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1

Ferrell, Jason A., Brent A. Sellers, Gregory E. MacDonald, and Pratap Devkota. "Wild Radish: Biology and Control." EDIS 2020, no. 3 (October 29, 2020): 3. http://dx.doi.org/10.32473/edis-wg215-2020.

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Wild radish is one of the most common and problematic pasture weeds in the Florida Panhandle. It is found throughout the state and can be a serious pest in other crops including peanut, corn, and winter vegetables. This publication provides information concerning the biology and growth of wild radish, the problems associated with its presence in wheat and other small grains as well as cover crops, and methods for control and management.
 Previous version:
 Ferrell, J., and G. MacDonald. 2005. “Wild Radish--Biology and Control”. EDIS 2005 (11). https://journals.flvc.org/edis/article/v
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2

Eslami, Seyed V., Gurjeet S. Gill, Bill Bellotti, and Glenn McDonald. "Wild radish (Raphanus raphanistrum) interference in wheat." Weed Science 54, no. 4 (August 2006): 749–56. http://dx.doi.org/10.1614/ws-05-180r2.1.

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Wild radish is a major weed of field crops in southern Australia. The effects of various densities of wild radish and wheat on the growth and reproductive output of each other were investigated in field studies in 2003 and 2004. The experiments were established as a factorial combination of wheat (0, 100, 200, and 400 plants m−2) and wild radish (0, 15, 30, and 60 plants m−2) densities. The effect of wild radish density on wheat yield loss and wild radish seed production were described with a rectangular hyperbola model. The presence of wild radish in wheat reduced aboveground dry matter, leaf
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3

Simard, Marie-Josée, and Anne Légère. "Synchrony of flowering between canola and wild radish (Raphanus raphanistrum)." Weed Science 52, no. 6 (December 2004): 905–12. http://dx.doi.org/10.1614/ws-03-145r.

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Many conditions need to be satisfied for gene flow to occur between a transgenic crop and its weedy relatives. Flowering overlap is one essential requirement for hybrid formation. Hybridization can occur between canola and its wild relative, wild radish. We studied the effects of wild radish plant density and date of emergence, canola (glyphosate resistant) planting dates, presence of other weeds, and presence of a wheat crop on the synchrony of flowering between wild radish and canola (as a crop and volunteer). Four field experiments were conducted from 2000 to 2002 in St-David de Lévis, Québ
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4

Malik, Mayank S., Jason K. Norsworthy, A. Stanley Culpepper, Melissa B. Riley, and William Bridges. "Use of Wild Radish (Raphanus raphanistrum) and Rye Cover Crops for Weed Suppression in Sweet Corn." Weed Science 56, no. 4 (August 2008): 588–95. http://dx.doi.org/10.1614/ws-08-002.1.

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Field experiments were conducted near Blackville, SC, and Tifton, GA, in 2004 and 2005, to evaluate the effect of wild radish and rye cover crops on weed control and sweet corn yield when used in conjunction with lower-than-recommended herbicide rates. Cover crop treatments included wild radish, rye, and no cover crop, alone and in conjunction with half and full rates of atrazine (0.84 and 1.68 kg ai ha−1) plusS-metolachlor (0.44 and 0.87 kg ai ha−1) applied before sweet corn emergence. Florida pusley, large crabgrass, spreading dayflower, ivyleaf morningglory, and wild radish infested the tes
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5

Kavalappara, Saritha R., David G. Riley, Paulo S. G. Cremonez, Jermaine D. Perier, and Sudeep Bag. "Wild Radish (Raphanus raphanistrum L.) Is a Potential Reservoir Host of Cucurbit Chlorotic Yellows Virus." Viruses 14, no. 3 (March 13, 2022): 593. http://dx.doi.org/10.3390/v14030593.

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Cucurbit chlorotic yellows virus (CCYV) belongs to the genus Crinivirus and is part of a complex of whitefly-transmitted viruses that cause yellowing disease in cucurbits. In the southeastern USA, heavy incidences of CCYV have been observed on all cucurbits grown in the fall. CCYV was detected from wild radish (Raphanus raphanistrum L.), a common weed that grows in the southeastern USA by high-throughput sequencing as well as RT-PCR. CCYV sequence from wild radish was 99.90% and 99.95%, identical to RNA 1 and RNA 2 of cucurbit isolates of CCYV from the region. Transmission assays using whitefl
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6

Ban, Takuya, Nobuo Kobayashi, Hiroshi Hontani, Masayuki Kadowaki, and Shingo Matsumoto. "Domestication and Utilization of Japanese Wild Radish." Horticultural Research (Japan) 8, no. 4 (2009): 413–17. http://dx.doi.org/10.2503/hrj.8.413.

