Abstract: In order to study the difference in the morphological, yield and quality traits between volunteer wheat and common wheat, the common wheat variety Aikang 58 and 3 volunteer wheat varieties W14, W15 and W18 were used as test materials. The split zone tests of water treatment(main zone) and nitrogen application rate(secondary zone) were set up. The water treatment had two levels:normal water and waterlogging, and meanwhile the nitrogen treatment had three levels:no nitrogen(N₀), normal nitrogen application(225 kg/ha, N₂₂₅) and excessive nitrogen application(300 kg/ha, N₃₀₀). The results showed that under normal water and fertilizer management, the plant height of the volunteer wheat which had more tillers and smaller stem thickness than common wheat was 1.5-2.4 times higher than that of wheat, but the yield was less than 1/2 that of common wheat. In addition, the grain protein content, wet gluten content and water absorption of the W14, W15 and W18 were all higher than common wheat. Nitrogen treatment could increase the number of grains, yield, grain protein content, wet gluten content, water absorption, development time, stability time, flour yield, extension energy, resistance at constant deformation extensibility and maximum resistance. Normal nitrogen application(225 kg/ha) maximized the thousand-grain weight, yield, test weight and hardness of common wheat and volunteer wheat. Water had little effect on the morphology and yield of common wheat and volunteer wheat, but had an important effect on grain quality. In conclusion, water, variety and nitrogen had a significant impact on the grain quality of common wheat and volunteer wheat, which were the key factors that determine the grain quality of common wheat and volunteer wheat.

Key words: Wheat, Volunteer wheat, Quality characters, Water and nitrogen treatment

CLC Number: 

• S512.01