多抗性番茄新品种杭杂400的选育

杭杂400是以T06-2为母本，以9905-2-1-1-1-1为父本配制而成的中早熟番茄一代杂种。无限生长类型，50 %的植株有长而密的白色茸毛，50 %为普通植株；第1花序着生于第7～8节，成熟果大红色，无绿果肩，单果质量207.6 g，果实硬度1.05 kg·cm^-2，较耐贮运；品质佳，风味好，VC含量387.0 mg·kg^-1，可溶性固形物7.68 %，总糖3.45 %，可滴定酸0.425 %；耐高温、耐寒和耐涝性均好，高抗烟草花叶病毒病和叶霉病，抗黄瓜花叶病毒病，中抗青枯病；茸毛株对蚜虫、烟粉虱和美洲斑潜蝇具有较好的避虫效果；春大棚栽培每667 m²产量5 500 kg左右，适宜于设施和露地栽培。

A New Tomato F1 Hybrid with Multiple Disease Resistances-'Hangza 400'

‘Hangza 400’is a new middle early maturity tomato F₁ hybrid, developed by crossing T06-2 as female parent and 9905-2-1-1-1-1 as male parent. It is a variety with indeterminate growth. Half of its plants have dense, long and white hairs, the other half are normal plants. Its first inflorescence is setting at 7-8 node. Its fruit is red without shoulder. Its single fruit weight is 207.6 g. The fruit hardness is 1.05 kg·cm^-2. It is good for storage and transportation. It has excellent quality and good flavor. Its VC content is 387.0 mg·kg^-1. The contents of soluble solid, total sugar and titratable acid are 7.68 %, 3.45 % and 0.425 %, respectively. It is tolerant high and low temperature and flood. It is highly resistant to TMV and leaf mould, resistant to CMV, middle resistant to bacterial wilt. The hairy plants have good effect of repelling aphids, Bemisia tabaci and American leaf miner. Its yield is about 82.5 t·hm^-2 in fields under shed in spring. It is suitable to be cultivated in protected and open fields.