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7

Schroeder, Jill. "Wild Radish (Raphanus raphanistrum) Control in Soft Red Winter Wheat (Triticum aestivum)." Weed Science 37, no. 1 (January 1989): 112–16. http://dx.doi.org/10.1017/s0043174500055946.

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Field experiments were conducted at two locations in Georgia to evaluate wild radish control and soft red winter wheat tolerance of herbicides applied February 1 (one- to five-tiller stage) or March 1 (three- to seven-tiller stage). Bromoxynil controlled wild radish with no wheat grain or forage yield reductions in any experiment. Thiameturon controlled wild radish when applied at rates >0.02 kg/ha on March 1. Metribuzin, dimethylamine salt of 2,4-D, and dimethylamine salt of MCPA provided late-season control of wild radish. February 1 treatments of metribuzin reduced wheat stands at Plains
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8

Walsh, Michael J., Peter Newman, and Paul Chatfield. "Mesotrione: a new preemergence herbicide option for wild radish (Raphanus raphanistrum) control in wheat." Weed Technology 35, no. 6 (October 27, 2021): 924–31. http://dx.doi.org/10.1017/wet.2021.90.

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AbstractWild radish is the most problematic broadleaf weed in Australian grain production. The propensity of wild radish to evolve resistance to herbicides has led to high frequencies of multiple herbicide–resistant populations present in these grain production regions. The objective of this study was to evaluate the potential of mesotrione to selectively control wild radish in wheat. The initial dose response pot trials determined that at the highest mesotrione rate of 50 g ha−1 applied preemergence (PRE) was 30% more effective than when applied postemergence (POST) on wild radish. This same
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9

Code, GR, and TW Donaldson. "Effect of cultivation, sowing methods and herbicides on wild radish populations in wheat crops." Australian Journal of Experimental Agriculture 36, no. 4 (1996): 437. http://dx.doi.org/10.1071/ea9960437.

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The effect of different cultivation and sowing methods on wild radish (Raphanus raphanistrum L.) density in 4 successive wheat crops was measured in an experiment in north-eastern Victoria. The number of seasons taken for populations to decline below an estimated threshold for economic spraying of wild radish (5-10 plants/m2) was examined. Two herbicide applications in each crop in all but one treatment prevented or significantly reduced wild radish seed production during the experiment. Wheat sown after mouldboard ploughing (MBP) in the first season contained wild radish at 42 plants/m2, befo
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10

Weaver, S. E., and J. A. Ivany. "Economic thresholds for wild radish, wild oat, hemp-nettle and corn spurry in spring barley." Canadian Journal of Plant Science 78, no. 2 (April 1, 1998): 357–61. http://dx.doi.org/10.4141/p97-072.

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The yield response of spring barley (Hordeum vulgare L. 'Morrison') to a range of densities of wild radish (Raphanus raphanistrum L.), wild oat (Avena fatua L.), hemp-nettle (Galeopsis tetrahit L.), and corn spurry (Spergula arvensis L.) was investigated in field experiments on Prince Edward Island from 1991 through 1994. Barley yield was modelled as a function of both barley and weed density. In the absence of weed competition, barley seed yield, number of main shoots, number of heads, and thousand-kernel weight varied significantly during the 4 yr of the study. Increasing densities of wild r
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11

NORSWORTHY, JASON K. "Allelopathic Potential of Wild Radish (Raphanus raphanistrum)1." Weed Technology 17, no. 2 (April 2003): 307–13. http://dx.doi.org/10.1614/0890-037x(2003)017[0307:apowrr]2.0.co;2.

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12

DARMENCY, H., E. LEFOL, and A. FLEURY. "Spontaneous hybridizations between oilseed rape and wild radish." Molecular Ecology 7, no. 11 (November 1998): 1467–73. http://dx.doi.org/10.1046/j.1365-294x.1998.00464.x.

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13

Madhou, P., A. Wells, E. C. K. Pang, and T. W. Stevenson. "Genetic variation in populations of Western Australian wild radish." Australian Journal of Agricultural Research 56, no. 10 (2005): 1079. http://dx.doi.org/10.1071/ar04265.

