优质多抗番茄新品种“浙杂806”选育

Breeding of high quality and multi-resistant tomato F_1 hybrid Zheza 806

浙杂 8 0 6为无限生长类型番茄杂交一代品种。母本为加工品种浙红 2 0和美国引进材料ManapalTm 2 nv的杂交后代中经多代株系选育而成的T2 17,它具有高抗TMV的Tm 2 nv基因和黄绿叶、绿茎双隐性基因控制的标记性状 ,可方便剔除假杂种。父本 87 12 2 4从上海地方品种小鸡心中系选而成。该品种适合长江流域冬春大棚栽培 ,尤适春季露地和夏秋高山栽培 ,高抗TMV、中抗CMV ,单果重 2 2 0g ,果实大红色、高圆形 ,产量 5 0 0 0kg/ 6 6 7m2 左右 ,高产可达 70 0 0kg/ 6 6 7m2 以上。在浙江、福建等地已推广 10 0 0hm2 ,2 0 0 0年通过浙江省农作物品种审定委员会审 (认 )定。

Zheza 806 is a new indeterminate hybrid F 1. Its female parent line is T217 that is selected from the progenies of the cross between processing variety Zhehong 20 and Manapal Tm 2 nv which was introduced from U.S.A.. T217 has the gene to resist TMV and double recessive characteristics, yellowish leaf and green stem to distinguish false F 1 seedlings easily. Male parent, 87 122 4, is selected from Xiaojixin, a Shanghai local determinate variety. This hybrid F 1 suits cultivation in plastic house in winter and early spring season, as well as in open field in spring or highland in summer. It has very good quality fruit with red color and high resistance to TMV and mid resistance to CMV. Its average yield is about 75 t/hm 2. The total plant acreage is around 1 000 hm 2 in Zhejiang and some area nearby.