Infectious bursal disease virus ( IBDV ) is an important pathogenic agent of chicken.传染性法氏囊 病毒是鸡的一种重要的病原.TUB 2 gene is the resistance gene to benzimidazole in plant pathogenic fungi.TUB2基因为植物病原菌抗苯并咪唑类杀菌剂基因.All the pathog...