Snowgoose cherry (Prunus serrulata) conditions 14 months after planting in 200 ft3 of soil medium covered with concrete.
Treatment | Average trunk diameter (cm) | Average diameter change since planting (cm) | Average twig growth 2005 (cm) | Average visual foliar rating (0–5 scale) | Average SPAD | Average SPAD change since planting | Average visual dieback (percentage of crown) | Total root length at rhizotron window (cm) |
---|---|---|---|---|---|---|---|---|
Gravel/soil | 2.77 a* | 0.433 a | 10.13 b | 3.83 ab | 42.35 b | −6.3 ab | 5.83 a | 1580 |
Stalite/soil | 2.68 a | 0.283 bc | 9.37 b | 3.17 bc | 40.63 bc | −2.3 ab | 12.50 a | 24 |
Stalite | 2.53 b | 0.183 c | 2.23 b | 2.67 c | 36.05 c | −6.7 ab | 15.83 a | 774 |
Compacted soil | 2.75 a | 0.350 ab | 7.80 b | 3.17 bc | 39.15 bc | −8.6 b | 31.67 b | 37 |
Noncompacted soil | 2.80 a | 0.417 a | 21.70 a | 4.33 a | 47.47 a | −0.25 a | 9.17 a | 1415 |
↵* Means with the same letter were not significantly different as determined by analysis of variance with Student-Newman-Keuls separation of mean (P = 0.05).