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David Noshad, Andrew Riseman, and Zamir Punja

's survival in cultivation is Daphne Sudden Death Syndrome (DSDS), a disease incited by the fungal root pathogen Thielaviopsis basicola (Berk. & Br.) Ferraris (syn. Chalara elegans Nag Raj et Kendrick) ( Noshad et al., 2006 ). This disease kills plants

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R.G. Linderman and E.A. Davis

Pythium irregulare, Thielaviopsis basicola , and Cylindrocladium scoparium introduced into soil-less potting media or soil. A secondary objective with the heat treatment was to confirm that pathogens could be eliminated in plastic containers without

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Kim D. Bowman

Bending was compared to cutting off for effectiveness in forcing growth of sweet orange and mandarin scions budded on `Carrizo' citrange, `Swingle' citrumelo, and 17 new hybrid citrumelo rootstocks. For both scion types, more than twice as many plants from the bending treatment than the cut treatment had growing scion buds at 12 weeks. This advantage of the bending treatment was similar for most scion/rootstock combinations except with sweet orange scion on `Carrizo', which produced outstanding bud growth from both forcing methods. Length of growing shoots at 12 weeks was >14 times longer from the bending than the cut treatment for both scions and with all rootstocks. Tree survival and yield of usable trees at 35 weeks old were also significantly better for the bending treatment than for the cut treatment. There was an overwhelming advantage to using the bending treatment instead of cutting off in forcing scion bud growth for propagating citrus trees on citrumelo rootstocks.

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Tomohiro Okada and Yoh-ichi Matsubara

the changes in amino acid constituents related to disease tolerance in mycorrhizal plants, Baltruschat and Schonbeck (1975) demonstrated that the propagation of Thielaviopsis basicola was inhibited by the increase of arginine and citrulline in

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Ramsey Sealy, Michael R. Evans, and Craig Rothrock

F. oxysporum were grown on reconstituted BBL cornmeal agar (Becton, Dickinson and Co., Sparks, Md.) in 15-cm-diameter petri plates in the dark at 20 to 22 °C for 7 d. Thielaviopsis basicola was cultivated on TB-CEN media ( Specht and Griffin, 1985

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Kelly D. Norris and William R. Graves

158 159 Noshad, D. Punja, Z. Riseman, A. 2007 Genotypic variation for resistance to Thielaviopsis basicola , the causal agent of Daphne Sudden Death Syndrome (DSDS), among Daphne taxa HortScience 42 1639 1643 O’Brien, E.K. Krauss, S.L. 2010 Testing

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Dustin P. Meador and Paul R. Fisher

Efficacy of chlorine in controlling five common plant pathogens HortScience 44 157 163 Copes, W.E. Chastaganer, G.A. Hummel, R.L. 2004 Activity of chlorine dioxide in a solution of ions and pH against Thielaviopsis basicola and Fusarium oxysporum Plant

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Kristen Hanson, Tilak Mahato, and Ursula K. Schuch

ultimum , and Thielaviopsis basicola required 29, 18, and 33 d to kill 90% of propagules at 37 °C, respectively ( Pullman et al., 1981 ). However, at 50 °C those times were reduced to 23, 33, and 68 min. Temperatures of 50 °C or greater dramatically

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Dustin P. Meador, Paul R. Fisher, Philip F. Harmon, Natalia A. Peres, Max Teplitski, and Charles L. Guy

37 593 606 Copes, W.E. Chastaganer, G.A. Hummel, R.L. 2004 Activity of chlorine dioxide in a solution of ions and pH against Thielaviopsis basicola and Fusarium oxysporum Plant Dis. 88 188 194 Feben, D. Taras, M.J. 1955 Chlorine demand constants J

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Dong Sub Kim, Steven Kim, and Steven A. Fennimore

and soilborne populations of Verticillium dahliae , Pythium spp., Rhizoctonia solani , and Thielaviopsis basicola Phytopathology 71 954 959 doi: 10.1094/phyto-71-954 R Core Team 2019 R: A language and environment for statistical computing. R