TOLERÂNCIA DO SABIÁ (Mimosa caesalpiniifolia Benth) À SALINIDADE DURANTE A GERMINAÇÃO E O DESENVOLVIMENTO DE PLÂNTULAS
2008
Maria Clarete Cardoso Ribeiro | Nézia Maria Sarmento Barros | Aurélio Paes Barros Júnior | Lindomar Maria da Silveira
The experiment was carried out at Plant Health Department of the Escola Superior de Agricultura de Mossoró, ESAM during the period of October to November of 2003, with the objective of evaluating the effect of different saline solution leveis on seed germination and development of seediings of song-thrush (Mimosa caesalpiniiflolia Benth.). A completely randomized experimental design was used with four treatments and four replicatíons of fifty seeds. The treatments consísted ofthree saline solutions (of 10, 20 and 30 dS/m) pius a control (0.614 dS/m). The seeds were incubated in sterilized sand into wood packing-case. The evaluated traits were emergency percentage, Índex of emergency speed, seediing height, number of leaves and seedlings fresh and dry mass. The increase of the leveis of solution salinity decreased the seediing height and Índex of emergency speed, besides of influencing on seed emergency percentage.
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