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| A New Watermelon F1 Hybrid —‘Nongkeda No.4’ |
| MA Jian-xiang，ZHANG Xian*，ZHANG Yong，YANG Rui-ping |
| College of Horticulture，Northwest A & F University，Yangling 712100，Shaanxi, China |
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Abstract A new early maturity watermelon F1 hybrid‘Nongkeda No.4’was bred by crossing inbred lines M12 as female parent and F14 as male parent. Its fruit development period is 30 days，and the whole growing period is 90 days．The variety is easy to set fruits．The fruit’s index was 1.05．Its fruit is of round shape and the peel is green in colour with deep green stripes．The fruit rind is 1 cm thick. It is good for storage and transportation．The flesh is bright red in color and succulent with high quality and good flavor．The soluble solid content in the flesh core area is 12.5%，with little differentiation from the edge．It also has good resistance to Fusarium wilt．The single fruit weight is about 6.0 kg，and the yield is 46.5 t?hm-2．It is suitable for cultivation in facility watermelon planting regions in Shaanxi Province in early spring．
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Received: 09 March 2012
Published: 03 June 2012
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