康保县康保乡西淖村种植专业户崔建江,在研究防治马铃薯病害的过程中,反复作了两组试验:一组是用刀把一个已患退化病的种薯先切两刀,再用此刀切好种薯37块,在一起混放两天后播种;一组是把一个已患退化病的种薯与39个好种薯混放两天后整播。结果,切块的出苗后不久就有24株患了退化病;整播的只有病薯出生退化病,到伏天,才 Cui Jianjiang, a specialist in cultivation of Xijiang Village, Kangbao Township, Kangbao County, has repeatedly conducted two tests in the course of studying the prevention and treatment of potato diseases. One is to use a knife to cut a seed of diseased seed first and then use this Sliced ​​37 pieces of chopped potato and sowed for two days together. One group was sowed after two days of planting a degenerated seed and 39 good seed. As a result, 24 plants developed degenerative disease shortly after the emergence of the cut pieces;