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A New Taste Tomato F1 Hybrid Resistant to TYLCV —‘Zhewei No.2’ |
WANG Rongqing,ZHOU Guozhi,RUAN Meiying,YE Qingjing,YAO Zhuping,CHENG Yuang,WAN Hongjian,LI Zhimiao |
Institute of Vegetables,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,Zhejiang,China |
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Abstract ‘Zhewei No.2’is a new taste tomato F1 hybrid of mid-size fruit type.It is cultivated by conventional crossbreeding method combined with molecular marker-assisted screening techniques,which inbred line T18-238AA’as female parent and‘T20-055A’as male parent.It is of early maturity,and infinite growth type.The fruit is of round shape.The mature fruit is pink in color with good brightness.It is resistant to cracking.Its commodity is excellent.It is rich in flavor and taste.The single fruit weight is about 120 g.It is highly resistant to tomato yellow leaf curl virus(TYLCV),and resistant to tomato mosaic virus(ToMV),blight,grey leaf spot,root-knot nematodes.The soluble solid content is 8.5%,lycopenecontent is 68.29 mg · kg-1 ,VC content is 197 mg · kg-1 ,total soluble sugar content is 58 g · kg-1 ,titratable acid content is 3.84 g · kg-1 ,and sugar acid ratio is 15.10.It can yield about 60 t · hm-2 .It is suitable for cultivation at protected fields in Zhejiang Province and surrounding areas in early spring and autumn delayed dates.
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Received: 09 October 2023
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