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Raphanus raphanistrum L. (wild radish) is a major problematic weed worldwide. Random amplified polymorphic DNA (RAPD) was used to estimate the degree of genetic diversity between and within 2 populations of wild radish (WARR 5 and WARR 6), found to exhibit multiple herbicide resistance compared with a susceptible population (WARR 7). It is believed that weed species with high degrees of genetic variation show potential for developing resistance to herbicides. Of the 13 RAPD primers screened, 9 primers generated 97 polymorphic bands concomitant with a high level of polymorphism (82%) between th
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14

Letourneau, D. K., and J. A. Hagen. "Plant Fitness Assessment for Wild Relatives of Insect Resistant Bt-Crops." Journal of Botany 2012 (February 20, 2012): 1–12. http://dx.doi.org/10.1155/2012/389247.

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When field tests of transgenic plants are precluded by practical containment concerns, manipulative experiments can detect potential consequences of crop-wild gene flow. Using topical sprays of bacterial Bacillus thuringiensis larvicide (Bt) and larval additions, we measured fitness effects of reduced herbivory on Brassica rapa (wild mustard) and Raphanus sativus (wild radish). These species represent different life histories among the potential recipients of Bt transgenes from Bt cole crops in the US and Asia, for which rare spontaneous crosses are expected under high exposure. Protected wild
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15

Walsh, Michael J., and Stephen B. Powles. "Impact of crop-topping and swathing on the viable seed production of wild radish (Raphanus raphanistrum)." Crop and Pasture Science 60, no. 7 (2009): 667. http://dx.doi.org/10.1071/cp08286.

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Crop-topping, the practice of applying non-selective herbicides at crop maturity, has proved to be an effective management technique in preventing the input of seed into the seedbank for some annual weed species of southern Australian crop production systems. However, the efficacy of this practice on the dominant broad-leaf weed of these systems, wild radish, is not well understood. These studies investigated the effect of crop-topping and swathing on the viable seed production of wild radish. Crop-topping with either glyphosate or sprayseed (paraquat 135 g/L + diquat 115 g/L) can provide larg
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16

Grey, T. L., D. C. Bridges, P. L. Raymer, and J. W. Davis. "Imazethapyr Rate Responses for Wild Radish, Conventional Canola, and Imidazolinone-tolerant Canola." Plant Health Progress 7, no. 1 (January 2006): 8. http://dx.doi.org/10.1094/php-2006-1018-01-rs.

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Greenhouse experiments were conducted to determine dose responses to imazethapyr for imidazolinone-tolerant canola (Brassica napus) Pioneer 45A71, conventional canola Oscar, and wild radish (Raphanus raphanistrum). Two weeks after treatment, foliar injury was rated and plants were harvested to determine plant dry weight. Plant responses to herbicide treatments were analyzed by nonlinear regression procedures using a modified Mitscherlich plant growth model for visual injury and the negative exponential growth function for plant dry weight. Pioneer 45A71 was tolerant of all rates of imazethapyr
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17

Malik, Mayank S., Jason K. Norsworthy, Melissa B. Riley, and William Bridges. "Temperature and Light Requirements for Wild Radish (Raphanus raphanistrum) Germination over a 12-Month Period following Maturation." Weed Science 58, no. 2 (June 2010): 136–40. http://dx.doi.org/10.1614/ws-09-109.1.

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Knowledge of the germination requirements of wild radish will help in determining the favorable conditions for germination and emergence and allow better management of this weed. Experiments were conducted during 2005 to 2006 and 2006 to 2007 to evaluate wild radish temperature and light requirements over a 12-mo period beginning in July on seeds placed on the soil surface and at a 10-cm depth. Germination response was influenced by temperature, light, duration of burial, and burial depth. Freshly harvested seeds (July) had no more than 18% germination whereas seeds allowed to after-ripen in t
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18

Marshall, Diane L. "Non-Random Mating in a Wild Radish, Raphanus sativus." Plant Species Biology 5, no. 1 (June 1990): 143–56. http://dx.doi.org/10.1111/j.1442-1984.1990.tb00199.x.

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19

Malik, Mayank S., Melissa B. Riley, Jason K. Norsworthy, and William Bridges. "Variation of Glucosinolates in Wild Radish (Raphanus raphanistrum) Accessions." Journal of Agricultural and Food Chemistry 58, no. 22 (November 24, 2010): 11626–32. http://dx.doi.org/10.1021/jf102809b.

