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Study on Growth and Genetic Gains of Different Families in Eucalyptus urophylla Second Generation Seed Orchards

【摘要】:正 A second-generation seedling seed orchard including 32 open-pollinated families of Eucalyptus urophylla was built at Gaoyao City, Guangdong Province to examine the genetic performance of the orchard, which were selected from the superior trees in an improvement seed orchard. Compared to the charac

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