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Anatomical Studies of Two Jatropha Species with Importance for Biodiesel Production

handle: 11568/827962
Anatomical Studies of Two Jatropha Species with Importance for Biodiesel Production
<p><em>Jatropha curcas </em>L. and <em>Jatropha macrocarpa </em>Griseb. (Euphorbiaceae) are perennial species adapted to marginal conditions not suitable for agriculture, and have been recently exploited for oil and biodiesel production<strong>. </strong>The anatomy of different organs in members of this family exhibits a wide range of variations. However, knowledge of anatomical features is still incomplete. The aim of the present work was to analyze the anatomical structure of stem, leaf and root of <em>J. curcas </em>and <em>J. macrocarpa </em>seedling cultivated in a greenhouse. Fixed samples were properly treated using triple stain hematoxylin, safranin and fast green. Primary roots were diarch and triarch in <em>J. curcas</em>, whereas in <em>J. macrocarpa </em>were diarch and the cortex showed parenchyma cells, larger in <em>J. macrocarpa</em> than <em>J. curcas</em>. Stem cortex was thicker in <em>J. macrocarpa</em> than in <em>J. curcas</em>.<em> </em>Both species had parenchyma cells with cystolith, chloroplasts, laticifers and starch granules, these being more abundant in <em>J. macrocarpa</em>. Leaves were characterized by dorsoventral anatomy, with the epiderm showing amphistomatic condition with high stomata density at the lower surface. Both <em>Jatropha </em>species had paracytic stomata. Druses and non-articulated branched laticifers were recorded in the mesophyll. Some of the different anatomical features of <em>J. curcas </em>and <em>J. macrocarpa</em> could explain the different tolerance to abiotic stress.</p>
- National University of San Luis Argentina
- National University of Río Cuarto Argentina
- University of Pisa Italy
- National University of Río Cuarto Argentina
- National University of San Luis Argentina
Technical Aspects of Biodiesel Production, Seedling, Biomedical Engineering, Jatropha, Plant Science, Horticulture, FOS: Medical engineering, Biochemistry, Catalysis, Cyanogenic Glycosides in Plants and Industrial Wastewaters, Agricultural and Biological Sciences, Engineering, Jatropha curcas, Biology, Ecology, Evolution, Behavior and Systematics, Plant Diversity, Euphorbiaceae, Botany, Life Sciences, Evolution and Classification of Flowering Plants, Biodiesel production, Chemistry, Physical Sciences, Parenchyma, Biodiesel
Technical Aspects of Biodiesel Production, Seedling, Biomedical Engineering, Jatropha, Plant Science, Horticulture, FOS: Medical engineering, Biochemistry, Catalysis, Cyanogenic Glycosides in Plants and Industrial Wastewaters, Agricultural and Biological Sciences, Engineering, Jatropha curcas, Biology, Ecology, Evolution, Behavior and Systematics, Plant Diversity, Euphorbiaceae, Botany, Life Sciences, Evolution and Classification of Flowering Plants, Biodiesel production, Chemistry, Physical Sciences, Parenchyma, Biodiesel
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