Growing Wine Grapes in 2050

Less than 30 years from now, growing grapes will be a lot more automated. This will save a significant amount of money now spent on vineyard management. There will be probes, sensors and drones checking on things like soil moisture and the vineyard canopy (managing the vines, shoots, and fruit). 

There may still be an occasional walk through the vineyard and maybe some manual work for the more premium fruit. Pruning in the winter and suckering in the spring will be automated (this is already being done in a few places). Whether the pruning and vine balancing will be up to the standards of the top vineyards by then I don't know, but it's coming someday with robotics.

Suckers on a grapevine will be removed mechanically

The harvest is already done mechanically in many places. For the most part, it's done for less expensive and higher production wines. As the quality and cost of mechanical harvesting improves, it will become more widespread. Self-driving tractors are starting to become an item and will first become the norm with the Central Valley's huge corporate farms.

Larger companies will have their own equipment and databases. Smaller vineyards will rent. The smallest may still do it the old-fashioned way. 

By 2050 there will be far fewer laborers in the vineyards and farm fields.

Mechanical grtape harvesting