【摘要】 云山2号属春秋兼用型花椰菜一代杂种，母本是从日本晚熟花椰菜Snow Crown F1中分离定向选育的优良自交不亲和系，父本是以津选3198与埃阿利白峰杂交经多代系统选育而成的高代优良自交系52-3-3-6。春季栽培成熟期59d(天)左右，平均单球质量0.63～0.75kg，每667m2产量1575～1875kg，比对照品种雪峰增产 88.0%左右，比雪山增产7.0%～10.5%。秋季栽培成熟期90～95d(天)，平均单球质量1.21～1.91kg，每667m2产量3025～4775kg，比对照品种雪山增产13.0%～22.0%。花球呈半球形，洁白，紧实，VC含量755.6mg·kg-1(鲜样)，蛋白质含量0.248%，抗TuMV，耐黑腐病。更多还原

【Abstract】 Yunshan No.2 is a new Cauliflower F1 hybrid which ca n be cultivated in both spring and autumn. Female parent 91D-8-5-7-6-2-5 8 is a self-incompatibale line which selected from descendant of late maturing v ariety. Male parent is a selfing line 52-3-6. In Spring，its mature period is about 59 days，the single curd is 0.63-0.75kg. The yield is 23-28t·hm-2 and is 7.0%-10.5% higher than that of CK ‘Xuesh an’. In Autumn，its mature period is 90-95 days，the single curd is 1.21-1.91 kg. The yield is 45-72t·hm-2 and is 13%-22% higher than that of CK ‘Xueshan’. It has white，close curd with good qual ity, which contains 755.6mg·kg-1 of VC fresh curd and 0.248% of proteint. It is resistant to TuMV and black rot.更多还原