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《Protection Forest Science and Technology》 2018-06
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Effects of Low-temperature Treatment on Seed Vigor of Three Kinds of Afforestation Tree Species

Pang Hongtao;Department of Returning Farmland to Forest in Fuxin Mongolian Autonomous County,Liaoning Province;  
The climate in western Liaoning Province is arid and dry,and there are not many tree species suitable for local afforestation.Pinus tabulaeformis,Platycladus orientalis and Robinia pseudoacacia are common tree species in local afforestation and have optimal adaptability to the local environment.In this paper,three kinds of tree seeds were pretreated with low temperature treatment to explore the effect on seed vigor.Result shows that low temperature treatment have the effect on the germination of three kinds of seeds,of which the effect on Pinus tabulaeformis and Platycladus orientalisare significant,and the germination rate of Robinia pseudoacacia is not significant.The trend of seed germination is firstly increase and then decrease,while prolonged cold treatment inhibited seed germination.
【CateGory Index】: S718.43
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