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Original Articles

Étude ultrastructurale de la microgamétogenèse chez l'Impatiens balsamina L.: de la diade à la tétrade

Pages 19-22 | Published online: 08 Feb 2017
 

Résumé

La seconde division de la méiose qui transforme la diade en tétrade est accompagnée d'importants remaniements cytoplasmiques. La formation de la paroi sporale coïncide avec la disparition des réserves amylacées.

Summary

There are important cytoplasmic alterations during the second meiotic division which transforms diad in tetrad: repartition and density of cytoplasmic inclusions. Sporal wall formation coincides with disappearence of starchy reserves.

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