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| A New Cucumber F1 Hybrid for Greenhouse —‘Zhongnong No. 31’ |
| GU Xing-fang，ZHANG Sheng-ping，WANG Ye，MIAO Han，ZHENG Qi-gong |
| Institute of Vegetables and Flowers， Chinese Academy of Agricultural Sciences， Beijing 100081， China |
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Abstract ‘Zhongnong No.31’ is a newly bred cucumber F1 hybrid using inbred line 09676 as
maternal parent and 081006 as paternal parent．Its fruit is about 35 cm in length with short neck and
shining dark green skin．There are many white spines and small tuberculates on its fruit skin．It has
multi-resistances for downy mildew，powdery mildew and Fusarium wilt，et al．Moreover，it is
tolerant to low temperature and weak light. It is of early maturity and can sustainably bear fruit．It can
yield over 150 t·hm -2．It is suitable for greenhouse cultivation in northern China.
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Received: 24 December 2012
Published: 20 January 2013
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