樱桃番茄抗青枯病砧木新品种海茄砧1 号的选育

海茄砧1 号是以野生茄子自交系HZ09-5 为母本，以从越南引进的茄子品种自交系HZ10-2 为父本育成的高抗青枯病樱桃番茄砧木品种。植株生长势较强，第1 雌花节位约为第7 节，花为紫色，果实卵圆形，青熟果淡绿紫色或淡绿色，果萼绿色，果长7～9 cm，果宽4～6 cm，单果质量为50～60 g，种子千粒重为3.2 g 左右，种皮浅黄色，高抗青枯病。海茄砧1 号与樱桃番茄的嫁接亲和性好，共生性强，嫁接苗成活率高。嫁接后的樱桃番茄果萼开展，果面有光泽，可明显改善果实VC、可溶性固形物和可滴定酸含量等品质，提高产量。适宜华南地区樱桃番茄的嫁接栽培。

A New Cherry Tomato Rootstock F1 Hybrid —‘ Haiqiezhen No.1’

‘Haiqiezhen No.1’ is a cherry tomato rootstock variety highly resistant to bacteria wilt，developed by crossing wild eggplant ‘ HZ09-5’ as female parent and eggplant selfing line‘ HZ10-2’ introducedfrom Vietnam as male parent. The plant has stronger growth vigor. The first female flower is located on about 7thnode. The flower is purple in color. The fruit is of oval shape. The peel of immature fruit is light purple green orlight green in color. It has green fruit calyx. Its fruit is 7-9 cm in length，4-6 cm in width. The single fruit weightis 50-60 g. The thousand-seed weight is about 3.2 g. The seed coat is light yellow in color. It is highly resistantto bacterial wilt. When grafted with cherry tomato，this variety has stronger graft compatibility and symbioticaffinity. The grafted seedling has high survival rate. After grafting，the calyx of cherry tomato is wide open andfruit peel is glossy. The fruit VC content，soluble solid matter content and titratable acid content，etc. qualitieswere remarkably improved. It is suitable for grafted cultivation with cherry tomato in Southern China.