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| A New Mid-early Maturing Chinese Cabbage F1 Hybrid with Resistance to Clubroot Disease—‘Liaobai 27’ |
| WANG Lili1，WANG Xin1*，WU Haidong1，WEN Qiang2 |
| （1Department of Horticulture，Liaoning Academy of Agricultural Sciences，Shenyang 110161，Liaoning，China；2Gaizhou Agricultural Service Center，Yingkou 115200，Liaoning，China） |
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Abstract ‘Liaobai 27’is a new mid-early maturing Chinese cabbage F1 hybrid developed by crossing self-incompatible line‘S5-1-2’as female parent and‘S6-1-2’as male parent．It takes about 65 days from sowing to harvest．Its plant type is erect，the plant is about 30 cm in height and 50 cm in width with green outer-leaves and green petiole，and its head center leaves are light yellow in color．Its leaf ball is of stump and overlapping type with about 22 cm in height and 15 cm in diameter．The single head weight is about 2 kg，and the yield is about 112.5 t·hm-2．The variety contains CRa and CRb resistant genes to clubroot．It’s resistant to clubroot disease and downy mildew，highly resistant to TuMV and soft rot．It is suitable to be cultivated in Liaoning，Jilin and Shandong region．
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Received: 31 August 2022
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