About Bioline  All Journals  Testimonials  Membership  News  Donations

African Crop Science Journal
African Crop Science Society
ISSN: 1021-9730
EISSN: 2072-6589
Vol. 3, No. 2, 1995, pp. 161-170
Bioline Code: cs95022
Full paper language: English
Document type: Research Article
Document available free of charge

African Crop Science Journal, Vol. 3, No. 2, 1995, pp. 161-170

 en Biotechnology for Sorghum Improvement
Bennetzen, J.L.


Modern molecular technologies will promote tremendous change in nature and efficiency of agricultural production. DNA markers can be used to enhance breeding programmes now, and genetic engineering will play an ever-more-important role. Different crops, and a single crop in different environments, will vary in the nature and degree to which these technologies can or should be utilized. Sorghum's strengths, particularly its high level of productivity under adverse conditions, make it a very important target for continued improvement. Molecular techniques will allow exceptional advances in the productivity of a crop species, in proportion to the effort applied to that species. Hence, sorghum will face more direct competition with other crops (e.g. maize and rice) than was previously possible. In order to continue its major contribution to world agriculture, sorghum must utilize its relative strengths and acquire new capacities. Fortunately, many of the tools developed in other grass species can be directly applied to sorghum improvement, partly due to the high degree of conservation in grass gene content and map colinearity. Appropriate applications of biotechnology will often be very different for different sorghum growers and users. However, with thoughtful selection and employment of pertinent biotechnology, sorghum production should be able to maintain or increase its agricultural significance.

Breeding, DNA markers, genetic engineering

Bennetzen, J.L.


Les technologies moleculaires modernes vont entrainer des changements importants dans la nature et l'efficience de la production agricole. Les marqueurs DNA peuvent etre utilises pour accelerer les programmes d' amelioration tandis que le genie genetique pourra jouer un role pins que jamais important. Differentes plantes, aussi bien qu'une seule plante, cultivees dans differents environnements pourraient varier dans leur nature selon le degre avec lequel ces technologies pourraient etre utilisees. Les points forts du sorgho, particulierement son haut niveau de productivite sous des conditions adverses de production font de cette culture une cible importante pour une amelioration continue. Les techniques moleculaires permettront de faire des progres exceptionnels dans l'augmentation de la productivite des especes de cultures, selon les efforts qui seront mis sur ces especes. Ainsi, le sorgho fera face a la competition des nutres cultures comme le mais et le riz. Pour maintenir sa majeure contribution a l'agriculture mondiale, le sorgho doit utiliser ses points forts en vue d'acquerir des nouvelles capacites. Heureusement que pinsieurs outils developpes pour d'nutres graminees peuvent directement etre utilises pour l'amelioration du sorgho grace partiellement a son niveau eleve de conservation de genes et de colinearite. Les applications appropriees de biotechnologie seront souvent tres differentes pour differents producteurs ou utilisateurs de sorgho. Cependant, a l'aide d'une selection bien pensee et de l'usage pertinent de la biotechnologie, la production du sorgho pourrait maintenir et accroitre son importance agricole.

Mots Clés
Amelioration, marqueurs DNA, genie genetique

© Copyright 1995 - African Crop Science Society

Home Faq Resources Email Bioline
© Bioline International, 1989 - 2022, Site last up-dated on 19-Jan-2022.
Site created and maintained by the Reference Center on Environmental Information, CRIA, Brazil
System hosted by the Internet Data Center of Rede Nacional de Ensino e Pesquisa, RNP, Brazil