番茄新品种“鸿硕719”的选育

Breeding of a New Tomato F_(1)Hybrid‘Hongshuo 719'

“鸿硕719”是以自交系1863为母本,以自交系1502为父本育成的中早熟番茄一代杂种,从播种到始收约98d,无限生长型,植株生长势旺,第1花序着生于主茎第6~7节位,每隔约4片叶生1花序;果实扁圆型,果表光滑,无果脐,成熟果粉红色,无绿肩,果实硬度高,平均单果质量205g;可溶性固形物含量6.83%,番茄红素含量256.0mg·kg^(-1),维生素C含量274.0mg·kg^(-1),中抗病毒病、叶霉病、枯萎病、根结线虫病;露地栽培每667m^(2)平均产量6435.3kg,适宜在甘肃、内蒙古、山东、宁夏、青海、云南早春保护地、露地和秋延保护地及越冬日光温室种植。

‘Hongshuo 719'is a first-generation hybrid of middle-early maturing tomato,which is prepared with inbred line 1863 as the female parent and inbred line 1502 as the male parent.It is infinite growth type,with vigorous plant growth vigor.It takes about 98 days from sowing to first harvest.The first inflorescence emerged at the 6th to 7th node of the main stem,with 1 inflorescence every about 4 leaves.The mature fruits are oblate and pink with no green shoulder,smooth fruit surface and no fruit navel.The quality of average single fruit is 205 g.The content of soluble solids is 6.83%,vitamin C content is 274.0 mg·kg^(-1)and lycopene content is 256.0 mg·kg^(-1).The average yield per 667 m^(2)is 6435.3 kg in open field cultivate.It is medium resistant to viral diseases,leaf mold,blight and Meloidogyne incognita.Therefore,it is suitable for planting in the early spring protected area,open field,late autumn protected area and overwintering solar greenhouse in Gansu,Inner Mongolia,Shandong,Ningxia,Qinghai,Yunnan and other regions.