Full TGIF Record # 253262
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Web URL(s):http://www.cropj.com/marchi_8_11_2014_1481_1486.pdf
    Last checked: 01/20/2015
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Publication Type:
i
Refereed
Author(s):Roberto de Marchi, Sidnei; Martins, Dagoberto; Vilanova da Costa, Neum√°rcio
Author Affiliation:Roberto de Marchi: Universidade Federal de Mato, UFMT, Avenida Governador Jaime Campos, Barra do Gar√ßas, MT; Martins: Faculdade de Ci√™ncias Agron√īmicas, FCA/UNESP, Dep. de Produ√ß√£o Vegetal-Agricultura, Fazenda Experimental Lageado, SP; Vilanova da Costa: Centro de Ci√™ncias Agr√°rias, Universidade Estadual do Oeste do Paran√°, Marechal C√Ęndido Rondon, PR, Brazil
Title:Tifton 419' bermudagrass (Cynodon dactylon √ó C. transvaaliensis) response to plant grow inhibitors
Source:Australian Journal of Crop Science. Vol. 8, No. 11, November 2014, p. 1481-1486.
# of Pages:6
Publishing Information:Australia: Southern Cross Publishing Group
Keywords:TIC Keywords: Application rates; Application timing; Bispyribac-sodium; Cynodon dactylon; Cynodon dactylon x Cynodon transvaalensis; Growth regulator evaluation; Mowing frequency; Plant growth regulators; Prohexadione-calcium; Seasonal variation; Trinexapac-ethyl
Cultivar Names:Tifway
Abstract/Contents:"'Tifton 419' bermudagrass cultivar [Cynodon dactylon (L.) Pers. VD#X C. transvaalensis Burtt-Davy] is the most preferred turfgrass for sportive, commercial and residential lawns. On similar species, such as Stenotaphrum secundatum and Zoysia japonica, gibberellic acid-inhibiting plant growth regulators (PGRs) are used to decrease mowing frequency. A very limited research has been reported yet on the PGRs regarding seasonal effects of single vs. multiple applications of these products on turfgrass quality and clipping production on South America. This study aimed to evaluate the effect of sequential applications of different plant growth inhibitors during re-growth and flower rachis emission of 'Tifton 419' Bermudagrass. The treatment pattern includes an initial application followed by one sequential application at 14 days intervals, according to the following: prohexadione-calcium at 100+100 or 200+200 g a.i. ha-1, bispyribac-sodium at 40+40 or 60+60 g a.i. ha-1, trinexapac-ethyl at 113+113, 226+113, 226+226, 452+113, 452+226, 452+452, 678+0 or 904+0 g a.i. ha-1, and untreated control. The treatment effect was evaluated based on measurements of visual injury, height of plants, height and number of flower rachis, and clipping total dry mass production. The results showed that only bispyribac-sodium provided visual injury on 'Tifton 419' Bermudagrass, but the symptoms quickly tend towards zero at 21 days after second application (DASA). 'Tifton 419' Bermudagrass greens could be better handle by sequential application of trinexapacethyl, or prohexadione-calcium or bispyribac-sodium, once the height of plants, seedhead emission and total clipping dry mass reduction were over than 37%, 91% and 88%, respectively, for a period up to 60 DASA."
Language:English
References:33
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Roberto de Marchi, S., D. Martins, and N. Vilanova da Costa. 2014. Tifton 419' bermudagrass (Cynodon dactylon √ó C. transvaaliensis) response to plant grow inhibitors. Australian Journal of Crop Science. 8(11):p. 1481-1486.
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    Last checked: 01/20/2015
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