番茄新品种西农206的选育

Breeding of Xinong 206,a New Tomato Hybrid

番茄新品种西农206是以自交系B7为母本、自交系B23为父本配制的杂交一代良种。属无限生长类型,生长势强,低温坐果率高,连续坐果能力强,平均单果质量230~260 g,产量113 635.5 kg/hm2;果色粉红、扁圆形,无绿肩,果柄短,大小均匀,外形美观,商品性好;可溶性固形物含量4.9%,VC含量12.6 mg/100 g;果实硬度大,耐贮运,货架寿命长;抗番茄烟草花叶病毒（ToMV）,耐黄瓜花叶病毒（CMV）,对早疫病和叶霉病有一定抗性,抗逆性强。

The new tomato hybrid Xinong 206 is developed by taking inbred line B7 and B23 as female and male parent respectively. It is an indeterminate growth type with strong growth potential, high fruit setting ability at low temperature conditions, average single fruit weight of 230-260 g and the yield of 113 635.5 kg/hm2. The fruit is round, pink and smooth without green shoulder, and the carpopodium is short, with the soluble solid content of 4.9%, VC content of 12.6 mg/100 g. It has long shelf life and is tolerant to storage and transportation, resistant to ToMV, CMV, early blight, leaf mould and stress.