- salicylic acidPositive and negative results6 papers: 5 positive, 1 negative or no effect
- sodium nitroprussidePositive and negative results4 papers: 3 positive, 1 negative or no effect
- calcium atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- nitric oxidePositive and negative results3 papers: 2 positive, 1 negative or no effect
- 1-methylcyclopropeneResults agree5 papers: 5 positive, 0 negative or no effect
- melatoninResults agree5 papers: 5 positive, 0 negative or no effect
- chitosanResults agree4 papers: 4 positive, 0 negative or no effect
- oxalic acidResults agree3 papers: 3 positive, 0 negative or no effect
- (-)-methyl jasmonateResults agree2 papers: 2 positive, 0 negative or no effect
- Trichoderma virideResults agree2 papers: 2 positive, 0 negative or no effect
- acibenzolar-S-methylResults agree2 papers: 2 positive, 0 negative or no effect
- heatPositive and negative results8 papers: 7 positive, 1 negative or no effect
- uvPositive and negative results5 papers: 1 positive, 4 negative or no effect
- droughtPositive and negative results4 papers: 1 positive, 3 negative or no effect
- coldPositive and negative results2 papers: 1 positive, 1 negative or no effect
- infectionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- storageResults agree7 papers: 7 positive, 0 negative or no effect
- processingResults agree3 papers: 3 positive, 0 negative or no effect
- 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.