济麦20高产田产量结构指标与实现途径的探讨

Exploration on the High Yield Structural Index of the Good Quality Wheat Jimai 20 and Its Realization Path

对济麦20高产田产量构成因素的调查资料,通过通径分析及偏相关分析,探明了该品种高产田(500kg/666.7m2)3个产量构成因素对产量影响的直接效应与间接效应。揭示出其相互影响,此长彼消的变化规律,明确它们对产量的贡献,依次以穗数>穗粒数>千粒重,与此同时,根据产量结构模型,模拟得出不同产量的产量结构指标参数,并对实现小麦高产理想产量结构的途径,进行了探讨。

Through path and partial relation analysis on investigation data of the yield forming elements of Jimai 20 in the high productive field,this paper explored both the direct and indirect effect on the yield of the three yield forming elements of this variety in the high productive field(500kg/666.7m2),revealed their mutual influence and changing rules.Aware of their contribution to yield,in the order of ear number>particle number/ear>thousand particles weight,in the meantime,according to the yield struc...