Ecophysiological Traits of Germination of Broussonetia papyrifera Seeds
The effects of temperature, light and humidity on seed germination were studied to figure out the optimum conditions and pretreatraent method for seed germination of B. papyrifera. The results show that temperature and light are major ecological factors affecting seed germination, 25--30°C is the suitable temperature, 30℃ is the optimum temperature(germination rate 88. 5%). The optimum light is 12 h light + 12 h darkf Humidity is not a major ecological factor. Conclusion: It is recommended that the optimum germination conditions include 30°C , 12 h light+12 h dark and normal humidity.
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