Year season on epicuticular waxes in leaves of Echinodorus grandiflorus (Cham. & Schltdl.) Micheli (Alismataceae)

The paper aimed to study the influence of different seasons of the year on epicuticular waxes in Echinodorus grandiflorus plants and to analyze the profile of nalkanes in epicuticular waxes. The experiment used adventitious plantlets from the flower stem and approximately 10-cm-tall adventitious plantlets with an average of 4 to 5 leaves, planted in 10-liter pots containing a 40% soil, 40% rice hulls, and 20% vermicompost mixture. E. grandiflorus presented an intermediary profile between terrestrial and aquatic plants, with a main homologue C27 (heptacosane), followed by C25 (pentacosane) and C29 (nonacosane). The studies presented here provide information about ecological aspects and chemical and mechanical defenses of Echinodorus grandiflorus.

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