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玉米细菌性枯萎病 Erwinia stewaltii(E.F.Smith)Dye 是我国重要的对外检疫对象之一。近年来,进口玉米种子检疫工作逐渐增多,在检验中把分离到的玉米细菌性枯萎病病原菌接种到玉米幼苗上,感病后如能长久保存感病幼苗不退色、并且症状明显,这对对外出证和同外商谈判是很重要的依据,我们把保存绿色植物标本的脱色着色法应用在这一方面,收到了较好的效果。具体作法如下:
Corn bacterial wilt disease Erwinia stewaltii (E.F.Smith) Dye is one of the important foreign quarantine objects in China. In recent years, imported corn seed quarantine work gradually increased, in the test to isolate the corn bacterial wilt pathogens inoculated into corn seedlings, after the flu if long-term preservation of susceptible seedlings does not fade, and the symptoms are obvious, which is right Outgoing permits and negotiating with foreign countries are very important bases for the application of the decolorization and coloring method of conserving green plants specimens in this respect and have received good results. Specific practices are as follows: