Technology 6, no. 1 (1992): 19–24. http://dx.doi.org/10.1017/s0890037x00034230.

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The influence of temperature and relative humidity on the activity of acifluorfen, fomesafen, lactofen, and acifluorfen plus bentazon on prickly sida, pitted and entireleaf morningglory, and common cocklebur was evaluated in a growth chamber. Reduced control of all species was observed at 50% relative humidity as compared to 85% relative humidity when temperatures were higher (32/55 C day/night). Similar response to relative humidity was observed at the lower temperature (25/15 C) when treatments were applied 14 days after emergence (DAE). Changes in temperature at the same relative humidity d

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21

Vidrine, P. Roy, Daniel B. Reynolds, and James L. Griffin. "Weed Control in Soybean (Glycine max) with Lactofen Plus Chlorimuron." Weed Technology 7, no. 2 (1993): 311–16. http://dx.doi.org/10.1017/s0890037x00027640.

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Field experiments were conducted over a 3-yr period at three locations to evaluate lactofen at rates of 110 to 220 g ai ha−1applied POST in combination with chlorimuron at 9 g ae ha−1for weed control in soybean. At St. Joseph in 1989 and Baton Rouge in 1990, lactofen at 110, 150, and 170 g ha−1in combination with chlorimuron controlled prickly sida (3 to 5 cm) and entireleaf and pitted morningglory (5 to 13 cm) comparable with the full rate of lactofen at 220 g ha−1plus chlorimuron and the standard treatment of acifluorfen at 280 g ae ha−1plus bentazon at 560 g ae ha−1. Entireleaf morningglory

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22

Hodgson, Richard H., and Robert H. Snyder. "Thidiazuron andColletotrichum coccodesEffects on Ethylene Production by Velvetleaf (Abutilon theophrasti) and Prickly Sida (Sida spinosa)." Weed Science 37, no. 3 (1989): 484–89. http://dx.doi.org/10.1017/s0043174500072258.

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The effects of the plant growth regulator thidiazuron and the plant pathogenColletotrichum coccodeson ethylene synthesis by velvetleaf and prickly sida were investigated. Untreated velvetleaf seedlings produced 1.5 and 2.3 pmol ethylene/mg fresh weight 24 and 48 h after treatment. Treatment with thidiazuron at 200 g ai/ha orC. coccodesat 1 × 109spores/m2increased ethylene production by 4.9 and 3.5 pmol/mg, respectively, in 24 h; and by 10.6 and 15.8 pmol/mg, respectively, in 48 h. Combination treatments caused synergistic increases in ethylene production by velvetleaf seedlings of 17.7 and 49.

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23

Pandey, Sudeep, Sudeep Bag, Phillip Roberts, et al. "Prospective Alternate Hosts of an Emerging Polerovirus in Cotton Landscapes in the Southeastern United States." Viruses 14, no. 10 (2022): 2249. http://dx.doi.org/10.3390/v14102249.

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The identification of alternate hosts that can act as virus inoculum sources and vector reservoirs in the landscape is critical to understanding virus epidemics. Cotton leafroll dwarf virus (CLRDV) is a serious pathogen in cotton production and is transmitted by the cotton/melon aphid, Aphis gossypii, in a persistent, circulative, and non-propagative manner. CLRDV was first reported in the United States in Alabama in 2017, and thereafter in several cotton-producing states. CLRDV has since established itself in the southeastern United States. The role of alternate hosts in CLRDV establishment i

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24

Walls, Frank R., A. Douglas Worsham, William K. Collins, Frederick T. Corbin, and J. R. Bradley. "Evaluation of Imazaquin for Weed Control in Flue-Cured Tobacco (Nicotiana tabacum)." Weed Science 35, no. 6 (1987): 824–29. http://dx.doi.org/10.1017/s0043174500079418.

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Imazaquin {2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acid} was evaluated in the field for weed control in flue-cured tobacco (Nicotiana tabacumL.) during 1983 and 1984. The 75 DG formulation of imazaquin was used at 0.28 and 0.42 kg ai/ha. Methods of application were: preplant incorporated, over the top immediately after transplanting, postbed incorporated, and early postemergence. Imazaquin controlled 90%, or better, of common lambsquarters (Chenopodium albumL. # CHEAL), common ragweed (Ambrosia artemisiifoliaL. # AMBEL), redroot pigweed (Amaranth

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25

Wilcut, John W., Glenn R. Wehtje, Michael G. Patterson, Tracy A. Cole, and T. Vint Hicks. "Absorption, Translocation, and Metabolism of Foliar-Applied Chlorimuron in Soybeans (Glycine max), Peanuts (Arachis hypogaea), and Selected Weeds." Weed Science 37, no. 2 (1989): 175–80. http://dx.doi.org/10.1017/s0043174500071745.

