Short Communication Effect of Phosphorus on Root Colonization and Growth Promotion of Maize by Bioluminescent Mutants of Phosphate- Solubilizing Rhizobium Leguminosarum Biovar Phaseoli

ROCK CHABOT, CHANTAL J. BEAUCHAMP, JOSEPH W. KLOEPPER and HANI ANTOUN* De partement des Sols et de Ge nie Agroalimentaire et Centre de Recherche en Horticulture, Universite Laval, Pavillon Charles-EugeÁ ne Marchand, Quebec, Que., Canada G1K 7P4, De partement de Phytologie et Centre de Recherche en Horticulture, Faculte des Sciences de l'Agriculture et de l'Alimentation, Universite Laval, Pavillon Paul-Comtois, Quebec, Que., Canada G1K 7P4 and Department of Plant Pathology, Biological Control Institute, Life Science Bldg., Auburn University, Auburn, AL 36489, U.S.A.