Venturia nashicola 第1页

PREDICTION OF THE SEVERITY OF PEAR SCAB VENTURIA NASHICOLA DURING EARLY STAGE IN EASTERN REGION ALONG YANGTZE RIVER AND ITS CONTROL RELATIONSHIP BETWEEN IFAF AGE OF PEAR AND ITS RESISTANCE TO VENTURIA NASHICOLA Progress in research on the pathogenicity of Venturial nashicola and resistant mechanism of its host