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Tolerance of species to foliar applications of the ethyl ester of chlorimuron as determined in greenhouse studies with 21-day-old seedlings was: soybean = peanut > prickly sida > sicklepod > Florida beggarweed > common cocklebur. Absorption of foliar-applied14C-chlorimuron 72 h after application was similar in soybean, peanut, sicklepod, common cocklebur, and prickly sida, but much less in Florida beggarweed. Slight symplasmic and apoplasmic translocation of the herbicide was evident in all species. Metabolism of chlorimuron 72 h after application was greatest in soybean and least

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26

King, Charles A., and Lawrence R. Oliver. "Application Rate and Timing of Acifluorfen, Bentazon, Chlorimuron, and Imazaquin." Weed Technology 6, no. 3 (1992): 526–34. http://dx.doi.org/10.1017/s0890037x00035740.

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Data from field studies at Fayetteville, AR, were used to predict the herbicide rate needed to provide 70, 80, or 90% control of a weed based upon weed age. Reduced herbicide rates generally needed to be applied within 6 to 12 d after emergence to control weeds 90%. Reduced rates (280 g ai ha–1or less) of acifluorfen controlled hemp sesbania, smooth pigweed, Palmer amaranth, and pitted and entireleaf morningglory 90%. Bentazon at 350 to 650 g ai ha–1controlled common cocklebur and prickly sida 90%. Common cocklebur, smooth pigweed, and pitted morningglory were controlled 90% with chlorimuron a

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27

Barnes, Jeff W., and Lawrence R. Oliver. "Cloransulam absorption, translocation, and efficacy on common broadleaf weed species." Weed Science 52, no. 4 (2004): 634–41. http://dx.doi.org/10.1614/ws-03-112r.

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Field and laboratory studies were conducted to evaluate herbicide efficacy, absorption, and translocation of cloransulam within broadleaf weeds. Control of morningglory species and velvetleaf with cloransulam was dependent upon application rate and timing. A reduced rate of cloransulam (9 g ai ha−1) was as effective as the labeled rate (18 g ha−1), when applications were targeted to small to midsize morningglory and velvetleaf. Prickly sida, hemp sesbania, and sicklepod were suppressed by cloransulam. Contour maps predicted accurately weed control for all species except tall morningglory. Clor

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28

Richburg, John S., John W. Wilcut, and William K. Vencill. "Imazethapyr Systems for Peanut (Arachis hypogaea L.)." Peanut Science 23, no. 1 (1996): 9–14. http://dx.doi.org/10.3146/i0095-3679-23-1-2.

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Abstract Field studies conducted in 1992 at Tifton and Midville, GA and in 1993 at Attapulgus, GA evaluated imazethapyr systems for weed control, peanut (Arachis hypogaea L.) injury, and yield. The standard of imazethapyr + paraquat early postemergence (EPOST) followed by paraquat + 2,4-DB + bentazon postemergence (POST) controlled at least 87% of bristly starbur, prickly sida, smallflower morningglory, and yellow nutsedge and the peanut crop yielded 3310 kg/ha. This standard controlled Florida beggarweed (46 and 83% control) and sicklepod (74 and 88% control) in 1992 and 1993; respectively. I

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29

Egley, Grant H., and Robert D. Williams. "Emergence Periodicity of Six Summer Annual Weed Species." Weed Science 39, no. 4 (1991): 595–600. http://dx.doi.org/10.1017/s0043174500088433.

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Emergence periodicity of common purslane, hemp sesbania, horse purslane, prickly sida, spurred anoda, and velvetleaf was determined from March to October during 5 yr at Stoneville, MS, in the absence of reseeding. In early March of each year prior to emergence determinations, plots were not tilled or tilled to depths of 0, 5, 10, or 15 cm. Yearly emergence periodicity of the six weed species was not affected by tillage. In each year, weeds of all species emerged in identifiable flushes and very few emerged at other times during the growing season. Velvetleaf emerged mainly during the early gro

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30

Jordan, David L., John W. Wilcut, and Charles W. Swann. "Application Timing of Lactofen for Broadleaf Weed Control in Peanut (Arachis hypogaea)." Peanut Science 20, no. 2 (1993): 129–31. http://dx.doi.org/10.3146/i0095-3679-20-2-16.

