Cold Tolerant Sorghum Hybrids And Parental Lines. II: Fusarium verticillioides (Sacc.) Nirenberg Effests on Seed Yield and its Components Unders Field Conditions

Cisneros-López, M. E. and Mendoza-Onofre, L . E. and Mora-Aguilera, G. and et al, . (2007) Cold Tolerant Sorghum Hybrids And Parental Lines. II: Fusarium verticillioides (Sacc.) Nirenberg Effests on Seed Yield and its Components Unders Field Conditions. Agrociencia, 41. pp. 283-294.

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Abstract

The expansion of sorghum (Sorghum bicolor L. Moench) crop to the Central High Valleys of México, where cold tolerant experimental sorghum hybrids (CTESH) are already available, is limited by their susceptibility to stem and head blight (Fusarium verticillioides) and by the small seed size. The tolerance to this pathogen of new CTESH and some of their parental lines, to which this trait had been incorporated, was evaluated. In 2003, an experiment was established under field and irrigation conditions at Montecillo, State of México, in which 12 hybrids, 3 A-lines, 5 B-lines, 3 R-lines and the open pollinated variety VA-110 were evaluated. Three inoculation treatments at the onset of flowering, were applied per genotype: 1) injection of a pathogen suspension (5×104 conidia mL−1); 2) injection with sterile water; and 3) control without inoculum or injection. A complete randomized blocks design with three replicates, in a factorial arrangement, was used.

Item Type:	Article
Uncontrolled Keywords:	Fusarium verticillioides, sorghum bicolor, phytopathology, plant breeding, cold tolerance.
Author Affiliation:	1Producción de Semillas, 2Fitopatología y 3Genética. Campus Montecillo. Colegio de Posgraduados. 56230. Montecillo, Estado de México.
Subjects:	Crop Improvement
Divisions:	Sorghum
Depositing User:	Mr Siva Shankar
Date Deposited:	07 Aug 2012 07:21
Last Modified:	07 Aug 2012 07:23
Official URL:	http://www.colpos.mx/agrocien/agrociencia.htm
URI:	http://eprints.icrisat.ac.in/id/eprint/7200

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