Assertion: ethylene's effect | /r/CapableOf | become significant
Facets:
value: at stage
type: TEMPORAL
value: statistically
type: MANNER
Source sentences:
text: The width of stage‐I primordia generally increased upon treatment with 0.04 μm ACC, and the effect became statistically significant at stage II, increasing in all examined roots, apparently as a result of cell enlargement (Figure 4b).