Study on the Utilization of Arbuscular Mycorrhizal Fungi in Kidney Bean Cultivation. Differences in kidney bean growth resulting from the infection of six species of arbuscular mycorrhizal fungi.

Abstract

Six species of arbuscular mycorrhizal fungi were inoculated into kidney bean in low available phosphorus soil to clarify useful species in the cultivation of kidney bean. The arbuscular mycorrhizal fungi used in the experiment were Gigaspora ramisporophora, Gigaspora margarita, Glomus caledonium, Glomus fasciculatum, Glomus mosseae and Glomus sp. When 1000 spores of arbuscular mycorrhizal fungi were inoculated in 1/5000a pot, the infection rate was greater in plots with Glomus caledonium and Glomus mosseae in comparison with the other plots. The growth and grain yield of kidney bean were improved in all inoculated plots. The plots inoculated with Glomus caledonium and Glomus mosseae were enhanced in growth and grain yield more than the other inoculated plots were. The grain yields of the plots inoculated with 5000 spores of Glomus mosseae and the plot to which phosphorus was applied were not as much. From these facts, it was determined that, inoculation of arbuscular mycorrhizal fungi was useful for kidney bean cultivation in a low available phosphorus condition. Particularly, Glomus mosseae was the most useful species among the six species used.