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| A New Jerusalem Artichoke Variety —‘Qingyu No.7’ |
| ZHAO Mengliang，WANG Jingui，ZHENG Kaifu，REN Yanjing* |
| Qinghai University，Xining 810016，Qinghai，China |
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Abstract ‘Qingyu No.7’is a new breed of processed middle and late maturity Jerusalem artichoke，which was selected and bred by single plant system．The whole growth period was about 175 days，the plant height was 160-200 cm，and the number of branches was 17-22．The tubers were nodular，with red skin and white fl esh，average tuber weight 36.2 g，smooth surface and few fi brous roots．The dry matter content is 192.0 g·kg-1，soluble sugar content is 57.0 g·kg-1，crude protein content is 20.6 g·kg-1，and crude fi ber content is 6.7 g·kg-1．The yield can reach 87 t·hm-2，which is suitable for planting in riparian land and shallow mountains in Qinghai Province．
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Received: 20 November 2023
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