新青二号大白菜的选育

新青二号大白菜是利用自交不亲和系配制的一代杂交种,生育期为85～90 d,抗大白菜病毒病、软腐病、霜霉病三大病害,耐热性强。植株紧凑,直筒拧心型,叶深绿,丰产优质,商品性好。适应性强,耐贮藏,净菜率高。平均单株净质量4 kg左右,每公顷产量120 000～150 000 kg。适宜全国各地秋季栽培。太原地区在麦收后复播,10月底11月初采收,冬季入窖贮藏经济效益更高。

Selection of New Chinese Cabbage F1 Hybrid Xinqing 2

Chinese cabbage Xinqing 2 is a F1 hybrid selected by self-crossed incompatible lines.Its growing period is 85～ 90 days,and it has a strong resistance against virosis,soft stale disease and frost mould disease,and a strong heat-resistance.The plant is compact with deep green leaves of straight shape and is screwed at central part,it also has high yield,good quality and commodity,strong adaptability and hoarding,and high net-head-rate.The average single plant weighs 4.0 kg,the total output reaches 120 000～150 000 kg/hm2.The variety is suitable for planting in the autumn in our country.Xinqing 2 is sowed after wheat harvest in Taiyuan region,and goes to market about the end of Oct.or the beginning of the Nov.Economic benefit is even higherif the variety is hoarded afterharvesting.