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Abstract Field experiments compared single and sequential applications of lactofen {+-2-ethoxy-1-methyl-2-oxoethyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate} to the standard herbicide programs of alachlor [2-chloro-N-2,6-diethylphenyl)-N-(methoxymethyl)-acetamide] + paraquat (1,11-dimethyl-4,41-bipyridinium ion) and acifluorfen {5-[2-chloro-4-(trifluromethyl)phenoxy]-2-nitrobenzoic acid} + bentazon {3-(1-methyl-ethyl)-1H-2,1,3-benzothiadiazon-4(3H) 2,2-dioxide} for broadleaf weed control. A single late postemergence (LPOST) application of lactofen controlled morningglory species

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31

Krutz, L. Jason, Ian C. Burke, Krishna N. Reddy, Robert M. Zablotowicz, and Andrew J. Price. "Enhanced Atrazine Degradation: Evidence for Reduced Residual Weed Control and a Method for Identifying Adapted Soils and Predicting Herbicide Persistence." Weed Science 57, no. 4 (2009): 427–34. http://dx.doi.org/10.1614/ws-09-010.1.

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Soilborne bacteria with novel metabolic abilities have been linked with enhanced atrazine degradation and complaints of reduced residual weed control in soils with ans-triazine use history. However, no field study has verified that enhanced degradation reduces atrazine's residual weed control. The objectives of this study were to (1) compare atrazine persistence and prickly sida density ins-triazine-adapted and nonadapted field sites at two planting dates; (2) utilize original and published data to construct a diagnostic test for identifyings-triazine-adapted soils; and (3) develop and validat

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Porterfield, Dunk, John W. Wilcut, Jerry W. Wells, and Scott B. Clewis. "Weed management with CGA-362622 in transgenic and nontransgenic cotton." Weed Science 51, no. 6 (2003): 1002–9. http://dx.doi.org/10.1614/p2002-014.

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Field studies conducted at three locations in North Carolina in 1998 and 1999 evaluated crop tolerance, weed control, and yield with CGA-362622 alone and in combination with various weed management systems in transgenic and nontransgenic cotton systems. The herbicide systems used bromoxynil, CGA-362622, glyphosate, and pyrithiobac applied alone early postemergence (EPOST) or mixtures of CGA-362622 plus bromoxynil, glyphosate, or pyrithiobac applied EPOST. Trifluralin preplant incorporated followed by (fb) fluometuron preemergence (PRE) alone or fb a late POST–directed (LAYBY) treatment of prom

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York, Alan C., John W. Wilcut, Charles W. Swann, David L. Jordan, and F. Robert Walls. "Efficacy of Imazethapyr in Peanut (Arachis hypogaea) as Affected by Time of Application." Weed Science 43, no. 1 (1995): 107–16. http://dx.doi.org/10.1017/s0043174500080905.

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Experiments conducted in North Carolina and Virginia compared weed control, peanut yield, and net returns with systems using imazethapyr applied at various times and the regional standard treatment of paraquat applied at the ground-cracking stage of peanut (GC) followed by acifluorfen plus bentazon applied POST. Imazethapyr was applied PPI, PRE, GC, or POST at 70 g ae ha−1. Imazethapyr also was applied sequentially PPI plus GC, PPI plus POST, and PRE plus POST at 35 + 35 and 70 + 70 g ha−1. Late-season control of common ragweed and a mixture of entireleaf, ivyleaf, and pitted morningglories by

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Grey, T. L., D. C. Bridges, and E. F. Eastin. "Influence of Application Rate and Timing of Diclosulam on Weed Control in Peanut (Arachis hypogaea L.)." Peanut Science 28, no. 1 (2001): 13–19. http://dx.doi.org/10.3146/i0095-3679-28-1-4.

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Abstract Field studies were conducted from 1996 to 1998 in Georgia to determine peanut (Arachis hypogaea L.) and weed response to ethalfluralin (0.8 kg ai/ha) plus diclosulam applied preplant incorporated (PPI) at 9, 18, 26, 35 and 52 g ai/ha. Other treatments included ethalfluralin PPI followed by paraquat plus bentazon (140 and 280 g ai/ha, respectively) early postemergence (EPOST) applied alone or following ethalfluralin plus diclosulam (18 and 26 g ai/ha) PPI, ethalfluralin PPI followed by imazapic (71 g ai/ha) postemergence (POST), and ethalfluralin PPI. Ethalfluralin was applied PPI in a

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Wilcut, John W., F. Robert Walls, and David N. Horton. "Imazethapyr for Broadleaf Weed Control in Peanuts (Arachis hypogaea)." Peanut Science 18, no. 1 (1991): 26–30. http://dx.doi.org/10.3146/i0095-3679-18-1-9.

