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ARMYWORM, STINK BUG AND LEAFMINER CONTROL ON FRESH MARKET TOMATOES, SPRING 2006

ARMYWORM, STINK BUG AND LEAFMINER CONTROL ON FRESH MARKET TOMATOES, SPRING 2006 (E57) TOMATO: Lycopersicon esculentum Miller, ‘Sun Leaper’ David J. Schuster Gulf Coast Res. & Educ. Ctr. 14625 CR 672 Wimauma, FL 33598 Phone: 813-633-4124 Fax: 813-634-0001 Email: dschust@ifas.ufl.edu Southern armyworm: Spodoptera eridania (Cramer) Armyworm: Spodoptera latifascia (Walker) Southern Green Stink Bug: Nezara viridula Linnaeus Brown stink bug: Euschistus servus (Say) Leafminer: Liriomyza trifolii (Burgess) Transplants were set 21 Mar, 18 inches apart within the row on 8-inch-high and 32-inch-wide beds of Myakka fine sand covered with white polyethylene mulch. Each plot consisted of a single 18-ft long row with rows spaced 5 ft apart and 7 ft end to end. Treatments were replicated four times in a randomized complete block design and were applied with a 2.5 gal, hand-held CO -powered sprayer at 60 gpa on 25 Apr, 10 and 23 May, and at 90 gpa on 6 Jun (Table 1). The sprayer was fitted with a D-5 disk and #45 core and was operated at 60 psi. The number of Liriomyza trifolii leafmines ≥ 0.5 inch long were counted on 25 May and 8 Jun during a 1 min search of each plot by two individuals, and the numbers were totaled for analysis. On 10 May, the middle 10 plants of selected plots were shook and the numbers of beneficial insects dislodged were counted. Fruit were harvested on 31 May and 21 Jun from the middle 10 plants of each plot and the number and weight of non-damaged fruit and the number of fruit damaged by armyworm larvae and stink bugs were determined. The Liriomyza leafminer population was high for a spring crop. Coragen, Tesoro and the alternation of metaflumizone and Proclaim resulted in fewer leafmines on both sampling dates compared to the check, although fewest leafmines were consistently observed on plots sprayed with Coragen (Table 2). The armyworm population was low for a spring trial with about 15% of the fruit in the check plots being damaged (Table 5). Fewer fruit damaged by armyworm larvae, relative to non-sprayed check plots, were harvested from all treated plots on both harvest dates and for the total harvest (Tables 3-5). Populations of stink bugs were low for a spring trial, and no treatment resulted in fewer damaged fruit relative to the check on both harvest dates (Tables 3 & 4). N-215B and the 2 oz rate of Synapse resulted in fewer stink bug damaged fruit totaled over both harvests (Table 5). Only metaflumizone at the 11.4 oz rate resulted in fewer Geocoris spp. compared to the check (Table 6). No treatment resulted in fewer Orius, spiders or total predators compared to the check (Table 6). No foliar symptoms of phytotoxicity were observed with any treatment. Table 1 Date of Application 60 gpa 90 gpa Treatment/ Rate formulation* (amt/acre) 25 Apr 10 May 23 May 6 Jun Avaunt 30WG 3.5 oz X X X X + Kinetic 0.1& v/v X X X X Coragen 20SC 6.7 oz X X X X Coragen 20SC 5.1 oz X X X X Coragen 20SC 3.4 oz X X X X Metaflumizone 240SC 16.0 oz X X X X + Penetrator Plus 0.25% X X X X Metaflumizone 240SC 11.4 oz X X X X + Penetrator Plus 0.25% X X X X + Asana XL 0.66EC 9.7 oz X X X X Metaflumizone 240SC 16.0 oz X X X X + Penetrator Plus 0.25% X X X X alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% X X X X N-215B 1.0% X X X X Synapse 24WG 3.0 oz X X X X Synapse 24WG 2.0 oz X X X X Proclaim 50SG 4.0 oz X X X X + Dyne-Amic 0.1% X X X X Rimon 0.83EC 12.0 oz X X X X Tesoro 4EC 6.4 oz X X X X *A “+” indicates that the products were combined. Table 2 No. leafmines/1 min search Treatment/ Rate formulation* (amt/acre) 24 May 8 Jun Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 202 184 Coragen 20SC 6.7 oz 22 85 Coragen 20SC 5.1 oz 23 104 Coragen 20SC 3.4 oz 43 102 