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20

Marshall, Diane L., and Norman C. Ellstrand. "Regulation of Mate Number in Fruits of Wild Radish." American Naturalist 133, no. 6 (June 1989): 751–65. http://dx.doi.org/10.1086/284951.

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21

Walsh, Michael J., Stephen B. Powles, Brett R. Beard, Ben T. Parkin, and Sally A. Porter. "Multiple-herbicide resistance across four modes of action in wild radish (Raphanus raphanistrum)." Weed Science 52, no. 1 (February 2004): 8–13. http://dx.doi.org/10.1614/ws-03-016r.

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Populations of wild radish were collected from two fields in the northern Western Australian wheatbelt, where typical herbicide-use patterns had been practiced for the previous 17 seasons within an intensive crop production program. The herbicide resistance status of these populations clearly established that there was multiple-herbicide resistance across many herbicides from at least four modes of action. One population exhibited multiple-herbicide resistance to the phytoene desaturase (PDS)–inhibiting herbicide diflufenican (3.0-fold), the auxin analog herbicide 2,4-D (2.2-fold), and the pho
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22

Goggin, Danica E., Scott Bringans, Jason Ito, and Stephen B. Powles. "Plasma membrane receptor-like kinases and transporters are associated with 2,4-D resistance in wild radish." Annals of Botany 125, no. 5 (October 24, 2019): 821–32. http://dx.doi.org/10.1093/aob/mcz173.

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Abstract Background and Aims Resistance to the synthetic auxin 2,4-dichlorophenoxyacetic acid (2,4-D) in wild radish (Raphanus raphanistrum) appears to be due to a complex, multifaceted mechanism possibly involving enhanced constitutive plant defence and alterations in auxin signalling. Based on a previous gene expression analysis highlighting the plasma membrane as being important for 2,4-D resistance, this study aimed to identify the components of the leaf plasma membrane proteome that contribute to resistance. Methods Isobaric tagging of peptides was used to compare the plasma membrane prot
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23

Norsworthy, Jason K., Mayank S. Malik, Melissa B. Riley, and William Bridges. "Time of Emergence Affects Survival and Development of Wild Radish (Raphanus raphanistrum) in South Carolina." Weed Science 58, no. 4 (December 2010): 402–7. http://dx.doi.org/10.1614/ws-d-10-00034.1.

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Field experiments were conducted from 2004 through 2006 at Pendleton and Clemson, SC, to determine the influence of seasonal emergence of wild radish on phenological development, survival, and seed and biomass production in a noncompetitive environment. The duration of four developmental phases, emergence to bolting, bolting to flowering, flowering to silique production, and silique production to maturity, were recorded following wild radish sowing at monthly intervals from October 2004 through September 2006. Seedling emergence occurred 2 to 4 wk after sowing. Mortality of seedlings that emer
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24

Karron, Jeffrey D., and Diane L. Marshall. "Fitness Consequences of Multiple Paternity in Wild Radish, Raphanus sativus." Evolution 44, no. 2 (March 1990): 260. http://dx.doi.org/10.2307/2409405.

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25

Marshall, Diane L., Michael W. Folsom, Colleen Hatfield, and Toby Bennett. "Does Interference Competition Among Pollen Grains Occur in Wild Radish." Evolution 50, no. 5 (October 1996): 1842. http://dx.doi.org/10.2307/2410741.

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26

Blackshaw, Robert E., Deirdre Lemerle, Rodney Mailer, and Ken R. Young. "Influence of wild radish on yield and quality of canola." Weed Science 50, no. 3 (May 2002): 344–49. http://dx.doi.org/10.1614/0043-1745(2002)050[0344:iowroy]2.0.co;2.

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27

Charbonneau, Amanda, David Tack, Allison Lale, Josh Goldston, Mackenzie Caple, Emma Conner, Oz Barazani, Jotham Ziffer-Berger, Ian Dworkin, and Jeffrey K. Conner. "Weed evolution: Genetic differentiation among wild, weedy, and crop radish." Evolutionary Applications 11, no. 10 (September 29, 2018): 1964–74. http://dx.doi.org/10.1111/eva.12699.

