It has been shown that the combination of the selections of Rhizobiumstrains and peanut varieties is of vital importance.
实践证明，选择根瘤菌株与花生品种组合发挥了根瘤菌剂的增产效果。
2
After inoculation of the two strains of Rhizobium legiiminosarum bv. viciae and hv. phaseoli , only the former could make nodule-like structures on the tobacco hairy roots.