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Insecticide Evaluation, 1993

Insecticide Evaluation, 1993 Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 A: POME FRUITS Arthropod Management Tests, Vol. 19 5 APPLE: Malus domestica Borkhauser, 'Rome Beauty', 'Golden Henry W. Hogmire, Tim Winfield, Chris Grove, Kate Collins (5A) Delicious' & Jill Jilek Spirea aphid (SA); Aphis spiraecola Patch WVU Experiment Farm Spotted tentiform leafminer (STLM); Phyllonorycter blancardella P.O. Box 609 (F.) Kearneysville, WV 25430 Rose leafhopper (RLH); Edwardsiana rosae (L.) White apple leafhopper (WALH); Typhlocyba pomaria McAtee European red mite (ERM); Panonychus ulmi (Koch) Codling moth (CM); Cydia pomonella (L.) Oriental fruit moth (OFM); Grapholita molesta (Busck) Tufted apple bud moth (TABM); Platynota idaeusalis (Walker) Redbanded leafroller (RBLR); Argyrotaenia velutinana (Walker) INSECTICIDE EVALUATION, 1993: This experiment was conducted in a 5.4 acre block of 39-yr-old trees, which measured 16.5 ft. in height antl 23 ft. in width and were planted 20 X 40 ft. apart. The experimental design for the first 7 treatments and the check consisted of 6 single-tree plots (3 'Rome Beauty', 3 'Golden Delicious') in a randomized block design. The experimental design for treatments of S-71639 and Fenoxycarb consisted of 3 replications of 9-tree plots (3 rows X 3 trees/row) in a randomized block design, with insect data taken from the center tree ('Rome Beauty') in each plot. Insecticides were applied with a Swanson DA500A airblast sprayer which traveled at 2.4 mph. A spray volume of 300 gpa was used in the delayed dormant application of oil in the first treatment, with all other treatments applied at 100 gpa. Dates of application were 14 Apr (delayed dormant |DD]), 24 Apr (prepink [PP]), 14 May (petal fall [PFJ), 27 May (first cover [1C]), 14 Jun (second cover [2C]), 29 Jun (third cover [3C]), 15 Jul (fourth cover [4CD, 30 Jul (fifth cover [5C]), 12 Aug (sixth cover [6C]), 26 Aug (seventh cover [7C]), and 8 Sep (eighth cover [8C]). Other materials applied separately to all treatments were Bayleton, Captan, Dodine, Kocide, NAA, Nova, Streptomycin, Topsin-M, and Ziram. Control of SA was evaluated by counting aphids on the most infested leaf on each of 10 terminals from the periphery of each tree. Treatment effect against STLM was determined by counting mines observed on the periphery of trees during a 5 min period. Effect of treatments against RLH and WALH was determined by counting nymphs on 25 leaves selected from the tree periphery. ERM control was evaluated by sampling 25 leaves from the periphery of each tree, removing mites with a mitebrushing machine, and counting motile stages with a binocular microscope. Control of fruit-feeding insects was determined by scoring for injury 100 picked apples/replication plus up to 100 drop apples/replication on 22 Sep. Fruit picked (100/tree) from 3 replications of 'Golden Delicious' trees were rated for finish as 0 (no russet), 1 (enlarged and raised lenticels), 2 (1-10% russeted surface), 3 (11-25% russeted surface), 4 (26-50% russeted surface), or 5 (>50% russeted surface). NTN 33893, TD-2321 and Danitol provided very effective control of SA. The 10 WP formulation of Danitol was significantly better than the 2.4 EC formulation in SA control. Excellent control of STLM occurred with NTN 33893, Danitol, Fenoxycarb and the high rate of S-71639. All treatments provided excellent control of RLH and WALH, except for S-71639 and Fenoxycarb which had higher populations than in untreated plots. All treatments provided excellent control of all fruit-feeding insects, except for TD-2321, S-71639 and Fenoxycarb. TD-2321 was very effective against TABM and RBLR, but weak against CM and OFM. S-71639 and Fenoxycarb provided poor control of all fruit-feeding insects. This may have been due, at least in part, to the reduced spray program of only 4 applications (PF, 2C, 4C, 6C) with these materials, resulting in insufficient residue to provide adequate fruit protection throughout the prolonged egg-hatching period. There was no significant difference among treatments in fruit finish on 'Golden Delicious'. Rate/acre SA/most i nf leaf/term STLM/5 min Time of Treatment/form. Form. lb (AI) application 1 Jun 22 Jun 22 Jun 18 Aug Sun 6 E Oil 22.7 1 DD 33.6 a 74.1 bed 3.2 ab 11.0 be Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 1.2 e 44.8 de 0.3 d 3.3 cde