Evaluation of Vicia sativa germplasm resources in Gausu

In the present study, germplasm resources of 42 Vicia sativa varieties were evaluated to screen optimal V. sativa varieties for planting green manure in Gausu. Results showed that there were obvious differences in the tested trait indices of germplasm resources of 42 V. sativa, in which pods per plant and grains per plant were the main elements of V. sativa production. Four indices including grain yield, fresh yield, grains per plant and pods per plant indicated characteristics of V. sativa which can clustered these 42 varieties into four groups. Seven varieties belonged to groupⅠ and groupⅡ which had grain yield and fresh yield of 2 623.26～2 990.25 and 32 357.70～35 967.38 kgha-1, respectively. Sujian 3, Longjian 1 and 333/A belonged to early maturing varieties which were optimal for five culture including intercropping and multiple cropping after wheat crops harvest, early maize intercropping, green manure intercropped with potato, green manure intercropped with fruit tree and green manure monocropping. Shanxi spring V. sativa and MB5/794 belonged to midmaturing varieties which were optimal for intercropped with potato, and fruit tree and monocropped. Ximu 820 and Polish Vicia sativa belonged to latematuring varieties which were optimal for intercropped with fruit tree and monocropped.