The Rhizobium Supply Service in Papua New Guinea.

Abstract

This report of the Rhizobium Supply Service in Papua New Guinea since its inception in 1956 includes an account of the history of the service, the strains used and their origins. Up till June, 1971 nearly 18,000 bottles of inoculum were supplied to local growers and to some overseas countries, mainly for legumes of economic importance. The results of field sowings of inoculated and uninoculated seed are given these showed, among other things, that in 36.9 per cent of the cases recorded uninoculated plants had nodulation as effective as occurred on the inoculated plants and that in 36.8 per cent of the cases plants derived from inoculated seed performed better than the uninoculated controls. The details of performances in field sowings are also given for some selected legumes.