本文对慢性根瘤菌属（Ｂｒａｄｙｈｉｚｏｂｉｕｍ）３个已知种及从１０种豆科植物中分离的３２株慢生根瘤菌进行了１６Ｓ－２３ＳｒＤＮＡＩＧＳ的ＲＦＬＰ分析，ＩＧＳ的ＰＣＲ产物电泳只出现一条ｒＤＮＡ片段，但表现在长度上菌株间有一......

Peanut root invasion by Bradyrhizobia is through a crack entry, which is different from many other legumes applying an i......