What two factors should be balanced during Tokay grapevine pruning?

During Tokay grapevine pruning, it is essential to balance fruit load and canopy management to ensure the health and productivity of the vines. A well-managed fruit load is critical because it directly influences the quality and quantity of grapes produced. Excessive fruit load can lead to smaller fruit size, decreased sugar concentration, and an increased risk of disease due to overcrowding and poor air circulation.

On the other hand, canopy management involves regulating the growth and positioning of the vine's leaves and shoots. An adequately managed canopy allows for optimal sunlight penetration and air flow, which are vital for photosynthesis and grape ripening. Striking a proper balance between the fruit load and canopy management facilitates better sunlight exposure, improves grape quality, and helps maintain vine health, leading to a successful harvest.

The other options focus on aspects that, while important for overall vine care, do not specifically relate to the pruning process's immediate goals and effects.