NDLI: Tolerância De Genótipos De Sorgo Granífero Ao Estresse Salino Durante a Germinação E Crescimento Das Plântulas

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Tolerância De Genótipos De Sorgo Granífero Ao Estresse Salino Durante a Germinação E Crescimento Das Plântulas

Content Provider	Semantic Scholar
Author	Silva, M. L. S. Pinheiro, Charles Lobo Araújo, Hellen Thayse Nascimento Brito, Selma Freire De Filho, Sebastião Medeiros
Copyright Year	2017
Abstract	The evaluation of the tolerance of new sorghum sorghum genotypes to salinity by analyzing the damage of this stress to germination and seedling growth was carried out by sowing the genotypes BRS 330 (commercial cultivar), 201423 (G23) and 201420 ( G20), on Germitest® paper substrate, moistened with different concentrations of NaCl [0 (control); 4.0; 8.0; 12.0; 16.0; 20.0; And 24.0 dS m]. Evaluating the effect of stress on the final percentage and germination speed index, biometric growth of root growth (CR) and aerial part (CPA) and 1 Doutorando(a) em Agronomia/Fitotecnia, UFC, Fortaleza-Ceará. 2 Mestranda em Agronomia/Fitotecnia, UFC, Fortaleza-Ceará. 3 Doutora em Ecologia, UFC, Fortaleza-Ceará. 4 Prof. Doutor, Depto de Fitotecnia, UFC, Fortaleza-Ceará. 5 Doutoranda em Agronomia/Fitotecnia, UFC, CEP: 60455-760, Fortaleza, Ceará. Fone: (85) 987525717. Email: ibe_lilians16@hotmail.com C. L. Pinheiro et al. seedling vigor index (IVP). The genotypes BRS 330 and G23 showed higher percentage and germination speed at salinity levels 20 and 24 dS m. In addition, saline concentrations resulted in a linear reduction in shoot growth of all genotypes. However, in relation to the effect on CR, the reduction occurred more significantly at concentrations higher than 8 dS m. The IVP of the G20 genotype was most affected by concentrations greater than 20 dS m. G20 exhibits lower salinity tolerance than BRS 330 and G23 genotypes.
File Format	PDF HTM / HTML
DOI	10.7127/iv-inovagri-meeting-2017-res4920976
Alternate Webpage(s)	http://www.inovagri.org/anais/TC4920976.pdf
Alternate Webpage(s)	https://doi.org/10.7127/iv-inovagri-meeting-2017-res4920976
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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