Mississippi State University
Collaborating Scientists' Institutions: ICA, CIBA-Geigy, FEDEARROZ, CIAT, FENALCE, El Alcaravan (Colombia)
The primary objective of this project was to develop minimum-input technology strategies for the evaluation of Al-tolerant hybrids and varieties grown in tropical savanna soils.
1. To establish a regional program for the development of sorghum and pearl millet germplasm with tolerance of low pH tropical soils with phytotoxic levels of Al. 2. To develop minimum-input technology strategies for the evaluationof Al-tolerant lines grown in tropical savanna soils. 3. To screen and evaluate Al-tolerant sorghum hybrids according to the Al-sturation level. 4. To screen and evaluate a portion of the world sorghum and pearl millet collections for tolerance of Al manganese (Mn) toxicities, and low phosphorous (P). 5. To incoporate sources of tolerance of Al and Mn toxicities of low P into elite U.S. and tropical sorghum genotypes. 6. To establish a regional program for the development of sorghumand pearl millet germplasm adapted to tropical environments. 7. To distribute sorghum and pearl millet germplasm developed from INTSORMIL projects and ICRISAT to national programs in Latin America and Africa. 8. To train and assist Latin American and African scientists in the use of effective breeding and screening methods for the adaptation of sorghum and pearl millet to acid soils. 9. Assist other INTSORMIL PIs in conducting research in Colombia.