Gibbert, Patricia  Bortolini, Michele Fernanda  Kaiser, Daiana Karoline  Muller, Evelin Maria  Gusatto, Francine  <br/><br/>
Seed Quality Evaluation of Senegalia polyphylla (DC.) Britton & Rose 

<br/><br/> Publicação on-line; 28 ref.; 5 tables; 1 illus.; Summary (En) 
<br/><br/> <br/><br/>ABSTRACT<br/><br/>The aim of this study was to evaluate the quality of Senegalia polyphylla seeds from different<br/>trees by X-ray (XR) and electric conductivity (EC) tests. Seeds from three different trees were<br/>used. The seeds were classified through radiography in: full, malformed, with small damage<br/>and empty, and were used in the germination test. For the EC test, the best volume of water<br/>(50 and 75 mL) was initially tested at 25 °C, and subsequently, the different soaking times<br/>(12, 24, 48, 72, 96 and 120 hours) using the best volume of water. Concomitantly, the germination<br/>test was performed. Tree I presented a higher percentage of full seeds in XR, higher percentage of<br/>germination and fewer leachates in the EC; tree III, however, was the opposite. The tests showed<br/>to be efficient for the quality evaluation of Senegalia polyphylla seeds, differentiating the trees.<br/><br/>Keywords: x-ray, electrical conductivity, forest seeds. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNHA DE GATO<br/>SEMENTE FLORESTAL<br/>RAIO X<br/>CONDUTIVIDADE ELÉTRICA