抗病番茄新品种川科2号和川科3号的选育

New disease-resistant tomato varieties——Chuanke No.2 and Chuanke No.3

川科2号、川科3号是在杂交后代中，经连续单株定向选育而成的抗病番茄新品种。川科2号属中熟，无限生长类型，其亲本之一是从美国品种Koatenae21-2的分离后代中选出。它高抗TMV、抗枯萎病、抗黄萎病，果实圆形、红色，单果质量180g，一般春季大棚每公顷产量在67500～82500kg。川科3号属中晚熟，无限生长类型，其亲本之一是从日本商业品种Woloer的分离后代中选出。它高抗TMV、抗枯萎病、耐黄萎病，果实圆形、粉红色，单果质量200g，一般春季大棚每公顷产量在75000～90000kg。

Chuanke No. 2 and Chuanke No. 3 are new disease-resistant tomato varieties by pedigree method.They are indeterminate growth and resistant to Fusarium wilt and TMV. In addition to,Chuanke No.2 is middle maturity. Its male line is selected from Koatenae21-2, which is introduced from USA. It is resistant to Verticillium wilt also. Its fruits are red skin and average fruit weight is 180 g. It yields 67.5 - 82.5 t·hm^- 2. Chuanke No. 3 is a middle- Late-maturing variety. Its male line is developed from Woloer, which is introduced from Japan. It is tolerance to Verticillitrn wilt. Its fruits are pink skin and average fruit weight is 200 g.The yield is about 75 -90 t·hm^-2.