Poor Fruit Set on Grape
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Poor fruit set results in poor cluster development, reduced fruit quality, and low yield. Causes can include inadequate vine nutrition and an unbalanced carbon-tonitrogen ratio, unfavorable weather conditions (cold, cloudy, wet), and/or early fungal disease development.
Poor fruit set and berry development.
(Photo: John Strang, University of Kentucky)
Management:
- Maintain proper vine nutrition.
- Maintain an early-season spray program.
