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《Journal of Zhejiang Normal University(Natural Sciences)》 2015-04
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Flowering process and pollen vitality of Michelia figo

JIANG Li;HONG Yan;CHEN Yan;SHI Defa;FU Jiali;CHEN Jianhua;Lü Hongfei;College of Chemistry and Life Sciences,Zhejiang Normal University;School of Civil Engineering and Architecture,Zhejiang University of Science & Technology;  
It was observed the florescence,flower density,flower characteristics and the flower direction from the single flower and plant of the cultivar, " Xiaoye",of Michelia figo. The optimum concentration of components,temperature and p H in vitro were received by using the collection of pollen of Michelia figo through the orthogonal experiment. The results showed that the duration of florescence was about 40 days and single flower was about 10 days. The ratio of flowers in the upper part and total number of plant was 71. 22%,and lower part of plant was 28. 78%. The 78. 91% of the total flowers blossomed upward or horizontal,while 21. 09% of the total flowers blossomed downward. The results also showed that the pollen germination was most suitable to the concentration of sucrose( 100 g / L),CaCl_2( 300 mg /L),H_3BO_3( 200 mg /L),the temperature of 25 ℃,and the p H of 6. 5. Based on the study of the bloossom characteristics and pollen culture in Michelia figo,theoretical foundation could be provided for reasonable plant configuration in landscape design,pollen manage-ment and crossbreeding of Michelia figo.
【Fund】: 浙江省科技特派员团队项目(2012T2T223)
【CateGory Index】: S685.99
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