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28

McCutcheon, Gloria S., Alvin M. Simmons, and Jason K. Norsworthy. "Effect of Wild Radish on Preimaginal Development ofDiabrotica balteataandAgrotis ipsilon." Journal of Sustainable Agriculture 33, no. 2 (February 5, 2009): 119–27. http://dx.doi.org/10.1080/10440040802394950.

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29

Marshall, Diane L., and Norman C. Ellstrand. "Proximal Causes of Multiple Paternity in Wild Radish, Raphanus sativus." American Naturalist 126, no. 5 (November 1985): 596–605. http://dx.doi.org/10.1086/284441.

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30

Ellstrand, Norman C., and Diane L. Marshall. "Interpopulation Gene Flow by Pollen in Wild Radish, Raphanus sativus." American Naturalist 126, no. 5 (November 1985): 606–16. http://dx.doi.org/10.1086/284442.

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31

Devlin, B., and Norman C. Ellstrand. "Male and Female Fertility Variation in Wild Radish, a Hermaphrodite." American Naturalist 136, no. 1 (July 1990): 87–107. http://dx.doi.org/10.1086/285083.

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32

Goggin, Danica E., Hugh J. Beckie, Chad Sayer, and Stephen B. Powles. "No auxinic herbicide–resistance cost in wild radish (Raphanus raphanistrum)." Weed Science 67, no. 05 (August 14, 2019): 539–45. http://dx.doi.org/10.1017/wsc.2019.40.

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AbstractWild radish (Raphanus raphanistrum L.) is a problematic and economically damaging dicotyledonous weed infesting crops in many regions of the world. Resistance to the auxinic herbicides 2,4-D and dicamba is widespread in Western Australian R. raphanistrum populations, with the resistance mechanism appearing to involve alterations in the physiological response to synthetic auxins and in plant defense. This study aimed to determine whether these alterations cause inhibition in plant growth or reproduction that could potentially be exploited to manage 2,4-D–resistant populations in croppin
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33

Yamane, Kyoko, Na Lü, and Ohmi Ohnishi. "Chloroplast DNA variations of cultivated radish and its wild relatives." Plant Science 168, no. 3 (March 2005): 627–34. http://dx.doi.org/10.1016/j.plantsci.2004.09.022.

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34

Karron, Jeffrey D., and Diane L. Marshall. "FITNESS CONSEQUENCES OF MULTIPLE PATERNITY IN WILD RADISH, RAPHANUS SATIVUS." Evolution 44, no. 2 (March 1990): 260–68. http://dx.doi.org/10.1111/j.1558-5646.1990.tb05196.x.

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35

Marshall, Diane L., Michael W. Folsom Colleen Hatfield, and Toby Bennett. "DOES INTERFERENCE COMPETITION AMONG POLLEN GRAINS OCCUR IN WILD RADISH?" Evolution 50, no. 5 (October 1996): 1842–48. http://dx.doi.org/10.1111/j.1558-5646.1996.tb03570.x.

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36

Walsh, Michael J., and Stephen B. Powles. "High Seed Retention at Maturity of Annual Weeds Infesting Crop Fields Highlights the Potential for Harvest Weed Seed Control." Weed Technology 28, no. 3 (September 2014): 486–93. http://dx.doi.org/10.1614/wt-d-13-00183.1.

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Seed production of annual weeds persisting through cropping phases replenishes/establishes viable seed banks from which these weeds will continue to interfere with crop production. Harvest weed seed control (HWSC) systems are now viewed as an effective means of interrupting this process by targeting mature weed seed, preventing seed bank inputs. However, the efficacy of these systems is directly related to the proportion of total seed production that the targeted weed species retains (seed retention) at crop maturity. This study determined the seed retention of the four dominant annual weeds o
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37

Li, Xiaoman, Jinglei Wang, Yang Qiu, Haiping Wang, Peng Wang, Xiaohui Zhang, Caihua Li, et al. "SSR-Sequencing Reveals the Inter- and Intraspecific Genetic Variation and Phylogenetic Relationships among an Extensive Collection of Radish (Raphanus) Germplasm Resources." Biology 10, no. 12 (November 30, 2021): 1250. http://dx.doi.org/10.3390/biology10121250.

