Physiology: gas exchange · Solanum tuberosum (potato)

1. etheneResults agree2 papers: 0 positive, 2 negative or no effect
2. droughtPositive and negative results6 papers: 2 positive, 4 negative or no effect
3. fertilizationPositive and negative results4 papers: 3 positive, 1 negative or no effect
4. inoculationPositive and negative results4 papers: 1 positive, 3 negative or no effect
5. co2Positive and negative results3 papers: 2 positive, 1 negative or no effect
6. applicationPositive and negative results2 papers: 1 positive, 1 negative or no effect
7. nitrogenPositive and negative results2 papers: 1 positive, 1 negative or no effect
8. ozonePositive and negative results2 papers: 1 positive, 1 negative or no effect
9. infectionResults agree6 papers: 0 positive, 6 negative or no effect
10. salinityResults agree5 papers: 0 positive, 5 negative or no effect
11. heatResults agree3 papers: 0 positive, 3 negative or no effect
12. irrigationResults agree2 papers: 0 positive, 2 negative or no effect
13. otherResults 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.