A new root vegetable called “wobbie,” a cross between a carrot and a beet, with three to four times more vitamin C than either, is already under wide cultivation in The Netherlands.

Food-front news reported last week:

>New strains of cabbage that have up to twice as much vitamin C as the old varieties have been developed at the Department of Agriculture’s regional laboratory in Charleston. S.C., but seed is not likely to be available to gardeners for several years.

>A new…