Full TGIF Record # 300932
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Web URL(s):https://www.cropj.com/radke_12_6_2018_985_989.pdf
    Last checked: 09/24/2018
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Author(s):Klug Radke, Aline; Rocha Eberhardt, Paulo Eduardo; Bicca noguez Martins, Andrea; da Motta Xavier, Fernanda; Pinto Gonçalves, Vanessa; Revers Meneguzzo, Michele Renata; da Silva Pedroso, Carlos Eduardo; Amaral Villela, Francisco
Author Affiliation:Departamento de Fitotecnia, Programa de Pós-Graduação em Ciência e Tecnologia de Sementes, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, FAEM/UFPel, Pelotas, RS, Brasil
Title:Ryegrass (Lolium multiflorum Lam.) seed germination and vigor under saline stress
Source:Australian Journal of Crop Science. Vol. 12, No. 6, June 2018, p. 985-989.
# of Pages:5
Publishing Information:Australia: Southern Cross Publishing Group
Keywords:TIC Keywords: Lolium multiflorum; Salinity stress; Seed germination; Seedling vigor
Abstract/Contents:"Ryegrass (Lolium multiflorum Lam.) is forage with the potential to increase pasture area in Southern Brazil. It is an option for more profitable and intensive use of floodplain areas during the cold seasons of the year. However, irrigation of crops in these areas in the summer can result in the salinization of the soils that have inadequate drainage, preventing the removal of salt by leaching. The objective of this study was to evaluate the performance of ryegrass seeds using different concentrations of sodium chloride. Four commercial ryegrass cultivars of PGG Wrightson Seeds Brazil were used: Inia Bakarat, Inia Scorpio, Inia Camaro, and La Estanzuela 284. Saline substrates consisted of Germitest¬ģ paper wetted with sodium chloride solution at five osmotic potentials (0, -0.2, -0.4, - 0.6 and -0.8 MPa). The study was conducted at the 'Flavio Rocha' Didactic Seeds Analysis Laboratory and involved analysis of the following indicators of salt stress response: germination (%), first germination count (%), plantlet length (cm), and plantlet dry phytomass (mg/seedling). The results showed that saline stress conditions caused by reduced osmotic potential affected ryegrass seed germination and vigor, as well as decreased the stature of the aerial and root parts of the seedlings. Out of the cultivars evaluated, La Estanzuela 284 was the most tolerant to saline stress. It is possible to cultivate ryegrass in areas with salinity up to mean values of -0.2 MPa osmotic potential. In this study, no significant decrease in seedling performance was observed."
Geographic Terms:Southern Brazil
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Klug Radke, A., P. E. Rocha Eberhardt, A. Bicca noguez Martins, F. da Motta Xavier, V. Pinto Gonçalves, M. R. Revers Meneguzzo, et al. 2018. Ryegrass (Lolium multiflorum Lam.) seed germination and vigor under saline stress. Australian Journal of Crop Science. 12(6):p. 985-989.
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DOI: 10.21475/ajcs.18.12.06.PNE1087
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    Last checked: 09/24/2018
    Requires: PDF Reader
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