1Institute of Vegetables,Liaoning Academy of Agricultural Sciences ,Shenyang 110161,Liaoning,China;2Institute of Sandy Land Improvement and Utilization of Liaoning Province,Fuxin 123000,Liaoning,Chin
‘Liaojiu No. 1’ is a new Chinese chive variety of deep dormancy type,developed by crossing ‘Yingkouxiejiu’ as female parent and‘ K013’ as male parent,and then through successive single plant selection for several generations. It can over winter safely in open fields in Shenyang. The plant is about 45 cm in height. The single plant has 6-8 leaves with 1.2 cm blade width. Its leaf is bright green in color. The leaf blade is thick and hollow. Its average single plant weight is 12.2 g. This variety grows vigorously and fast. It is orthostatic and strongly resistant to cold. Its quality is good. It tastes very spicy. In the fields,its resistances to virus disease,grey mold and blight are stronger than that of the contrasts‘ Fufeng No.1’ and‘ 791’. It can be harvested for 4-5 times per year. The average yield is 75 t·hm-2. It is suitable for open field and protected cultivation in late winter and early spring.