|
|
|
| A New Pakchoi F1 Hybrid —‘Jingguan No.1’ |
| ZHAO Xiu-yun,XU Jia-bing,ZHANG Feng-lan*,YU Yang-jun,ZHANG De-shuang，YU Shuan-cang，LU Gui-xiang |
| National Engineering Research Center for Vegetables,Beijing 100097,China |
|
|
|
|
Abstract ‘Jingguan No.1’is a new pakchoi F1 hybrid bred by two self-incompatible lines Y242 and Y184.It grows rapidly and can be harvested at 30-55 days after sowing.The plant is 21 cm in height and 30 cm in width.The leaf is light green and the petiole is green with 5.5 cm in width and 1.4 cm in thickness.The average plant weight is about 0.26 kg and its yield is about 37.5 t·hm-2.It is high resistant to virus disease,resistant to downy mildew.It is suitable for summer and autumn cultivation,and has been extended to Beijing,Fujian,Zhejiang,Guangdong and Yunnan with total area about 60 000 hm2.
|
|
Received: 21 August 2009
|
|
Corresponding Authors:
ZHANG Feng-lan
|
|
|
|
|
|
|
