Article Figures & Data
Figures
- Figure 1.
Collection sites for Cornus florida seeds. Collection sites are denoted with black dot, W. K. Kellogg Forest with an open square, and East Lansing, Michigan with a black square.
Tables
- Table 1.
A comparison of open hilltop and shade grown trees. T50 of Cornus florida twigs sampled from trees grown from seeds of different geographic origin. Trees were grown in a provenance planting in Kalamazoo County Michigan. 2-1-82.
Origin (Seed source) T50 Open hilltop Shade grown Northern and northern Appalachian states Pennsylvania -34.5a -33.0ab Michigan -34.5a -33.0ab Virginia -34.5a -26.5 b W. Virginia -34.5a -26.0b Ohio -34.5a -34.5a mean -34.5 -30.6 Central and coastal plain states Maryland -34.5a Connecticut -25.5c -28.5ab Missouri -27.5 be -34.5a Illinois -26.5 bc -34.5a New Jersey -34.5a -34.5a Kentucky -33.5ab -34.5a mean -30.3 -33.3 Southern states Georgia -28.5abc -30.0ab Tennessee -30.5ab -30.0ab mean -29.5 -30.0 a) T50’s were separated by Chi-Square at p.=05. T50’s followed by the same letter are not significantly different.
- Table 2
Summary of ratings for Cornus florida growing on an open hilltop in Michigan, ranked by T50.
Origin (Seed source) Feb T50 1982 Canker ratinga Flower ratingb Fall leaf colorc % Alived New Jersey -34.5 1.0 3.7 14 100 Michigan -34.5 1.8 3.5 15 92 Pennsylvania -34.5 1.8 4.3 12 80 Ohio -34.5 1.9 4.0 9 88 Virginia -34.5 2.0 3.2 16 95 Maryland -34.5 2.1 3.8 13 88 W. Virginia -34.5 2.4 3.7 12 67 Kentucky -33.5 2.4 2.4 11 88 Tennessee -30.5 2.3 2.5 0 71 Georgia -28.5 2.4 1.3 2 27 Missouri -27.4 2.0 3.3 2 100 Illinois -26.6 2.6 3.3 2 91 Connecticut -25.5 1.3 2.6 11 86 Alabama — 2.8 1.9 11 50 Texas — 2.9 1.3 — 39 Louisiana — — — — 0 Mississippi — — — — 0
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