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《Journal of Henan Agricultural Sciences》 2014-08
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Determination of Pollen Viability of Seven Rose Varieties

LI Hong-tao;CHEN Hai-yan;LI Dong-wei;CHEN Yan-hui;WANG Ping-ge;LIU Guang-fu;Zhengzhou Institute of Urban Landscape and Architecture;Henan Academy of Agricultural Sciences;Xinzheng Forestry Bureau;College of Horticulture,Henan Agricultural University;Zhengzhou Lüwen Square Management Center;Henan Workers Cultural Palace;  
The effects of sucrose concentration and storage temperature on pollen viability of seven rose varieties were studied by the method of germination,so as to provide reference for the rose evaluation and breeding.The results showed that the germination rates of fresh rose pollen were different with the sucrose concentration of 15%,20%,25%in medium,the germination rate of fresh rose pollen was the highest with the sucrose concentration of 15%,which were 32.4%-47.1% for seven rose varieties,there was little or no germination rate with the sucrose concentration of 20%,25%.The successive order of fresh pollen viability of different rose varieties under normal temperature condition was Sekiyo,President Senghor,Eiko,PinkPeace,Peace,Paradise and Hiogi.The fresh pollen viability of Sekiyo,President Senghor and Eiko were higher,which were 47.1%,45.5% and 40.2% respectively.The pollen viability of seven rose varieties were only 7.2%,8.0%,8.2%,5.3%,5.0%,7.1%,7.0% under normal temperature condition after four days,respectively,and there was no viability after five days;the pollen viability could remain for 10 days under 0-5℃storage condition.
【CateGory Index】: S685.12
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