传染性病害
传染性病害-
植物传染性病害发生型浅析
A Preliminary Analysis of the Developmental Types of Infectious Plant Diseases
-
通过1998-2001年对黑龙江垦区水稻病害进行调查，共发现传染性病害18种，有17种已初步确诊，尚有1种有待进一步鉴定。
Rice diseases were investigated in Heilongjiang province reclaimed region during the year 1998 to 2001 , 18 species of contagious diseases were discovered , 17 species were elementary ascertained , 1 species was waiting to be identified .
-
棉花遭受了一种有传染性的致命病害。
An infectious disease fatal to cotton has struck the crop .