Physiology: enzyme activity · Brassica napus (oilseed rape)

1. copper atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
2. paclobutrazolPositive and negative results2 papers: 1 positive, 1 negative or no effect
3. nitrogenPositive and negative results11 papers: 9 positive, 2 negative or no effect
4. otherPositive and negative results4 papers: 2 positive, 2 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.