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１引言自然界大多数植物不具备共生固氮系统．在非豆科中除Ｐａｒａｓｐｏｎｉａ［８］外，至今还未发现其它非豆科植物能像豆科植物一样与根瘤菌形成共生．聂延富报道了２．４Ｄ能使小麦根系诱导结瘤的作用［２］．ＡｌＭａｌｅｎ等研究了根瘤菌在水稻和油菜幼苗根系...
1 Introduction Most plants in nature do not have the symbiotic nitrogen fixation system. In non-legumes except Parasponia [8], so far no other non-legumes found symbiosis with rhizobium as legumes. Nie Yan Fu reported that 2.4 D can induce root nodulation in wheat [2]. Al Malen and other research Rhizobium in rice and rape seedlings root system ...