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Raphanus has undergone a lengthy evolutionary process and has rich diversity. However, the inter- and intraspecific phylogenetic relationships and genetic diversity of this genus are not well understood. Through SSR-sequencing and multi-analysis of 939 wild, semi-wild and cultivated accessions, we discovered that the European wild radish (EWR) population is separated from cultivated radishes and has a higher genetic diversity. Frequent intraspecific genetic exchanges occurred in the whole cultivated radish (WCR) population; there was considerable genetic differentiation within the European cul
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38

Sun, Ci, Michael B. Ashworth, Ken Flower, Martin M. Vila-Aiub, Roberto Lujan Rocha, and Hugh J. Beckie. "The adaptive value of flowering time in wild radish (Raphanus raphanistrum)." Weed Science 69, no. 2 (January 26, 2021): 203–9. http://dx.doi.org/10.1017/wsc.2021.5.

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AbstractHarvest weed seed control (HWSC) is a weed management technique that intercepts and destroys weed seeds before they replenish the soil weed seedbank and can be used to control herbicide-resistant weeds in global cropping systems. Wild radish (Raphanus raphanistrum L.) is a problematic, globally distributed weed species that is considered highly susceptible to HWSC, as it retains much of its seed on the plant during grain harvest. However, previous studies have demonstrated that R. raphanistrum is capable of adapting its life cycle, in particular its flowering time, to allow individuals
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39

Fontana, Lisiane Camponogara, Carlos Eduardo Schaedler, André Da Rosa Ulguim, Dirceu Agostinetto, and Cláudia De Oliveira. "Barley competitive ability in coexistence with black oat or wild radish." Científica 43, no. 1 (February 20, 2015): 22. http://dx.doi.org/10.15361/1984-5529.2015v43n1p22-29.

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40

Stanton, Maureen, and Helen J. Young. "Selecting for floral character associations in wild radish, Raphanus sativus L." Journal of Evolutionary Biology 7, no. 3 (May 1994): 271–85. http://dx.doi.org/10.1046/j.1420-9101.1994.7030271.x.

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41

Malik, Mayank S., Melissa B. Riley, Jason K. Norsworthy, and William Bridges. "Glucosinolate Profile Variation of Growth Stages of Wild Radish (Raphanus raphanistrum)." Journal of Agricultural and Food Chemistry 58, no. 6 (March 24, 2010): 3309–15. http://dx.doi.org/10.1021/jf100258c.

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42

Conner, J. K., D. Tjhio, S. H. Berlocher, and S. L. Rush. "Inheritance and Linkage Relationships of Nine Isozyme Loci in Wild Radish." Journal of Heredity 88, no. 1 (January 1, 1997): 60–62. http://dx.doi.org/10.1093/oxfordjournals.jhered.a023058.

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43

Young, H. J., and M. L. Stanton. "Influence of Environmental Quality on Pollen Competitive Ability in Wild Radish." Science 248, no. 4963 (June 29, 1990): 1631–33. http://dx.doi.org/10.1126/science.248.4963.1631.

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44

Karron, J. D., D. L. Marshall, and D. M. Oliveras. "Numbers of sporophytic self-incompatibility alleles in populations of wild radish." Theoretical and Applied Genetics 79, no. 4 (April 1990): 457–60. http://dx.doi.org/10.1007/bf00226152.

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45

Coutts, B. A., and R. A. C. Jones. "Viruses infecting canola (Bassica napus) in south-west Australia: incidence, distribution, spread, and infection reservoir in wild radish (Raphanus raphinistrum)." Australian Journal of Agricultural Research 51, no. 7 (2000): 925. http://dx.doi.org/10.1071/ar00014.

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Over 2 growing seasons, the incidences of infection with beet western yellows (BWYV), cauliflower mosaic (CaMV), and turnip mosaic (TuMV) viruses were determined in canola (Brassica napus) crops growing in the agricultural area of south-west Australia. Tissue blot immunoassay was used to detect BWYV and enzyme-linked immunosorbent assay to detect CaMV and TuMV. In 1998, BWYV was detected in 59% of 159 crops surveyed, whereas in 1999 it was found in 66% of 56 crops. Incidences within individual infected crops were 1–65% (1998) and 1–61% (1999). Infection occurred widely in high and medium rainf
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46

Walsh, Michael J., Karrie Stratford, Kent Stone, and Stephen B. Powles. "Synergistic Effects of Atrazine and Mesotrione on Susceptible and Resistant Wild Radish (Raphanus raphanistrum) Populations and the Potential for Overcoming Resistance to Triazine Herbicides." Weed Technology 26, no. 2 (June 2012): 341–47. http://dx.doi.org/10.1614/wt-d-11-00132.1.