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 210 178 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 196 120 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 179 148 alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 113 172 N-215B 1.0% 245 151 Synapse 24WG 3.0 oz 145 160 Synapse 24WG 2.0 oz 227 174 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 196 153 Rimon 0.83EC 12.0 oz 208 155 Tesoro 4EC 6.4 oz 85 141 Check --- 239 197 LSD (P = 0.05) --- 51 39 *A "+" indicates that products were combined. Table 3 Fruit yield/10 plants on 31 May Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 160 61.4 1 0.5 9 5.5 Coragen 20SC 6.7 oz 167 63.9 1 0.3 6 3.6 Coragen 20SC 5.1 oz 155 57.9 1 0.5 6 3.1 Coragen 20SC 3.4 oz 149 58.0 1 0.3 13 8.4 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 154 57.8 1 0.4 8 4.9 Metaflumizone 240SC 11.4 oz 150 55.2 2 1.0 9 5.4 + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz Metaflumizone 240SC 16.0 oz 158 58.9 2 1.2 16 8.6 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 172 68.5 2 0.9 12 6.2 N-215B 1.0% 148 56.2 6 3.7 8 5.3 Synapse 24WG 3.0 oz 137 55.9 1 0.9 6 3.9 Synapse 24WG 2.0 oz 136 50.9 2 1.2 3 2.3 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 148 60.3 6 3.7 7 4.1 Rimon 0.83EC 12.0 oz 135 53.0 4 2.6 5 3.2 Tesoro 4EC 6.4 oz 158 60.1 2 1.8 7 3.7 Check --- 136 47.3 18 11.9 18 10.2 LSD (P = 0.05) --- 43 18.9 8 5.7 11 6.1 *Indicates that the products were combined. Table 4 Fruit yield/10 plants on 21 Jun Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 64 22.3 < 1 0.2 28 28.4 Coragen 20SC 6.7 oz 103 31.1 1 0.4 20 16.1 Coragen 20SC 5.1 oz 101 31.2 1 0.4 14 13.1 Coragen 20SC 3.4 oz 102 31.7 2 1.4 19 14.1 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 78 24.4 2 2.0 24 22.7 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 81 24.4 1 0.5 18 17.9 Metaflumizone 240SC 16.0 oz 97 28.4 4 3.5 17 16.0 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 98 33.2 2 1.3 17 14.1 N-215B 1.0% 114 35.1 5 3.7 11 8.9 Synapse 24WG 3.0 oz 114 35.4 3 2.2 18 12.1 Synapse 24WG 2.0 oz 117 35.2 2 1.4 10 7.9 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 110 31.8 1 1.0 21 16.2 Rimon 0.83EC 12.0 oz 105 34.7 3 2.4 16 14.4 Check --- 20 5.9 12 21.1 24 53.3 LSD (P = 0.05) --- 37 12.2 4 7.2 16 16.9 *Indicates that the products were combined. Table 5 Total fruit yield/10 plants Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 224 83.7 1 0.4 37 13.8 Coragen 20SC 6.7 oz 271 95.0 1 0.3 26 8.9 Coragen 20SC 5.1 oz 256 89.1 1 0.4 20 7.2 Coragen 20SC 3.4 oz 251 89.7 3 0.9 31 11.0 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 232 82.2 3 1.0 32 11.5 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 231 79.6 2 0.8 27 10.1 Metaflumizone 240SC 16.0 oz 255 87.3 6 1.9 33 11.0 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 270 101.7 3 1.1 29 9.5 N-215B 1.0% 263 91.2 10 3.6 19 6.7 Synapse 24WG 3.0 oz 251 91.2 4 1.5 23 8.0 Synapse 24WG 2.0 oz 252 86.1 4 1.4 13 4.9 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 258 92.1 8 2.5 27 9.3 Rimon 0.83EC 12.0 oz 239 87.7 7 2.5 20 7.7 Check --- 156 53.3 30 14.5 42 18.5 LSD (P = 0.05) --- 49 20.9 11 5.4 23 7.8 *Indicates that the products were combined. Table 6 No. predators dislodged/10 plants on 10 May True bugs Treatment/ Rate Total formulation* (amt/acre) Geocoris Orius Spiders predators Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 2 1 7 10 Coragen 20SC 6.7 oz 3 1 4 8 Coragen 20SC 5.1 oz 3 1 6 9 Coragen 20SC 3.4 oz 3 1 10 13 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 2 1 8 11 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 4 2 10 16 Metaflumizone 240SC 16.0 oz 3 1 7 11 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 2 < 1 7 10 Check --- 5 1 6 12 LSD (P = 0.05) --- 2 1 4 5 *A "+" indicates that products were combined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

