Effect of Different Soaking Temperature on Germination Rate of Pinus sylvestris
Bo Liu · Northern Horticulture · 2012
Using randomized block design,explore the effect of 5 treatments on germination rate of Pinus sylvestris,which soaking temperature in 25,35,45,55℃ for 24 h and no-soaking.The results showed that before seedling nursery of Pinus sylvestris,it was best to soak the seeds use 25℃ and 35℃ warm water for 24 h,this was helpful for germination rate.The germination rate of all treatments which use warm water soaking for 14 days were significantly higher than no-soaking,the germination rate of no-soaking was only 38%.The germination rate which use 25,35℃ warm water soaking were higher than those which using 55℃ warm water;The germination rate were not significant between 25,35,45℃ and 45,55℃ warm water.The germination rate was the highest when use 25℃ water soak Pinus sylvestris seeds for 24 h,could reach to 52%,when use 35℃ water soak the seeds for 24 h,the germination rate could reach to 51%,when use 45℃ water soak the seeds for 24 h,the germination rate could reach to 48%,when use 55℃ water soak the seeds for 24 h,the germination rate could reach to 46%.