Quality: postharvest · Spinacia oleracea (spinach)

1. poly(propylene)Positive and negative results2 papers: 1 positive, 1 negative or no effect
2. gamma-aminobutyric acidResults agree2 papers: 2 positive, 0 negative or no effect
3. storagePositive and negative results10 papers: 8 positive, 2 negative or no effect
4. lightPositive and negative results4 papers: 3 positive, 1 negative or no effect
5. irrigationPositive and negative results3 papers: 2 positive, 1 negative or no effect
6. ozonePositive and negative results2 papers: 1 positive, 1 negative or no effect
7. radiationPositive and negative results2 papers: 1 positive, 1 negative or no effect
8. fertilizationResults agree4 papers: 4 positive, 0 negative or no effect
9. botanicalResults agree2 papers: 2 positive, 0 negative or no effect

Claims are grouped by organism, treatment and what was measured or targeted. Claims that compare genotypes are left out; a claim about lacking a nutrient counts the other way round in that nutrient’s question. “Results differ” marks a question where two model reviewers, reading both claims, accepted at least one pair of papers whose results differ.