Abstract:

To explore the fertility and adaptability of main application buckwheat varieties in Bashang area of northern Hebei, 4 tartary buckwheat varieties and 2 common buckwheat varieties were used as materials to study for 5 consecutive years. The results showed that all the 6 buckwheat varieties were considered to have good resistance (to drought and barren), water and fertilizer tolerance, and relatively stable yield. ‘American common buckwheat’ was considered to be the most suitable variety of common buckwheat for planting in northern Hebei, with the yield of about 1078.5 kg/hm², followed by ‘Japanese big grain’ about 970.5 kg/hm², and common buckwheat required supplementary pollination for yield increase. ‘Jikuqiao No. 2’ was considered to be the most suitable variety of tartary buckwheat for planting in northern Hebei, with the yield of about 2745 kg/hm², followed by ‘Jikuqiao No. 1’ about 2442.0 kg/hm² and ‘Chuanqiao No. 1’ about 2395.5 kg/hm². It can be concluded that the common buckwheat should be used as a reserve crop because of its short growth period, and it is not suitable for early sowing in northern Hebei. The medium ripe tartary buckwheat variety has special adaptability in northern Hebei, with the relatively long growth period, ‘Heifeng No.1’ has high planting risk in better fertility soil. In general, the improvement of cultivation measures could increase the yield of common buckwheat, and both tartary buckwheat and common buckwheat have better adaptability in northern Hebei.

Key words: Buckwheat, Grain Yield, Multiyear in the Same Site, Average, Coefficient of Variation