共 50 条
- [2] CHALKBROOD INFECTION AND DETECTION IN COLONIES OF HONEY BEES, APIS-MELLIFERA AMERICAN BEE JOURNAL, 1978, 118 (03): : 158 - 159
- [3] ISOLATION OF THE CHALKBROOD PATHOGEN, ASCOSPHAERA-APIS, FROM HONEY-BEE (APIS-MELLIFERA) SURFACES, POLLEN LOADS, AND A WATER SOURCE AMERICAN BEE JOURNAL, 1987, 127 (08): : 581 - 583