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| A New Cherry Tomato F1 Hybrid with Resistance to Tomato yellow leaf curl virus —‘Jinbao’ |
| DENG Junjun1，GAO Min1，HE Jie1，WANG Binglin2，SUN Hongbo1，ZHU Honghua1，YAN Han3，YANG Yuan3 |
| 1Xi’an Agricultural Technology Extension & Service Center，Xi’an Agricultural Research Institute，Xi’an 710061，Shaanxi，China；2Xi’an Agricultural Product Quality Safety Inspection and Monitoring Center，Xi’an 710077，Shaanxi，China；3Xi’an Seed Control Station，Xi’an 710054，Shaanxi，China |
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Abstract ‘Jinbao’is a new resistance to TYLCV cherry tomato F1 hybrid developed by crossing selfinbred line‘hy15-1-5’as the female parent and‘10-4-6’as the male parent．It is of medium maturity．This cultivar is characterized by its indeterminate growth habit，vigorous vine plant，moderate leaf volume．The fruit is of oval shaped with an orange color，and have green shoulders during the maturation period．The single fruit weight is about 25 g．The soluble solid content is 8.9%，total sugar content is 15.0%，lycopene content is 2.50 mg · kg-1，and VC content is 113.0 mg · kg-1．The yield is about 55.5 t · hm-2．This cultivar carries Ty-2 gene for resistance to TYLCV，and its resistance to TYLCV is stronger than that of the contrast‘Bijiao’and‘Jinfei’in fields．It is suitable for greenhouse cultivation during the early spring in Shaanxi regions．
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Received: 26 April 2023
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