ARMYWORM, STINK BUG AND LEAFMINER CONTROL ON FRESH MARKET TOMATOES, SPRING 2006

Arthropod Management Tests , Volume 32 (1) – Jan 1, 2007

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Abstract

(E57) TOMATO: Lycopersicon esculentum Miller, ‘Sun Leaper’ David J. Schuster Gulf Coast Res. & Educ. Ctr. 14625 CR 672 Wimauma, FL 33598 Phone: 813-633-4124 Fax: 813-634-0001 Email: dschust@ifas.ufl.edu Southern armyworm: Spodoptera eridania (Cramer) Armyworm: Spodoptera latifascia (Walker) Southern Green Stink Bug: Nezara viridula Linnaeus Brown stink bug: Euschistus servus (Say) Leafminer: Liriomyza trifolii (Burgess) Transplants were set 21 Mar, 18 inches apart within the row on 8-inch-high and 32-inch-wide beds of Myakka fine sand covered with white polyethylene mulch. Each plot consisted of a single 18-ft long row with rows spaced 5 ft apart and 7 ft end to end. Treatments were replicated four times in a randomized complete block design and were applied with a 2.5 gal, hand-held CO -powered sprayer at 60 gpa on 25 Apr, 10 and 23 May, and at 90 gpa on 6 Jun (Table 1). The sprayer was fitted with a D-5 disk and #45 core and was operated at 60 psi. The number of Liriomyza trifolii leafmines ≥ 0.5 inch long were counted on 25 May and 8 Jun during a 1 min search of each plot by two individuals, and the numbers were totaled for analysis. On 10 May, the middle 10 plants of selected plots were shook and the numbers of beneficial insects dislodged were counted. Fruit were harvested on 31 May and 21 Jun from the middle 10 plants of each plot and the number and weight of non-damaged fruit and the number of fruit damaged by armyworm larvae and stink bugs were determined. The Liriomyza leafminer population was high for a spring crop. Coragen, Tesoro and the alternation of metaflumizone and Proclaim resulted in fewer leafmines on both sampling dates compared to the check, although fewest leafmines were consistently observed on plots sprayed with Coragen (Table 2). The armyworm population was low for a spring trial with about 15% of the fruit in the check plots being damaged (Table 5). Fewer fruit damaged by armyworm larvae, relative to non-sprayed check plots, were harvested from all treated plots on both harvest dates and for the total harvest (Tables 3-5). Populations of stink bugs were low for a spring trial, and no treatment resulted in fewer damaged fruit relative to the check on both harvest dates (Tables 3 & 4). N-215B and the 2 oz rate of Synapse resulted in fewer stink bug damaged fruit totaled over both harvests (Table 5). Only metaflumizone at the 11.4 oz rate resulted in fewer Geocoris spp. compared to the check (Table 6). No treatment resulted in fewer Orius, spiders or total predators compared to the check (Table 6). No foliar symptoms of phytotoxicity were observed with any treatment. Table 1 Date of Application 60 gpa 90 gpa Treatment/ Rate formulation* (amt/acre) 25 Apr 10 May 23 May 6 Jun Avaunt 30WG 3.5 oz X X X X + Kinetic 0.1& v/v X X X X Coragen 20SC 6.7 oz X X X X Coragen 20SC 5.1 oz X X X X Coragen 20SC 3.4 oz X X X X Metaflumizone 240SC 16.0 oz X X X X + Penetrator Plus 0.25% X X X X Metaflumizone 240SC 11.4 oz X X X X + Penetrator Plus 0.25% X X X X + Asana XL 0.66EC 9.7 oz X X X X Metaflumizone 240SC 16.0 oz X X X X + Penetrator Plus 0.25% X X X X alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% X X X X N-215B 1.0% X X X X Synapse 24WG 3.0 oz X X X X Synapse 24WG 2.0 oz X X X X Proclaim 50SG 4.0 oz X X X X + Dyne-Amic 0.1% X X X X Rimon 0.83EC 12.0 oz X X X X Tesoro 4EC 6.4 oz X X X X *A “+” indicates that the products were combined. Table 2 No. leafmines/1 min search Treatment/ Rate formulation* (amt/acre) 24 May 8 Jun Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 202 184 Coragen 20SC 6.7 oz 22 85 Coragen 20SC 5.1 oz 23 104 Coragen 20SC 3.4 oz 43 102 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 210 178 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 196 120 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 