以山西省58个小麦品种为研究对象，研究了株高、成穗数、穗粒数、千粒重、单产、发芽率、发芽势、苗高、根长、根数等性状间的相关关系。结果表明，58个小麦品种的产量主要构成因素为成穗数、穗粒数、千粒重。旱地小麦的产量主要构成因素为成穗数、穗粒数，水地小麦的产量主要构成因素为成穗数和苗高。

In the study， 58 wheat cultivars were used as experimental materials to explore the correlations between plant height， ear numbe， kernels per spike， 1000-grains weight， yield， germination rate， germination potential， seedling height， root length and root number. The results show that the main factors of yield of 58 wheat cultivars are ear numbe， kernels per spike， 1000-grains weigh； The main factors of yield of dryland wheat are ear numbe and kernel number per ear； The main factors of yield of irrigationland wheat are ear numbe and seedling height.

S512.1