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| A New Open Field Cucumber F1 Hybrid —‘Beijingxin 401’ |
| MAO Ai-jun，ZHANG Feng，ZHANG Li-rong，WANY Yong-jian |
| Beijing Vegetable Research Center，Beijing Academy of Agriculture and Forestry Science，Beijing 100097，China |
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Abstract Beijingxin 401’is a new cucumber F1 hybrid developed by crossing excellent inbred lines 96-Ch5 as female parent and 96-55 as male parent．The fruit is crisp and sweet with white spine and straight bar．The first female flower appears in the 5th-7th node．The fruit is 31-34 cm in length and 200-220 g in weight．Its total yield is 57.0 -67.5 t?hm-2 in open field cultivation in spring and summer．It is resistant to downy mildew，powder mildew，virus and tolerant to high temperature and long day．It is suitable for cultivation in open field in north，northeast，northwest and certain area of south China．
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Received: 01 September 2011
Published: 29 September 2011
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