早熟青花菜新品种浙青60的选育

Breeding of Zheqing 60,a New Early-maturing Broccoli Cultivar

浙青60是利用小孢子培养技术和Ogura雄性不育系技术选育的早熟青花菜杂交品种,适合夏种秋收。移栽至收获60 d左右,株型较开展,株高约64 cm,开展度83 cm。花球较紧实,圆球形,球径13.8 cm,单球质量约520 g。花蕾蓝绿色,蕾粒匀细,遇冷不易发紫;花梗较长、色绿;球茎不易空心。该品种早熟性突出、花蕾蓝绿、花梗绿、商品性好、中抗黑腐病,2019年通过浙江省农作物品种认定委员会现场考察。

Zheqing 60 is a new early-maturing broccoli hybrid which is applied by Ogura male sterile system and microspore culture techniques.This cultivar can be sowed in summer and harvested in autumn.It takes about 60 days from transplanting to harvest.The height and width of the plant are about 64 cm and 83 cm,respectively.The head of the cultivar is tight and in spherical shape,and the peduncles are long and green.The single head weight is nearly 520 g,while the head transverse diameter is 13.8 cm.The head buds are blue-green,small and uniform,which will not turn purple under low temperature.The head stem does not easily hollow.Zheqing 60 was certificated by the Crop Variety Committee of Zhejiang Province in 2019,which shows comprehensive characteristics of excellent early-maturity,good heat-tolerance,blue-green head buds,and green stem.