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青海云杉无性系种子园球果出种量及种子播种品质的研究

Practical Forestry Technology(2016)

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Abstract
选择青海云杉(Picea crassifolia Kom.)无性系种子园8个优良无性系球果样本按大、中、小分为3个等次,进行出种情况及种子部分播种品质进行了研究.结果表明:本区青海云杉球果平均单果出种量为0.878 g,平均出种率为3.37%;种子平均千粒质量为7.254 1 g.平均发芽率为89.75%,平均发芽势为68.2%;球果单果出种量、种子千粒质量、发芽率、发芽势指标均与球果大小有关,随大、中、小规格依次降低.
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