Abstract:

‘Tietuo’ is a new tomato F₁ hybrid developed by crossing inbred line‘ T3-106’ as female parent and inbred line ‘Y12-105’ as male parent．It is of indeterminate growth type with strong growth vigor and mid-late maturity．Its matured fruit is shiny red in color．The single fruit weight is 150-170 g．Its contents of soluble solid，soluble sugar and titratable acid are 4.20%，2.99% and 0.63%，respectively．The sugar-acid ratio is 4.75．The VC content is 116.0 mg · kg^-1 and lycopene content is 21.9 mg · kg^-1．It can yield about 75-90 t · hm^-2．It is highly resistant to Fusarium wilt，resistant to root-knot nematode and TYLCV，and mid-resistant to CMV and TMV．It is suitable to be cultivated in southern region of China in spring and autumn．

Key words: Tomato, ‘Tietuo’, Resistant to TYLCV, F₁ Hybrid

摘要：

铁砣是以自交系T3-106 作母本、自交系Y12-105 作父本配制而成的番茄一代杂种。无限生长类型，中晚熟，生长势强；成熟果大红色，果皮光亮，单果质量150～170 g；可溶性固形物含量4.20%，可溶性糖2.99%，可滴定酸0.63%，糖酸比为4.75，VC含量116.0 mg · kg^-1，番茄红素21.9 mg · kg^-1；产量5 000～6 000 kg ·（667 m²）^-1，高抗枯萎病，抗根结线虫和番茄黄化曲叶病毒病（TYLCV），中抗黄瓜花叶病毒病（CMV）和烟草花叶病毒病（TMV）。适宜在华南产区春秋两季种植。

关键词: 番茄, 铁砣, 抗番茄黄化曲叶病毒病, 一代杂种