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Abstract Field experiments were conducted at the Tidewater Agric. Exp. Station, Suffolk, VA in 1988 and 1989 to evaluate imazethapyr [(±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridine-carboxylic acid]for broadleaf weed control in peanuts (Arachis hypogaea L.). Imazethapyr was applied preplant-incorporated (PPI), preemergence (PRE), at ground-cracking (GC), and postemergence (POT) at rates of 0.036, 0.071, or 0.105 kg ai ha-1. Several sequential imazathapyr systems were also included. The standard of pendimethalin (N-ethylpropyl)-3, 4-dimethyl-2,6-dinitrob

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Stephenson, Daniel O., Jason A. Bond, Eric R. Walker, Mohammad T. Bararpour, and Lawrence R. Oliver. "Evaluation of Mesotrione in Mississippi Delta Corn Production." Weed Technology 18, no. 4 (2004): 1111–16. http://dx.doi.org/10.1614/wt-03-260r1.

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Field studies were conducted in Arkansas in 1999, 2000, and 2001 to evaluate mesotrione applied preemergence (PRE) and postemergence (POST) for weed control in corn grown in the Mississippi Delta region of the United States. Mesotrione was applied PRE (140, 210, and 280 g/ha) alone and POST (70, 105, and 140 g/ha), alone or in tank mixtures with atrazine (280 g/ha). Standard treatments for comparison were S-metolachlor/atrazine PRE and S-metolachlor plus atrazine PRE followed by atrazine POST. All PRE treatments controlled velvetleaf, pitted morningglory, entireleaf morningglory, prickly sida,

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Jordan, David L., Alan C. York, Marilyn R. McClelland, and Robert E. Frans. "Clomazone as a Component in Cotton (Gossypium hirsutum) Herbicide Programs." Weed Technology 7, no. 1 (1993): 202–11. http://dx.doi.org/10.1017/s0890037x00037131.

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Efficacy of herbicide programs containing clomazone PPI plus fluometuron PRE or clomazone plus pendimethalin PPI plus fluometuron PRE was compared with that of standard programs of pendimethalin PPI plus fluometuron PRE and norflurazon PPI plus norflurazon and fluometuron PRE. Cotton injury was less than 5% with all treatments when disulfoton or phorate was applied in the seed furrow. Control of fall panicum, goosegrass, large crabgrass, eclipta, entireleaf morningglory, ivyleaf morningglory, pitted morningglory, tall morningglory, prickly sida, redroot pigweed, smooth pigweed, hemp sesbania,

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Porter, Wayne C. "Clomazone for Weed Control in Sweet Potatoes (Ipomoea batatas)." Weed Technology 4, no. 3 (1990): 648–51. http://dx.doi.org/10.1017/s0890037x00026142.

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Clomazone was evaluated preplant incorporated (PPI) or post-transplant (PT) for weed control in sweet potatoes. No crop injury by clomazone was detected. Clomazone controlled (≥90%). broadleaf signalgrass, large crabgrass, barnyardgrass, and prickly sida at all rates and methods of application (MOA). Common cocklebur was controlled (≥93%) by clomazone at 1.1 kg ai ha-1applied PT or at 3.4 kg ai ha-1PPI in 1988 and at all rates and MOA in 1989. Clomazone did not control carpetweed.

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Burke, Ian C., and John W. Wilcut. "Weed Management in Cotton with CGA-362622, Fluometuron, and Pyrithiobac." Weed Technology 18, no. 2 (2004): 268–76. http://dx.doi.org/10.1614/wt-03-035r.

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An experiment was conducted at five locations in North Carolina during 2000 and 2001 to evaluate weed control, crop injury, and cotton yield. Weed management systems included different combinations of pyrithiobac preemergence (PRE), fluometuron PRE, CGA-362622 postemergence (POST), pyrithiobac POST, and monosodium salt of methylarsonic acid (MSMA) plus prometryn applied late POST-directed (LAYBY). At Goldsboro in 2000, cotton was injured 74 to 78% by CGA-362622 POST when evaluated 4 to 7 d after treatment (DAT). Injury at Clayton, Goldsboro, and Lewiston in 2001 and Rocky Mount in 2000 was les

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Thomas, Walter E., Tim T. Britton, Scott B. Clewis, Shawn D. Askew, and John W. Wilcut. "Glyphosate-Resistant Cotton (Gossypium hirsutum) Response and Weed Management with Trifloxysulfuron, Glyphosate, Prometryn, and MSMA." Weed Technology 20, no. 1 (2006): 6–13. http://dx.doi.org/10.1614/wt-04-257r1.1.

