'Zhengfan 1733'is a new early maturity tomato F1 hybrid developed by taking'13Y12-36-8-12-hun-9-32-hun-hun'as female parent and'14A4-66-18-6-53-hun-hun'as male parent.It belongs to infinite growth type,and strong plant growth potential.The commodity fruit is pink in color,and the younger one has green shoulder.The fruit is of round shape,with a fruit type index of 0.86 and high hardness.The single fruit average weight is 101 g.The soluble solid content is 7.3%,lycopene content is 239.0 mg·kg-1,VC content is 287.0 mg·kg-1,and total acid content is 0.78%.It contains I2,Mi1.2,Ve1,Ve2 homozygous resistance gene,and Ty1,Bwr12,Frl949,Mi23,Sm,Tm2 heterozygous resistance gene.It is resistant to TYLCV,TMV,CMV,leaf mold,blight,and root-knot nematode.The average production is about 72 t·hm-2.It is suitable for planting in spring and autumn plastic tunnel,and overwinter greenhouses in Henan,Shandong,Hebei Province.
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