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苜蓿霜霉病的接种鉴定笔者对４０余种国内外苜蓿品种进行了霜霉病接种鉴定。报告如下：田间接种鉴定。在苜蓿霜霉病高发期，从病株上取病原菌配成病菌孢子悬浮液，浓度以在低倍显微镜下检查平均每视野内有３～１０个孢子为宜。将病菌孢子悬浮液均匀喷洒到供试的未感病苜蓿...
Inoculation of alfalfa downy mildew The author of more than 40 kinds of alfalfa varieties were downy mildew vaccination identification. The report is as follows: Field vaccination identification. In the high incidence of alfalfa downy mildew, take pathogens from the diseased strains dubbed the spores suspension of bacteria, the concentration under low magnification examination with an average of 3 to 10 per field of view is appropriate. The bacteria spore suspension spray evenly to the test of non-susceptible alfalfa ...