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| Effects of Different Storage Factors on Pollen Viability of Watermelon Variety
‘Zaojia’ |
| LIN Yi 1，YANG Yu-bin1，WANG Chi 1，YANG Jing-hua 2，ZHANG Ming-fang2 |
1 Agriculture and Forestry Bureau of Wenling City，Wenling 317500， Zhejiang， China； 2 College of Agriculture
and Biotechnology， Zhejiang University， Hangzhou 310029， Zhejiang， China |
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Abstract The paper studied watermelon〔Citrullus lanatus（Thunb.）Matsum. et Nakai〕pollen
cryopreservation methods and pollination technique．The result indicated that pollens of‘ Zaojia’ watermelon
can be stored at -18 ℃ or -25 ℃ under vacuum condition for 186 to 223 days with over 50% activity.
Pollen activity can be varied under different storage conditions，of which -25 ℃ can have longer
storage time than -18 ℃，and the pollen vitality is higher．The stored pollens should be activated at 25
℃ for 30 min before usage，so as to achieve higher fruit setting rate．The application of stored pollen
will not influence the quality of watermelon.
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Received: 15 July 2013
Published: 10 October 2013
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