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《Shaanxi Forest Science and Technology》 2010-04
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The Effect of Temperature and Humidity on Seed Germination of Pinus yunnanensis

ZHANG Yue-min1,LI Gen-qian1,LI Lian-fang2,LIU Dai-yi1,ZHAO Min-chong1(1.Southwest Forestry College,Kunming,Yunnan 650224;2.Yunnan Academy of Forestry Sciences,Kunming 650204)  
In order to understand the effect of temperature and humidity on seed germination of Pinus yunnanensis,germination test is carried out under 15℃,25℃,35℃ respectively,together with humidity at 60%,80%,100% in 3×3 regression design.The results showed that germination percentage was closely in relation with temperature and humidity on a quadratic parabola pattern.The maximum germination temperature is 19.6℃ with humidity at 82.6% and the corresponding germination percentage was 96.9%.
【Fund】: 云南省“十一五”科技攻关项目(2006NG29);; 西南林学院重点基金项目;; 西南山地森林资源保育与利用教育部重点实验室资助项目
【CateGory Index】: S791.257
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