different genetic wheat varieties的用法和样例：
- The results showed that the yields of defferent wheat varieties were significantly different in K deficient soil.
- Quality character and biscuit baking property were surveied from 23 different soft wheat varieties.
- Gas exchange parameters of different wheat varieties were studied using hydroponic culture method.
- Aegilops species with D genome are the secondary gene pool of hexaploid common wheat for exploiting desired genes of wild species and enhancing the genetic diversity of commercial wheat varieties.
- To study the effect of row spacing on wheat yield and its constructed component, two different types of wheat varieties were studied with two row spacings.