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北美红杉种子育苗试验

YUNNAN FORESTRY SCIENCE AND TECHNOLOGY(2002)

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Abstract
对不同种源的北美红杉种子作不同试剂浸种处理和控制不同发芽温度的发芽试验,以及开展不同种源种子的播种育苗试验,结果表明:种子发芽率和发芽势最好的方案是用SYA6种源,种子经1 000 mag/L的KMn04溶液浸泡12 h,发芽温度采用20℃.参试的3种因素中,种源因素对种子发芽率和发芽势影响显著;北美红杉各个种源苗木生长迅速,1年生苗木除苗木侧根数外,各种源间苗木的苗高、地径、主根长度、苗木鲜重和苗木干重差异极显著.
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