Inoculum n. (Microbiology) The preparation of microorganisms which is inoculated (5) into a growth medium; as, a small inoculum may not work well for the production phase of a fermentation.
... species unless trees in the vicinity that are already diseased are destroyed. Nurserymen growing trees of the Japanese walnut, butternut, and Persian walnut should be sure that no diseased trees which might infect the nursery trees are close to their nurseries. It is not known how far the inoculum may be carried, but at this time it would seem that in order to be reasonably safe no diseased tree should be allowed to grow within a mile radius of a nursery. Infected nursery trees (or scions) probably constitute the most important means of long-distance spread for ... — Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting • Northern Nut Growers Association
...