NTN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 50.1 cd 4.7 ab 5.7 cd 2.9 de Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 13.5 abc 50.0 cd 2.0 be 2.0 de Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C 16.1 abc 27.5 e 3.7 ab 3.8 cde Orlhene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C 10.8 bed 108.2 ab 4.3 ab 25.0 a Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 9.4 cd 86.4 abc 5.8 a 8.2 be Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 142.7 a 2.3 ab 5.0 cde PF, 2C, 4C, 6C 19.3 abc Continued Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 6 Arthropod Management Tests, Vol. 19 A: POME FRUITS Rate/acre SA/most inf leaf/term STLM/5 min Time of Treatment/form. Form. lb (AI) application 22 Jun 22 Jun 18 Aug 1 Jun S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 10.7 bed 119.7 ab 0.7 cd 1.0 e Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 15.5 abc 131.5 a 3.0 ab 2.3 de Untreated 25.8 ab 118.8 ab 8.0 a 15.5 ab — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). RLH & RLH/25 WALH/ Rate/acre leaves 25 leaves ERM/leaf Time of Treatment/form. Form. lb (AI) application 6 Jul 18 Aug 13 Jul Sun 6 E Oil 22.7 1 DD 1.0 c 0.2 e 0.7 bed Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 0.0 c 0.0 e 2.0 ab NTN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 0.0 c 0.0 e 1.6 abc Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0.2 c 0.0 e 0.1 d Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C 0.0 c 0.3 de 0.3 cd Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C 0.0 c 0.2 e 1.6 abc Penncap-M 2 F 1420 ml 0.74 2C-8C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0.2 c 0.8 cde 2.4 a Penncap-M 2 F 0.74 1420 ml 2C-8C S-71639 0.83 EC 201 ml 0.04 PF, 2C, 4C, 6C 15.7 a 7.0 ab 0.6 bed S-71639 0.83 EC 301 ml 0.07 PF, 2C, 4C, 6C 22.0 a 0.4 bed 2.7 bed Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 25.0 a 7.0 a 0.4 bed Untreated 7.8 b 3.7 abc 0.2 cd — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). CM and OFM Stings % CM and OFM Entries Rate/acre Time of Pick Drop Total Pick Drop Total Treatment/form. Form. application sample lb (AI) sample sample sample sample sample Sun 6 E Oil 22.7 1 DD O d 0 c 0 b 0.8 de 15.5 cd 3.8 c Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 0 d 0 c 0 b 0 e 11.1 cd 2.7 cd TN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 0.5 cd 0 c 0.3 b 0.2 e 26.9 be 12.2 b Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0 d 0.5 be 0.1 b 0.2 e 18.3 cd 3.4 cd Continue Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 A: POME FRUITS Arthropod Management Tests, Vol. 19 7 % CM and OFM Stings % CM and OFM Entries Rate/acre Pick Time of Pick Drop Total Drop Total Treatment/form. Form. sample sampl lb (AI) application sample sample le sample sample e Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C O d 0 c 0 b O e 4.3 d 0.9 d Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g PP, PF, 1C 0 c b 0 e 11.2cd 1.6 cd 0.75 0.2 cd 0.1 Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0 d 0 c 0 b 0.2 e ; 4.2 d 1.1 cd Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 PF, 2C, 4C, 6C 3.0 ab 4.0 b 3.5 a 1.7 cd 44.7 b 23.2 ab S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 2.7 be 5.7 a 4.1 a 4.3 be 37.0 b 17.4 b Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 3.3 ab 1.8 be 2.8 a 5.0 b 27.6 be 11.7b Untreated 4.3 a 2.0 b 3.2 a 16.7 a 76.3 a 46.2 a — — Means in a given column followed by the same letter are not s significantly different (P = 0.05; DMRT). % TABM and RBLR Injury % > Clean Fruit Fruit Rate/acre Time of Pick Drop Total Pick Drop Total finish Treatment/form. Form. lb (AI) application sample sample sample sample sample sample rating Sun 6 E Oil 22.7 1 DD 3.5 b 4.8 be 4.2 b 95.7 a 79.8 ab 91.9 ab 2.62 a Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 1.0 bed 3.5 be 1.6 bed 1 99.0 a 84.4 ab 95.7 a 2.73 a TN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 4C, 5C 888 ml 0.70 TD-2321 40 W 1022 g 0.90 DD-8 C 2.8 be 1.6 c 2.0 be 96.5 a 71.6 bed 85.6 b 3.31 a Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0.5 bed 5.4 be 1.3 bed 1 99.3 a 75.8 abc 95.2 a 2.33 a Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g DD, 2C, 8C 0.7 c 0.7 cd 99.5 a 95.0 a 98.5 a 2.36 a 0.30 0.5 bed Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C O d 1.3 c 0.2 d 99.8 a 87.3 ab 98.0 a 2.78 a Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0.3 cd 3.2 be 0.7 cd 99.5 a 92.6 a 98.2 a 2.63 a Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 PF, 2C, 4C, 6C 11.7 a 9.3 ab 10.5 a 83.7 b 42.0 e 64.5 d 2.83 a S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 15.7 a 3.3 be 10.6 a 77.3 c 54.0 de 67.8 cd 2.42 a Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 11.7 a 12.5 a 11.9 a 80.3 be 58.8 cde 74.0 c 2.37 a Untreated 6.8 abc 12.7 a 62.7 d 18.8 f 41.0 e 2.29 a 18.5 a — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). APPLE: Malus domestica Borkhauser, 'Delicious' Henry W. Hogmire, Tim Winfield, Chris Grove, Kate Collins, (6A) European red mite; Panonychus ulmi (Koch) & Jill Jilek WVU Experiment Farm P.O. Box 609 Kearneysville, WV 25430 ACARICIDE EVALUATION, 1993: This experiment was conducted in a one third acre block of 8-yr-old 'Redchief trees on M26, which measured 13.5 ft. in height and 9 ft. in width and were planted 10 X 15 ft. apart. The experimental design consisted of 4 single-tree plots in a randomized block design, with each replicate surrounded by at least one unsprayed tree on each side. Acaricides were applied with an FMC Economist airblast sprayer at 2.2 mph applying 100 gpa. Dates of application were 24 Jun, 14 and 29 Jul. Other materials applied separately to all treatments during the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

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Oxford University Press
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© 1994, Entomological Society of America
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2155-9856
DOI
10.1093/amt/19.1.5
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Abstract

Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 A: POME FRUITS Arthropod Management Tests, Vol. 19 5 APPLE: Malus domestica Borkhauser, 'Rome Beauty', 'Golden Henry W. Hogmire, Tim Winfield, Chris Grove, Kate Collins (5A) Delicious' & Jill Jilek Spirea aphid (SA); Aphis spiraecola Patch WVU Experiment Farm Spotted tentiform leafminer (STLM); Phyllonorycter blancardella P.O. Box 609 (F.) Kearneysville, WV 25430 Rose leafhopper (RLH); Edwardsiana rosae (L.) White apple leafhopper (WALH); Typhlocyba pomaria McAtee European red mite (ERM); Panonychus ulmi (Koch) Codling moth (CM); Cydia pomonella (L.) Oriental fruit moth (OFM); Grapholita molesta (Busck) Tufted apple bud moth (TABM); Platynota idaeusalis (Walker) Redbanded leafroller (RBLR); Argyrotaenia velutinana (Walker) INSECTICIDE EVALUATION, 1993: This experiment was conducted in a 5.4 acre block of 39-yr-old trees, which measured 16.5 ft. in height antl 23 ft. in width and were planted 20 X 40 ft. apart. The experimental design for the first 7 treatments and the check consisted of 6 single-tree plots (3 'Rome Beauty', 3 'Golden Delicious') in a randomized block design. The experimental design for treatments of S-71639 and Fenoxycarb consisted of 3 replications of 9-tree plots (3 rows X 3 trees/row) in a randomized block design, with insect data taken from the center tree ('Rome Beauty') in each plot. Insecticides were applied with a Swanson DA500A airblast sprayer which traveled at 2.4 mph. A spray volume of 300 gpa was used in the delayed dormant application of oil in the first treatment, with all other treatments applied at 100 gpa. Dates of application were 14 Apr (delayed dormant |DD]), 24 Apr (prepink [PP]), 14 May (petal fall [PFJ), 27 May (first cover [1C]), 14 Jun (second cover [2C]), 29 Jun (third cover [3C]), 15 Jul (fourth cover [4CD, 30 Jul (fifth cover [5C]), 12 Aug (sixth cover [6C]), 26 Aug (seventh cover [7C]), and 8 Sep (eighth cover [8C]). Other materials applied separately to all treatments were Bayleton, Captan, Dodine, Kocide, NAA, Nova, Streptomycin, Topsin-M, and Ziram. Control of SA was evaluated by counting aphids on the most infested leaf on each of 10 terminals from the periphery of each tree. Treatment effect against STLM was determined by counting mines observed on the periphery of trees during a 5 min period. Effect of treatments against RLH and WALH was determined by counting nymphs on 25 leaves selected from the tree periphery. ERM control was evaluated by sampling 25 leaves from the periphery of each tree, removing mites with a mitebrushing machine, and counting motile stages with a binocular microscope. Control of fruit-feeding insects was determined by scoring for injury 100 picked apples/replication plus up to 100 drop apples/replication on 22 Sep. Fruit picked (100/tree) from 3 replications of 