Abstract ‘Bilyu 258’is a broccoli F1 hybrid developed by crossing cytoplasmic male sterile
line‘CMS401’as female parent and inbred line‘202’as male parent.It is of mid-maturity.It takes about
85 days from transplanting to harvest.The plant is of erect type.Its leaf blades are slightly wrinkled with
margin wavy and thick wax on leaf surface.Its head is semi-circular,compact with small and green buds,not
turnning violet even under low temperature.The single head weight is about 0.5 kg.Its VC content is 1 061
mg · kg-1(FW)and protein content is 3.32%.It is rich in mineral nutrients.Its resistance to TuMV and
black rot in fields is equivalent both to the contrasts‘Youxiu’and‘Naihanyouxiu’.It can yield about 19.5 t ·
hm-2.It is suitable for autumn cultivation in Beijing,Hebei,Tianjin and Henan.
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Received: 27 September 2020
Published: 04 November 2020
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