Aging grape vines may hold secret to naturally pest-resistant grapes
Scientists in Nova Scotia's Annapolis Valley are examining ways to cut down on pesticide and fertilizer use in vineyards. They're using the province's grape growing past as their laboratory. Richard Cuthbertson reports.
2:43
2:06
3:35
2:09
20:19
4:55
1:48
1:59
2:11
2:08
