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山东省临沂市兰山区科协自1989年至2000年从山东省农科院引进脱毒的“鲁引1号”马铃薯原原种(微型小薯)共40000多个,严格进行系统繁育后,累计已推广种植6000多公顷,1996年经临沂市科委测产验收,较不脱毒马铃薯种薯平均增产66.77%。经过连续11年引进、繁育脱毒马铃薯原原种,时常遇到重茬地易感疮瘪痂病、繁殖系数低、秋季遇大雨易烂种等问题。为了提高脱毒马铃薯原原种秋繁的
Linyi City, Shandong Province, Lanshan District Association from 1989 to 2000 from the introduction of Shandong Academy of Agricultural Sciences virus-free “Lu Yin 1 ” a total of more than 40,000 potato potato (miniature potato), more than 40 strict system breeding After that, a total of more than 6,000 hectares have been planted. In 1996, the test was conducted by Linyi Municipal Commission of Science and Technology. The average yield of non-virus-free potato seed was 66.77%. After 11 consecutive years of introduction and breeding of virus-free potato original stock, we often encounter the problem of susceptible scab wounds under continuous cropping, low propagation coefficient, and easy fall of rain in autumn. In order to improve the virus-free raw potato autumn complex