【摘要】 通过对抗苹果树皮腐烂病抗生素S—921菌株特性的研究,发现其特性基本属于不吸水链霉菌类群但与不吸水链霉菌又不完全相同,因此,我们认为它是一个新的变种。更多还原

【Abstract】 The Antibiotic s—921 against apple tree canker was studied. The strain is similar to streptomeces ahygroscopicus but not all identical we presume that it is a new variety of S. ahygroscopicus group.更多还原