学科分类
/ 1
1 个结果
  • 简介:<正>WegotamessagerecentlyfromtheInsititeofPlantQuarantine.MinistryofAgriculture,report-edbyscientistsintheinstitute.Thenewsissummeredasfollows.TheentrywheatgrainfromUSAhasheenpreservedatstoragebininBeijingsinceFeb1993.whichcon-tainedTCEteliospore.ThesorifragmentofbuntwasfoundinAug1996fromthewheatgrain.Accordingto

  • 标签: