美国农业部的科学家新近发现了一种防治小麦主要病害全蚀病的抗生素,它是由荧光假单胞菌的一种菌株生产的。试验表明,这种以P2—79命名的新抗生菌,能抑制大约40种其它土壤微生物,包括那些为害燕麦、大麦、黑麦和牧草的 Scientists at the U.S. Department of Agriculture have recently discovered an antibiotic that protects against the eclipses of major diseases of wheat, which is produced by a strain of Pseudomonas fluorescens. Experiments have shown that this new antibiotic named P2-79 inhibits about 40 other soil microorganisms, including those that harm oats, barley, rye and pasture