Incorporating the allelopathy trait in upland rice breeding programs

Courtois Brigitte, Olofsdotter Maria. 1998. Incorporating the allelopathy trait in upland rice breeding programs. In : Allelopathy in rice. Olofsdotter Maria (ed.). IRRI. Manila : IRRI, pp. 57-67. ISBN 971-22-0101-5 Workshop on Allelopathy in Rice, Manila, Philippines, 25 November 1996/27 November 1996.

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Abstract : Promising results in rice allelopathy research offer the possibility to use this phenomenon in breeding programs to enhance weed control in upland rice. To incorporate the allelopathy trait in improved rice varieties destined for the uplands, several elements are necessary : (1) a good screening technique, (2) the existence of genetic variability within #Oryza sativa#, O. #giaberrima#, and the close wild relatives of rice, and (3) an understanding of the structure and genetic control of the trait. This paper outlines current gaps in knowledge, ways to fill in these gaps, and a perspective on possible breeding strategies. (Résumé d'auteur)

Mots-clés Agrovoc : Oryza sativa, Oryza glaberrima, Essai de variété, Variation génétique, Allélopathie, Amélioration des plantes, Désherbage, Riz pluvial

Classification Agris : F60 - Plant physiology and biochemistry

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