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Field studies were conducted at three locations to evaluate glyphosate-resistant (GR) cotton response, weed control, and cotton lint yields to two formulations of glyphosate (diammonium salt– glyphosate and isopropylamine salt–glyphosate) and trifloxysulfuron applied early postemergence (EPOST) alone or to tank mixtures of trifloxysulfuron with each glyphosate formulation, with and without a late postemergence-directed (LAYBY) treatment of prometryn plus MSMA. Trifloxysulfuron and both formulations of glyphosate controlled common lambsquarters and pitted morningglory. Both glyphosate formulati

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Branson, Jeffrey W., Kenneth L. Smith, and James L. Barrentine. "Comparison of Trifloxysulfuron and Pyrithiobac in Glyphosate-Resistant and Bromoxynil-Resistant Cotton." Weed Technology 19, no. 2 (2005): 404–10. http://dx.doi.org/10.1614/wt-04-173r.

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Field studies were conducted in 2000 and 2001 at Rohwer, AR. Trifloxysulfuron (5.3 and 8 g ai/ha) and pyrithiobac (70 g ai/ha) were applied preemergence (PRE) and postemergence (POST) broadcast at the two- to three-leaf (EP) and three- to four-leaf (MP) cotton growth stages. Both materials were also applied POST in combination with glyphosate at 560 g ae/ha or bromoxynil at 560 g ai/ha at both growth stages. Trifloxysulfuron applied EP or MP at 8 g/ha provided greater control of sicklepod and pitted morningglory 28 d after application (DAA) than trifloxysulfuron at 5.3 g/ha or pyrithiobac at 7

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Paulsgrove, Mary D., Whitnee L. Barker, and John W. Wilcut. "Bromoxynil-Resistant Cotton and Selected Weed Response to Mixtures of Bromoxynil and Pyrithiobac." Weed Technology 19, no. 3 (2005): 753–61. http://dx.doi.org/10.1614/wt-04-306r.1.

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An experiment was conducted at four locations in North Carolina in 1996 and 1997 to evaluate weed control and cotton response in conventional-tillage bromoxynil-resistant cotton. Weed management systems evaluated included a factorial arrangement of bromoxynil postemergence (POST) at 0, 0.28, 0.42, or 0.56 kg ai/ha in mixture with pyrithiobac POST at 0, 0.018, 0.032, or 0.072 kg ai/ha. Additional treatments evaluated included trifluralin preplant-incorporated (PPI) plus fluometuron preemergence (PRE). All systems received a postemergence-directed (PDS) treatment of fluometuron plus MSMA. Bromox

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MOLIN, WILLIAM T., and KANGETSU HIRASE. "Comparison of commercial glyphosate formulations for control of prickly sida, purple nutsedge, morningglory and sicklepod." Weed Biology and Management 4, no. 3 (2004): 136–41. http://dx.doi.org/10.1111/j.1445-6664.2004.00130.x.

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Miller, Donnie K., Robert G. Downer, E. Burris, B. Rogers Leonard, and Bill J. Williams. "Control of Selected Broadleaf Weeds with Glufosinate as Influenced by Insecticide Coapplication." Weed Technology 19, no. 3 (2005): 719–23. http://dx.doi.org/10.1614/wt-047-213r.1.

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Coapplication of herbicides and insecticides affords growers an opportunity to control multiple pests with one application, given that efficacy is not compromised. Glufosinate was applied at 470 g ai/ha both alone and in combination with the insecticides acephate, acetamiprid, bifenthrin, cyfluthrin, dicrotophos, emamectin benzoate, imidacloprid, indoxacarb, lambda-cyhalothrin, methoxyfenozide, spinosad, or thiamethoxam to determine coapplication effects on control of some of the more common and/or troublesome broadleaf weeds infesting cotton. Hemp sesbania, pitted morningglory, prickly sida,

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Bailey, William A., John W. Wilcut, David L. Jordan, Charles W. Swann, and Vernon B. Langston. "Response of Peanut (Arachis hypogaea) and Selected Weeds to Diclosulam." Weed Technology 13, no. 4 (1999): 771–76. http://dx.doi.org/10.1017/s0890037x00042214.

