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Castor bean (Ricinus Communis L.): Morphological Genetic Diversity - Tapa blanda

Sakure, Amar; Dhaduk, H.; Mehta, D.

 
9783848428410: Castor bean (Ricinus Communis L.): Morphological Genetic Diversity
Tapa blanda
ISBN 10: 3848428415 ISBN 13: 9783848428410
Editorial: LAP LAMBERT Academic Publishing, 2012

Sinopsis

Castor (Ricinus communis L.) belongs to the family Euphorbiaceae. It has chromosome number 2n = 20. Castor is indigenous to Eastern Africa and most probably originated in Ethiopia. Castor is a highly polymorphic species; normally monoecious with pistillate flowers are situated on the upper part and staminate flowers on the lower part of raceme. Production of female and male flowers is highly influenced by environmental conditions. Though it is a cross-pollinated crop, most of the cultivars have been developed through hybridization followed by selection. The monoecious nature of plant and availability of pistillate lines has facilitated the exploitation of heterosis on a commercial scale. Many of the morphological differences might be due to genic differences, cryptic inversions, duplications, etc., rather than to changes in the whole chromosome complement. Morphological markers can be an effective means to determine genetic relatedness among cultivars and among selections used in castor breeding programs. Many morphological markers exist among castor genotypes. Most of these characteristics are qualitative traits affected by a single or a few gene mutations.

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Reseña del editor

Castor (Ricinus communis L.) belongs to the family Euphorbiaceae. It has chromosome number 2n = 20. Castor is indigenous to Eastern Africa and most probably originated in Ethiopia. Castor is a highly polymorphic species; normally monoecious with pistillate flowers are situated on the upper part and staminate flowers on the lower part of raceme. Production of female and male flowers is highly influenced by environmental conditions. Though it is a cross-pollinated crop, most of the cultivars have been developed through hybridization followed by selection. The monoecious nature of plant and availability of pistillate lines has facilitated the exploitation of heterosis on a commercial scale. Many of the morphological differences might be due to genic differences, cryptic inversions, duplications, etc., rather than to changes in the whole chromosome complement. Morphological markers can be an effective means to determine genetic relatedness among cultivars and among selections used in castor breeding programs. Many morphological markers exist among castor genotypes. Most of these characteristics are qualitative traits affected by a single or a few gene mutations.

Biografía del autor

Mr. Amar Sakure at present doing his Ph.D. in Plant Molecular Biology and Biotechnology. He has done his M.Sc. degree in Plant Biotech and awarded as Chancellor Gold Medal for the highest GPA in Agriculture faculty.

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Editorial
LAP LAMBERT Academic Publishing
Año de publicación
2012
Idioma
Inglés
ISBN 10 
3848428415
ISBN 13 
9783848428410
Encuadernación
Tapa blanda
Número de páginas
52
Contacto del fabricante
no disponible
Persona responsable
no disponible