广西农科院植保所经过17年的研究,完成了“454”杀虫菌的菌株分离、选育、土法生产、工业生产及大田防治等研究工作,已通过专家鉴定。 “454”菌株属苏云金杆菌(B.t)血清五型蜡螟变种。B.t454菌种在工业发酵生产过程中,菌丝生长快,粗壮、整齐,周期短,同步率高,生产性能良好,适应性 Guangxi Academy of Agricultural Sciences Institute of Plant Protection After 17 years of research, completed the “454” insecticidal strains of bacteria separation, breeding, indigenous production, industrial production and field control and other research work, has passed the expert appraisal. The “454” strain is a Bacillus thuringiensis (B.t) serotype 5 wax borer variant. B.t454 strain in the industrial fermentation process, mycelial growth fast, sturdy, neat, short cycle, high synchronization rate, good production performance, adaptability