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The objective of this study was to evaluate the effect of different water contents achieved by Annona emarginata (Schltdl.) H. Rainer seeds during immersion in GA3 solutions, in variation of soluble sugars levels and germination. Seeds with 10% of initial water content were submitted to imbibition in GA3 solutions with concentrations of 0; 250; 500; 750 and 1000 mg L-1 and when they reached the water content of 15%, 20%, 25%, 30% and 35%, the quantification of soluble sugars levels and germination test were performed. Seeds immersed up to they reach 15% of water with GA3 and immersed up to the water acquisition of 20% without GA3, presented higher soluble sugars levels and germination percentage, which were decreased when the seeds reached 30% and 35% of water, independently of the presence of the plant growth regulator. It was conclude that different water contents reached by the seeds in immersion treatments with GA3 affect the soluble sugars levels and germination percentage of Annona emarginata seeds. Thus, in treatments with Annona emarginata, the seeds must remain immersed in water without GA3 up to they reach 20% of water, as higher water contents (35%) reduce the soluble sugars levels and the seed germination percentage.O objetivo deste trabalho foi avaliar o efeito de diferentes teores de água atingidos pelas sementes de Annona emarginata (Schltdl.) H. Rainer durante a imersão em soluções de GA3, na variação dos teores de açúcares solúveis e na germinação. Sementes com teor de água inicial de 10% foram colocadas para embeber em soluções com as concentrações de 0; 250; 500; 750 e 1.000 mg L-1 de GA3, e ao atingirem os teores de 15%, 20%, 25%, 30% e 35% de água, procedeu-se à quantificação dos teores de açúcares solúveis e ao teste de germinação. As sementes imersas até atingirem 15% de água com a adição de GA3 e imersas até a aquisição de 20% de água sem a adição de GA3 apresentaram maiores teores de açúcares solúveis e porcentagens de germinação, os quais foram reduzidos à medida que as sementes atingiram 30% e 35% de água, independentemente do uso do regulador vegetal. Conclui-se que os diferentes teores de água alcançados pelas sementes nos tratamentos de imersão afetam os teores de açúcares solúveis e a germinação de sementes de Annona emarginata. Assim, em tratamentos com Annona emarginata, as sementes devem permancer imersas na água sem a adição de GA3 até a aquisição de 20% de água, uma vez que elevados teores de água (35%) reduzem os teores de açúcares solúveis totais e a porcentagem de germinação das sementes

Soluble sugars and germination of Annona emarginata (Schltdl.) H. Rainer seeds submitted to immersion in GA3 up to different water contents