Seed Germination and Seedling Growth Characteristics of Different Larix principis-rupprechtii Families

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Abstract:

Phenotypic traits (thousand seed weight and plumpness, etc.), germination characteristics (germination rate and nursery germination rate, etc.), growth traits (seedling height, basal diameter, root length, etc.) and photosynthetic parameters of 8 superior families and 3 controls (seed orchard, seed production stand and planted forest) were measured and analyzed to determine the difference of seed germination and seedling growth among Larix principis-rupprechtii families. Results showed that families 7-46, 8-74 and 1-30 performed excellent in aspects of germination index, nursery germination rate, height, basal diameter and photosynthetic rate. Their membership function value was 4-5 times higher than planted forest, 35%-70% higher than the seed orchard and seed production stand.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

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1112-1116

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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