Arboriculture & Urban Forestry 43(4): July 2017 139 Table 3. Amount (µg/g palm tissue) of propiconazole (Alamo) detected in Cocos nucifera leaf rachis tissue at 3, 8, 13, and 18 weeks after application via pressurized injection in 2012. Meanz Palm replicate I II III IV Leaf location in canopyy Lower Middle Upper Lower Middle Upper Lower Middle Upper Lower Middle Upper Lower Middle Upper included in calculating the mean. y weeks, respectively. x 3 weeks Basal rachis 87 ± 12 72 ± 13 69 ± 7 105 ± 20 110 ± 13 105 ± 10 101 ± 6 97 ± 10 70 ± 7 123 ±13 116 ± 20 115 ± 16 104 ± 18 99 ± 22 90 ± 23 Distal rachis 56 ± 3 44 ± 7 56 ± 9 100 ± 14 111 ± 6 108 ± 9 75 ± 8 85 ± 7 61 ± 5 87 ± 9 107 ± 12 100 ± 11 80 ± 19 86 ± 27 81 ± 24 8 weeks Basal rachis 57 ± 9 56 ± 6 54 ± 11 97 ± 11 102 ± 5 76 ± 12 73 ±12 62 ± 5 60 ± 3 94 ± 11 89 ± 12 85 ± 13 80 ± 19 75 ± 19 69 ± 16 Distal rachis 62 ± 5 53 ± 4 49 ± 4 107 ± 9 111 ± 5 72 ± 10 63 ± 5 77 ± 12 48 ± 6 105 ± 12 112 ± 13 69 ± 7 Meanx 84 ± 23 85 ± 23 61 ± 14 ± SE 61 ± 16 58 ± 14 48 ± 11 60 ± 24 54 ± 16 32 ± 21 56 ± 8 59 ± 13 0 ± 0 46 ± 34 31 ± 31 0 ± 0 z Each value is the mean of six replicate cross sections of leaf rachises. At 18 weeks, propiconazole was detected in some sections, but at <1 µg/g; therefore, it was not Lower leaves were leaf numbers 10, 9, 8, and 7; middle leaves were leaf numbers 5, 4, 3, and 2; upper leaves were leaf numbers 1, 0, -1, and -2, at 3, 8, 13, and 18 Mean of 24 replicate cross sections of leaf rachises, across all four replicate palms, except at 18 weeks where the number of replicate cross sections would have been 18 for basal rachis tissue for all three leaf locations. Table 4. Amount (µg/g palm tissue) of thiabendazole (Arbotect) detected in Cocos nucifera leaf rachis tissue at 3, 8, 13, and 18 weeks after application via pressurized injection in 2012. Meanz Palm replicate I II III IV Leaf location in canopyy Lower Middle Upper Lower Middle Upper Lower Middle Upper Lower Middle Upper Lower Middle Upper weeks, respectively. x 3 weeks Basal rachis 106 ± 12 111 ± 14 147 ± 14 Distal rachis 109 ± 5 113 ± 8 141 ± 5 164 ± 17.3 165 ± 9 177 ± 21 155 ± 16 116 ± 5 103 ± 4 117 ± 7 112 ± 19 125 ± 17 110 ± 15 125 ± 27 129 ± 32 132 ± 23 156 ± 12 95 ± 9 138 ± 13 129 ± 7 118 ± 11 93 ± 9 102 ± 17 47 ± 6 127 ± 28 124 ± 24 102 ± 34 z Each value is the mean of six replicate cross sections of leaf rachises. y Lower leaves were leaf numbers 10, 9, 8, and 7; middle leaves were leaf numbers 5, 4, 3, and 2; upper leaves were leaf numbers 1, 0, -1, and -2, at 3, 8, 13, and 18 Mean of 24 replicate cross sections of leaf rachises, across all four replicate palms. 8 weeks Basal rachis 23 ± 3 31 ± 8 23 ± 4 147 ± 11 127 ± 12 130 ± 13 28 ± 9 30 ± 9 28 ± 10 76 ± 22 51 ± 15 81 ± 7 68 ± 51 68 ± 41 58 ± 44 Distal rachis 25 ± 4 31 ± 7 25 ± 5 118 ± 6 119 ± 8 73 ± 7 30 ± 3 23 ± 3 20 ± 2 64 ± 5 66 ± 12 56 ± 11 Meanx 60 ± 37 62 ± 39 52 ± 22 ± SE 35 ± 60 33 ± 48 15 ± 12 27 ± 48 28 ± 49 12 ± 20 21 ± 38 0 ± 0 0 ± 0 10 ± 17 0 ± 0 0 ± 0 ± SD 13 weeks Basal rachis 0 ± 0 0 ± 0 0 ± 0 139 ± 11 109 ± 38 27 ± 7 0 ± 0 0 ± 0 15 ± 9 0 ± 0 23 ± 16 17 ± 9 Distal rachis 0 ± 0 0 ± 0 0 ± 0 109 ± 12 112 ± 7 46 ± 4 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 18 weeks Basal rachis 0 ± 0 0 ± 0 0 ± 0 86 ± 16 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 Distal rachis 0 ± 0 0 ± 0 0 ± 0 39 ± 6 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 ± SD 13 weeks Basal rachis 41 ± 4 43 ± 5 33 ± 4 76 ± 7 76 ± 5 54 ± 12 50 ± 6 57 ± 6 48 ± 3 74 ± 8 55 ± 13 58 ± 7 Distal rachis 31 ± 3 39 ± 2 0 ± 0 94 ± 7 69 ± 7 44 ± 7 48 ± 5 39 ± 2 31 ± 5 68 ± 11 71 ± 9 52 ± 7 18 weeks Basal rachis Detected Detected 0 ± 0 57 ± 8 59 ± 15 0 ± 0 49 ± 3 61 ± 20 0 ± 0 62 ± 5 58 ± 3 0 ± 0 Distal rachis 0 ± 0 0 ± 0 0 ± 0 67 ± 5 54 ± 5 0 ± 0 0 ± 0 0 ± 0 0 ± 0 61 ± 11 68 ± 4 0 ± 0 ©2017 International Society of Arboriculture
July 2017
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