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The synergistic interaction between mesotrione, a hydroxyphenylpyruvate dioxygenase (HPPD)-inhibiting herbicide, and atrazine, a photosystem II (PS II)-inhibiting herbicide, has been identified in the control of several weed species. A series of dose–response studies examined the synergistic effect of these herbicides on a susceptible (S) wild radish population. The potential for this interaction to overcome target-sitepsbA gene-based atrazine resistance in a resistant (R) wild radish population was also investigated. Control of S wild radish with atrazine was enhanced by up to 40% when low ra
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Menezes Jr., Ayres Oliveira, Adriana Yatie Mikami, André Keiiti Ide, and Maurício Ursi Ventura. "Feeding preferences of Microtheca punctigera (Achard) (Coleoptera: Chrysomelidae) for some Brassicaceae plants in multiple-choice assays." Scientia Agricola 62, no. 1 (January 2005): 72–75. http://dx.doi.org/10.1590/s0103-90162005000100014.

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Host plant feeding preference is important basic information for the development of insect management strategies. Multiple-choice feeding preference assays were conducted in the laboratory for the chrysomelid beetle, Microtheca punctigera (Achard). Feeding was assessed 72 h after onset of experiments. With one larva per Petri dish, food items comprised watercress, Nasturtium officinale L., arugula, Eruca sativa L., mustard, Brassica juncea Cosson, Chinese cabbage, B. pekinensis (Lour.) Rupr. and wild radish (Raphanus raphanistrum L.). Feeding ranking preferences were Chinese cabbage, mustard,
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48

O'Sullivan, Cathryn A., Kelley Whisson, Karen Treble, Margaret M. Roper, Shayne F. Micin, and Philip R. Ward. "Biological nitrification inhibition by weeds: wild radish, brome grass, wild oats and annual ryegrass decrease nitrification rates in their rhizospheres." Crop and Pasture Science 68, no. 8 (2017): 798. http://dx.doi.org/10.1071/cp17243.

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This study investigated the ability of several plant species commonly occurring as weeds in Australian cropping systems to produce root exudates that inhibit nitrification via biological nitrification inhibition (BNI). Seedlings of wild radish (Raphanus raphanistrum), great brome grass (Bromus diandrus), wild oats (Avena fatua), annual ryegrass (Lolium rigidum) and Brachiaria humidicola (BNI-positive control) were grown in hydroponics, and the impact of their root exudates on NO3– production by Nitrosomonas europaea was measured in a pure-culture assay. A pot study (soil-based assay) was then
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Panetta, FD, DJ Gilbey, and MF D'Antuono. "Survival and fecundity of wild radish (Raphanus raphanistrum L.) plants in relation to cropping, time of emergence and chemical control." Australian Journal of Agricultural Research 39, no. 3 (1988): 385. http://dx.doi.org/10.1071/ar9880385.

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During consecutive seasons, wild radish (Raphanus raphanistrum L.) seedling emergence decreased exponentially with increasing time after the emergence of lupin crops. Initial survival of seedlings was markedly reduced by pre-emergence applications of simazine at 0.75 kg a.i. ha-1. In the absence of herbicide, however, the presence of a lupin crop did not have a negative effect upon early survival. Probabilities of reproduction of wild radish plants decreased with later emergence within treatments; no plants which emerged later than 21 days after crop emergence produced seeds. Seed production b
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50

Friesen, L. J. Shane, and Stephen B. Powles. "Physiological and Molecular Characterization of Atrazine Resistance in a Wild Radish (Raphanus raphanistrum) Population." Weed Technology 21, no. 4 (December 2007): 910–14. http://dx.doi.org/10.1614/wt-07-008.1.

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This study documents the physiology and genetics of evolved atrazine resistance in a wild radish population from Western Australia. Plant response to atrazine treatment confirmed a high level of resistance in population WARR5. At 0.25 kg atrazine/ha, all plants from a susceptible population were killed, whereas resistant WARR5 was unaffected at the highest dose tested (4 kg atrazine/ha). Leaf photosynthesis in susceptible plants was inhibited after 1 kg atrazine/ha treatment, whereas leaf photosynthesis in WARR5 plants was unaffected. Furthermore, atrazine resistance was maternally inherited.
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