摘要
通过对６个马铃薯品种块茎接种晚疫病菌，研究其块茎接种的鉴定方法。块茎接种鉴定晚疫病水平抗性，以整薯针刺接种和切面接种相结合的方法。水平抗性的确定应依据发病时间、侵染率。
The tubers of six cultivars were inoculated with the mixtures of 0,2,4 and 34 physiological races of Phy tophthora infestans and the methods were investigated for testing field resistance of tubers to late blight. The results obtained in laboratory by means of pricking the bud end of a whole tuber and then inoculated or inoculating the cut surface directly coincided with those in field. The field resistance of a cultivar should be evaluated on the basis of the time of symptom appearance, the rate of infection, the velocity of disease development and the amount of zoospores produced.
出处
《马铃薯杂志》
1997年第2期81-84,共4页
Chinese Potato Journal
关键词
马铃薯
块茎
晚疫病
抗性鉴定
potato, tuber, late blight, field resistance
