抗番茄黄化卷叶病毒番茄新品种“科大206”的选育

A New TYLCV Resistant Tomato F1 Hybrid ‘Keda No.206’

“科大206”是以经济性状优良的自交系TPC30-1为母本,以抗病性强的自交系8693022-6为父本育成的番茄一代杂交种。该品种无限生长类型,生长势强,中早熟,果实扁圆形,青果无绿肩,成熟果粉红色,单果质量约220g。果实硬度高,畸形果少,耐裂果,商品性好;口感酸甜适中,品质优良。抗番茄黄化卷叶病毒病,兼抗TMV、叶霉病和枯萎病。每667m^2产量8 000kg左右,适宜我国北方保护地早春茬和秋延后栽培。

‘Keda No.206’ is a new tomato F1 hybrid,developed by crossing TPC30-1 as female parent with 8693022-6 as male parent.It is of indeterminate growth type and early-medium maturity.The matured fruits are oblate in shape and pink in color without green shoulder,and the single fruit weight is about 220 g with moderate firmness.Furthermore,the fruits have good commercial quality with less malformed fruit and low fruit cracking rate.It is resistant to tomato yellow leaf curl virus (TYLCV),fusarium wilt,leaf mould and tobacco mosaic ovirus(TMV).The average yield was about 8 000 kg per 667 m^2 in greenhouse.The hybrid is suitable for cultivation in protected fields northern China in early spring and late autumn.