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本试验以山东省不同时期主栽冬小麦品种为试验材料,从产量性状、形态性状和干物质转运分配等不同角度,对多个性状进行了研究和分析。结果表明:(1)随品种更新,形态性状趋于合理,株高降低并趋于稳定,冠层结构更加理想;(2)灌浆速率随着小麦的演进呈增加趋势,近代冬小麦品种的灌浆速率趋于平稳,受环境的影响较小;(3)小麦品种的产量结构性状更加利于生产力的提高,但随着品种的演进,结构性状的改良幅度越来越小,提高产量的难度逐渐加大。
In this experiment, the main winter wheat cultivars in different periods of Shandong Province were used as experimental materials, and several traits were studied and analyzed from different aspects of yield traits, morphological traits and dry matter transport and distribution. The results showed that: (1) With the variety updating, the morphological traits tended to be reasonable, the plant height decreased and stabilized, and the canopy structure was more ideal. (2) The filling rate increased with the development of wheat and the filling rate of modern winter wheat varieties Tends to be stable and less affected by the environment. (3) Yield and yield traits of wheat varieties are more conducive to the improvement of productivity, but with the evolution of varieties, the improvement of structural traits is getting smaller and smaller, and the difficulty of increasing yield gradually increases .