The 2009 ASHS Annual Conference
Robert McPhail-Medina
Robert McPhail-Medina
Univ of Puerto Rico
Agronomy & Soils
P.O. Box 9030
Mayaguez,
PR
USA
00681-9030
Papers:
Inheritance of Papaya Ringspot Virus Resistance In Temperate and Tropical Genotypes of Pumpkin