179 148 alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 113 172 N-215B 1.0% 245 151 Synapse 24WG 3.0 oz 145 160 Synapse 24WG 2.0 oz 227 174 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 196 153 Rimon 0.83EC 12.0 oz 208 155 Tesoro 4EC 6.4 oz 85 141 Check --- 239 197 LSD (P = 0.05) --- 51 39 *A "+" indicates that products were combined. Table 3 Fruit yield/10 plants on 31 May Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 160 61.4 1 0.5 9 5.5 Coragen 20SC 6.7 oz 167 63.9 1 0.3 6 3.6 Coragen 20SC 5.1 oz 155 57.9 1 0.5 6 3.1 Coragen 20SC 3.4 oz 149 58.0 1 0.3 13 8.4 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 154 57.8 1 0.4 8 4.9 Metaflumizone 240SC 11.4 oz 150 55.2 2 1.0 9 5.4 + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz Metaflumizone 240SC 16.0 oz 158 58.9 2 1.2 16 8.6 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 172 68.5 2 0.9 12 6.2 N-215B 1.0% 148 56.2 6 3.7 8 5.3 Synapse 24WG 3.0 oz 137 55.9 1 0.9 6 3.9 Synapse 24WG 2.0 oz 136 50.9 2 1.2 3 2.3 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 148 60.3 6 3.7 7 4.1 Rimon 0.83EC 12.0 oz 135 53.0 4 2.6 5 3.2 Tesoro 4EC 6.4 oz 158 60.1 2 1.8 7 3.7 Check --- 136 47.3 18 11.9 18 10.2 LSD (P = 0.05) --- 43 18.9 8 5.7 11 6.1 *Indicates that the products were combined. Table 4 Fruit yield/10 plants on 21 Jun Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 64 22.3 < 1 0.2 28 28.4 Coragen 20SC 6.7 oz 103 31.1 1 0.4 20 16.1 Coragen 20SC 5.1 oz 101 31.2 1 0.4 14 13.1 Coragen 20SC 3.4 oz 102 31.7 2 1.4 19 14.1 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 78 24.4 2 2.0 24 22.7 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 81 24.4 1 0.5 18 17.9 Metaflumizone 240SC 16.0 oz 97 28.4 4 3.5 17 16.0 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 98 33.2 2 1.3 17 14.1 N-215B 1.0% 114 35.1 5 3.7 11 8.9 Synapse 24WG 3.0 oz 114 35.4 3 2.2 18 12.1 Synapse 24WG 2.0 oz 117 35.2 2 1.4 10 7.9 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 110 31.8 1 1.0 21 16.2 Rimon 0.83EC 12.0 oz 105 34.7 3 2.4 16 14.4 Check --- 20 5.9 12 21.1 24 53.3 LSD (P = 0.05) --- 37 12.2 4 7.2 16 16.9 *Indicates that the products were combined. Table 5 Total fruit yield/10 plants Insect damaged fruit Non-damaged fruit Armyworm Stink bugs Treatment/ Rate formulation* (amt/acre) No. Weight No. Percent No. Percent Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 224 83.7 1 0.4 37 13.8 Coragen 20SC 6.7 oz 271 95.0 1 0.3 26 8.9 Coragen 20SC 5.1 oz 256 89.1 1 0.4 20 7.2 Coragen 20SC 3.4 oz 251 89.7 3 0.9 31 11.0 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 232 82.2 3 1.0 32 11.5 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 231 79.6 2 0.8 27 10.1 Metaflumizone 240SC 16.0 oz 255 87.3 6 1.9 33 11.0 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% N-215 1.0% 270 101.7 3 1.1 29 9.5 N-215B 1.0% 263 91.2 10 3.6 19 6.7 Synapse 24WG 3.0 oz 251 91.2 4 1.5 23 8.0 Synapse 24WG 2.0 oz 252 86.1 4 1.4 13 4.9 Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 258 92.1 8 2.5 27 9.3 Rimon 0.83EC 12.0 oz 239 87.7 7 2.5 20 7.7 Check --- 156 53.3 30 14.5 42 18.5 LSD (P = 0.05) --- 49 20.9 11 5.4 23 7.8 *Indicates that the products were combined. Table 6 No. predators dislodged/10 plants on 10 May True bugs Treatment/ Rate Total formulation* (amt/acre) Geocoris Orius Spiders predators Avaunt 30WG 3.5 oz + Kinetic 0.1& v/v 2 1 7 10 Coragen 20SC 6.7 oz 3 1 4 8 Coragen 20SC 5.1 oz 3 1 6 9 Coragen 20SC 3.4 oz 3 1 10 13 Metaflumizone 240SC 16.0 oz + Penetrator Plus 0.25% 2 1 8 11 Metaflumizone 240SC 11.4 oz + Penetrator Plus 0.25% + Asana XL 0.66EC 9.7 oz 4 2 10 16 Metaflumizone 240SC 16.0 oz 3 1 7 11 + Penetrator Plus 0.25% alt. Proclaim 5SG 4.0 oz + Dyne-Amic 0.1% Proclaim 50SG 4.0 oz + Dyne-Amic 0.1% 2 < 1 7 10 Check --- 5 1 6 12 LSD (P = 0.05) --- 2 1 4 5 *A "+" indicates that products were combined.

Journal

Arthropod Management TestsOxford University Press

Published: Jan 1, 2007

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