If a vine is weak, how should you manage its bearing units after pruning?

When managing a weak vine after pruning, it is essential to leave fewer bearing units. This practice helps in directing the plant's energy into the remaining units, allowing the vine to focus on producing quality fruit rather than spreading its resources too thin. A vine that is weak typically cannot support a full load of fruit, so reducing the number of bearing units helps enhance fruit quality and encourages the overall health of the vine. By pruning to include fewer bearing units, the vine can regain strength over time, potentially leading to better yields in future seasons once it has had the chance to recover. This strategic reduction aligns with sustainable vine management practices, ensuring the long-term viability and productivity of the grapevine.