42 isolates of P.sojae were obtained from diseased soybean plants in 9 counties of Heilongjiang Province and 1 county of Jilin Province in Northeast of China.11
Key technologies for green food pork production were described in this article,as aspects of business standardization;production equipments and facilities,produ
Myocardium tissue of Kunming mouse embryonic bodies was cultured with the feeder layer of their embryonic fibroblasts in TCM199.The results indicate that some p