Abstract：‘Tianjiao No.21’is a new hot pepper F1 hybrid of fresh and dry dual-purpose type，developed
by crossing inbred line‘208-1-2-2-1-1-1’as female parent and inbred line‘113-2-3-2-1-1-1’as male
parent．It is of mid-early maturity．The plant growth is medium．The plant is 78.8 cm in height and
73.2 cm in spreading．The fruit is of line shape．Its fruit is 27.1 cm in length and 1.98 cm in width．
The pulp thickness is 0.23 cm．The single fruit weight is 29.15 g．The young fruit is green in color．
The matured one is red in color．Its VC content is 1 130 mg · kg-1，and capspaicin content is 42.9 mg ·
kg-1．It is mid-resistant to CMV，epidemic disease and anthrax．The fresh pepper yield is about 36 t ·
hm-2．It is suitable for planting in open fields in Gansu Province and regions with similar climate conditions．
