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Unsulfonated Residue (UR) 92% (minimum) Flash Point °F 345 (minimum) Viscosity SSU @ 100°F 62-80 Gravity API @ 60 ° F 30 (minimum) Distillation range @ 10 mm Hg 50%°F 412±/8 10-90%°F 80 (maximum) - Table 1.
Bud break percentage for six species of woody ornamentals following treatment with various concentrations of Sunspray 6E horticultural oil.
Plant species Control 2% Oil 4% Oil 6% Oil 8% Oil Pear 95 89 95 95 94 Sugar maple 74 84 88 92 87 Jap. maple 90 91 92 93 92 Hornbeam 84 84 83 82 84 Scots pine 88 86 88 94 91 Red pine 95 90 89 89 94 - Table 2.
Number of days to first bud break following application of Sunspray 6E to six species of woody ornamentals. Time periods are shown as minimum number of days, (average) and maximum number of days.
Plant species Control 2% Oil 4% Oil 6% Oil 8% Oil Pear 16 (16) 17 16 (16) 16 16 (17) 18 17 (17) 18 16 (19) 22 Sugar maple 16 (23) 30 18 (22) 25 18 (18) 18 19 (28) 37 19 (19) 19 Jap. maple Nearly 100% bud break by day +7 regardless of oil concentration Hornbeam 19 (24) 37 25 (29) 32 16 (19) 25 16 (27) 42 16 (21) 25 Scots pine Nearly all shoots started elongating about day +37 Red pine regardless of oil concentration - Table 3.
Shoot elongation in scots pine and red pine following treatment with various concentrations of Sunspray 6E horticultural oil. Measurements are in Inches.
Control 2% Oil 4% Oil 6% Oil 8% Oil Scots pine No. measured 69 77 56 57 63 Total length 166 181 192 140 195 Avg. length 2.4 2.4 3.4 2.5 3.1 Red pine No. measured 39 13 28 22 24 Total length 89 19 52 56 44 Avg. length 2.3 1.4 2.6 2.6 3.0 - Table 4.
Weekly entomology department greenhouse temperature ranges (°F) at Cornell University, Ithaca, NY, for the period March 8 - May 17,1987.
Week Maximum Minimum Mean 1 85 25 48 2 59 16 38 3 68 27 45 4 84 37 57 5 68 30 49 6 88 42 56 7 90 45 66 8 97 40 66 9 84 37 55 10 97 38 66 11 101 42 69
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