中熟青花菜新品种浙青75的选育

Breeding of Zheqing 75,a New Mid-maturing Broccoli Cultivar

浙青75是利用小孢子培养技术和ogura雄性不育系技术选育的中熟青花菜杂交种,适合夏种秋收。移栽至收获77 d左右,株型中等、较开展。长势强,侧枝中等。羽叶,叶面蜡粉较多。花球蘑菇形、较紧实,花蕾绿色,蕾粒较匀,遇冷不易发紫。一级花梗较长、色绿,球茎不易空心。球径14 cm左右,单球质量约500 g,商品性佳,于2020年通过浙江省农作物品种认定委员会现场考察和认定。

Zheqing 75 is a new mid-maturing broccoli hybrid bred by microspore culture technology and ogura male sterile system.It can be sowed in summer and harvested in autumn.It takes about 77 days from transplanting to harvesting,and the plant type is medium.The plant growth vigor is strong,and the number of lateral branch is medium.The shape of leaf is feathery,and the leaf surface is covered with more wax powder.The shape of flower head is mushroom and the head is tighter with green and uniform buds,in addition,the buds will not turn to purple under low temperature.The primary floral shoot is longer and green,and bulbs are not easy to be hollow.The head transverse diameter is about 14 cm,and the average weight of single head is about 500 g.The cultivar has good commodity which was inspected and identified by the Crop Variety Committee of Zhejiang Province in 2020.