用巴西固氮螺菌8018菌株菌肥拌黔单4号和京杂6号玉米种子于普定县三块田村进行了田间应用实验。
The yield response of two common corn cultivars (Qiandan NO. 4 and Jingza NO. 6) to inoculation with Azospirillum brasilense strain 8018 was studied under field condition in Puding county.
以5号菌株为出发菌株，经过紫外线诱变，用刚果红纤维素平板透明圈选育法得到8号菌株。
Strain 5 was continually mutagenized by ultraviolet radiation, strain 8 was selected on the cellulose-congo red medium on the ground that can shape better transparent ring.
通过多种培养基的筛选、生长曲线测定筛选出4号菌株，并对其发酵条件进行优化。
Strain No. 4 was screened out with kinds of culture mediums and growth curves, and the conditions of its fermentation were optimized.
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