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Forest Research. 2009, (01) Core

Effects of Ultra-dry Treatment on Vigor and Physiological Characteristics of Pinus tabulaeformis SeedsChinese Full Text

LI Qing-mei1,HOU Long-yu2,DUAN Xin-fang3,LIU Guang-quan4,MA Feng-yun2(1.Research Institute of Forestry,CAF;Key Laboratory of Tree Breading and Cultivation,State Forestry Administration,Beijing 100091,China;2.Forestry College of Shandong Agricultural University,Tai’an 271018,Shandong,China;3.Research Institute of New Forestry Technology,CAF,Beijing 100091,China;4.Northwest Agriculture and Forestry University,Yangling 712100,Shaanxi,China)

Abstract: The seeds of Pinus tabulaeformis Carr.were dried from 64 g·kg-1 to 53 g·kg-1,41 g·kg-1,32 g·kg-1 and 25 g·kg-1 moisture content in a desiccator with silica gel.The seed vigor and physiological characteristics after accelerated aging were measured.The results showed that the seed germination energy,germination percentage,germination index and vigor index separately decreased 6.8%,14.5%,1.39 and 4.18;The germination percentage and vigor of ultra-dried seeds were higher than those of seeds with 64 ... More
Keywords：

Pinus tabulaeformis seeds; ultra-drying storage; relative conductivity; dehydrogenase activity; α-amylase activity;

  • Series：

    (D) Agriculture

  • Subject：

    Forestry

  • Classification Code：

    S791.254

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