‘Weike No.1’ is a new Jitui Welsh onion F₁ Hybrid with long pseudostem developed by crossing
cytoplasmic male sterile line‘ BS026CA’ transferred from Jitui welsh onion as female parent and inbred line‘ 1279’
selected from genetic resource from Europe as male parent．The plant height is 120-150 cm with about 44 cm
fistular stalk．The diameter mean of bottom and middle stem is about 3.4 cm．The single plant weight is 550-
700 g．It tastes fairly hot．Its leaf is dark green in color．The plant keeps 7-9 functional leaves during growing
stage．It can yield about 78 t·hm^-2．It has resistance to downy mildew，virus disease，purple blotch．It is
suitable to be cultivated in Shandong，Henan，Hebei，and Liaoning Provinces，etc．northern regions in open or
protected fields.