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Field studies were conducted at five locations in North Carolina and Virginia during 1996 and 1997 to evaluate weed control, peanut (Arachis hypogaea) response, and peanut yield following diclosulam applied preplant incorporated (PPI) and in systems with commercial herbicide standards. All plots received a PPI treatment of ethalfluralin at 840 g ai/ha. Ethalfluralin plus diclosulam controlled entireleaf morningglory (Ipomoea hederaceavar.integriuscula), ivyleaf morningglory (I. hederacea), pitted morningglory (I. lacunosa), common lambsquarters (Chenopodium album), eclipta (Eclipta prostrata),

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Bailey, William A., John W. Wilcut, David L. Jordan, Charles W. Swann, and Vernon B. Langston. "Weed Management in Peanut (Arachis hypogaea) with Diclosulam Preemergence." Weed Technology 13, no. 3 (1999): 450–56. http://dx.doi.org/10.1017/s0890037x00046017.

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Field studies were conducted at five locations in North Carolina and Virginia in 1996 and 1997 to evaluate weed control and peanut (Arachis hypogaea) response to diclosulam that was applied preemergence (PRE) and in systems with commercial standards. All plots received a preplant incorporated (PPI) treatment of ethalfluralin at 840 g ai/ha. Diclosulam controlled common lambsquarters (Chenopodium albumL.), eclipta (Eclipta prostrataL.), entireleaf morningglory (Ipomoea hederaceavar.integriusculaGray), ivyleaf morningglory [Ipomoea hederacea(L.) Jacq.], pitted morningglory (Ipomoea lacunosaL.),

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Barnes, Jeff W., and Lawrence R. Oliver. "Preemergence Weed Control in Soybean with Cloransulam." Weed Technology 18, no. 4 (2004): 1077–90. http://dx.doi.org/10.1614/wt-03-254r1.

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Field experiments were conducted from 1999 to 2001 to evaluate preemergence (PRE) activity of cloransulam on broadleaf weed species and to determine the effectiveness of cloransulam as a PRE herbicide in glyphosate-resistant soybean weed management systems. Cloransulam PRE controlled prickly sida, velvetleaf, and morningglory species even at reduced rates (recommended rate 36 g ai/ha) but only suppressed growth of Palmer amaranth, hemp sesbania, and sicklepod. Cloransulam applied PRE provided initial control or suppression of most weeds, but late-season control declined appreciably. Adding met

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Egley, Grant H. "High-Temperature Effects on Germination and Survival of Weed Seeds in Soil." Weed Science 38, no. 4-5 (1990): 429–35. http://dx.doi.org/10.1017/s0043174500056794.

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Seeds of eight weed species were heated for up to 7 days at 40, 50, 60, and 70 C in dry (2% moisture) and moist (19% moisture) Bosket very fine sandy loam to determine temperature-time treatments lethal to weed seeds. Seeds in dry soil were very tolerant to 60 C or less for up to 7 days but most seeds were killed at 70 C after 7 days. In moist soil, a few (1 to 12%) seeds of common purslane, redroot pigweed, johnsongrass, and spurred anoda survived for up to 3 days at 70 C. Some (4 to 30%) seeds of velvetleaf, pitted morningglory, and the above species survived up to 7 days at 60 C. No seeds o

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McLean, K. S. "Incidence of Colletotrichum dematium on Prickly Sida, Spotted Spurge, and Smooth Pigweed and Pathogenicity to Soybean." Plant Disease 72, no. 5 (1988): 390. http://dx.doi.org/10.1094/pd-72-0390.

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Jordan, David L., Robert E. Frans, and Marilyn R. McClelland. "Total Postemergence Herbicide Programs in Cotton (Gossypium Hirsutum) with Sethoxydim and DPX-PE350." Weed Technology 7, no. 1 (1993): 196–201. http://dx.doi.org/10.1017/s0890037x0003712x.

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Weed control and cotton yield with a herbicide program of sethoxydim and DPX-PE350 applied postemergence over-the-top was compared with that of a standard herbicide program of trifluralin applied PPI plus fluometuron applied PRE plus methazole and MSMA applied postemergence-directed. Control of pitted and entireleaf morningglory, smooth pigweed, and prickly sida was similar with the postemergence over-the-top program and the standard herbicide program when DPX-PE350 was applied to cotton in the V2 or V4 growth stages. Less weed control and lower yield were observed when DPX-PE350 was applied t

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