What happens if calcium is deficient in vines?

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Multiple Choice

What happens if calcium is deficient in vines?

Explanation:
Calcium supports cell wall strength and is crucial for pollen tube growth during grape flowering. When calcium is deficient, pollen tubes often fail to grow properly, so fertilization is inefficient and many flowers do not develop into berries. That drop in fertilized flowers is what we call poor fruit set, which is the direct consequence of insufficient calcium. Other outcomes listed aren’t driven by calcium deficiency. Ca does not make vines taller, nor does it cause berries to ripen earlier, and berry sweetness is governed mainly by ripening conditions and sugar accumulation rather than calcium status.

Calcium supports cell wall strength and is crucial for pollen tube growth during grape flowering. When calcium is deficient, pollen tubes often fail to grow properly, so fertilization is inefficient and many flowers do not develop into berries. That drop in fertilized flowers is what we call poor fruit set, which is the direct consequence of insufficient calcium.

Other outcomes listed aren’t driven by calcium deficiency. Ca does not make vines taller, nor does it cause berries to ripen earlier, and berry sweetness is governed mainly by ripening conditions and sugar accumulation rather than calcium status.

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