'Golden Delicious' trees were rated for finish as 0 (no russet), 1 (enlarged and raised lenticels), 2 (1-10% russeted surface), 3 (11-25% russeted surface), 4 (26-50% russeted surface), or 5 (>50% russeted surface). NTN 33893, TD-2321 and Danitol provided very effective control of SA. The 10 WP formulation of Danitol was significantly better than the 2.4 EC formulation in SA control. Excellent control of STLM occurred with NTN 33893, Danitol, Fenoxycarb and the high rate of S-71639. All treatments provided excellent control of RLH and WALH, except for S-71639 and Fenoxycarb which had higher populations than in untreated plots. All treatments provided excellent control of all fruit-feeding insects, except for TD-2321, S-71639 and Fenoxycarb. TD-2321 was very effective against TABM and RBLR, but weak against CM and OFM. S-71639 and Fenoxycarb provided poor control of all fruit-feeding insects. This may have been due, at least in part, to the reduced spray program of only 4 applications (PF, 2C, 4C, 6C) with these materials, resulting in insufficient residue to provide adequate fruit protection throughout the prolonged egg-hatching period. There was no significant difference among treatments in fruit finish on 'Golden Delicious'. Rate/acre SA/most i nf leaf/term STLM/5 min Time of Treatment/form. Form. lb (AI) application 1 Jun 22 Jun 22 Jun 18 Aug Sun 6 E Oil 22.7 1 DD 33.6 a 74.1 bed 3.2 ab 11.0 be Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 1.2 e 44.8 de 0.3 d 3.3 cde NTN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 50.1 cd 4.7 ab 5.7 cd 2.9 de Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 13.5 abc 50.0 cd 2.0 be 2.0 de Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C 16.1 abc 27.5 e 3.7 ab 3.8 cde Orlhene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C 10.8 bed 108.2 ab 4.3 ab 25.0 a Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 9.4 cd 86.4 abc 5.8 a 8.2 be Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 142.7 a 2.3 ab 5.0 cde PF, 2C, 4C, 6C 19.3 abc Continued Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 6 Arthropod Management Tests, Vol. 19 A: POME FRUITS Rate/acre SA/most inf leaf/term STLM/5 min Time of Treatment/form. Form. lb (AI) application 22 Jun 22 Jun 18 Aug 1 Jun S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 10.7 bed 119.7 ab 0.7 cd 1.0 e Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 15.5 abc 131.5 a 3.0 ab 2.3 de Untreated 25.8 ab 118.8 ab 8.0 a 15.5 ab — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). RLH & RLH/25 WALH/ Rate/acre leaves 25 leaves ERM/leaf Time of Treatment/form. Form. lb (AI) application 6 Jul 18 Aug 13 Jul Sun 6 E Oil 22.7 1 DD 1.0 c 0.2 e 0.7 bed Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 0.0 c 0.0 e 2.0 ab NTN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 0.0 c 0.0 e 1.6 abc Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0.2 c 0.0 e 0.1 d Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C 0.0 c 0.3 de 0.3 cd Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C 0.0 c 0.2 e 1.6 abc Penncap-M 2 F 1420 ml 0.74 2C-8C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0.2 c 0.8 cde 2.4 a Penncap-M 2 F 0.74 1420 ml 2C-8C S-71639 0.83 EC 201 ml 0.04 PF, 2C, 4C, 6C 15.7 a 7.0 ab 0.6 bed S-71639 0.83 EC 301 ml 0.07 PF, 2C, 4C, 6C 22.0 a 0.4 bed 2.7 bed Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 25.0 a 7.0 a 0.4 bed Untreated 7.8 b 3.7 abc 0.2 cd — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). CM and OFM Stings % CM and OFM Entries Rate/acre Time of Pick Drop Total Pick Drop Total Treatment/form. Form. application sample lb (AI) sample sample sample sample sample Sun 6 E Oil 22.7 1 DD O d 0 c 0 b 0.8 de 15.5 cd 3.8 c Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 0 d 0 c 0 b 0 e 11.1 cd 2.7 cd TN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 888 ml 0.70 4C, 5C TD-2321 40 W 1022 g 0.90 DD-8 C 0.5 cd 0 c 0.3 b 0.2 e 26.9 be 12.2 b Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0 d 0.5 be 0.1 b 0.2 e 18.3 cd 3.4 cd Continue Downloaded from https://academic.oup.com/amt/article-abstract/19/1/5/4639195 by DeepDyve user on 02 August 2020 A: POME FRUITS Arthropod Management Tests, Vol. 19 7 % CM and OFM Stings % CM and OFM Entries Rate/acre Pick Time of Pick Drop Total Drop Total Treatment/form. Form. sample sampl lb (AI) application sample sample le sample sample e Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g 0.30 DD, 2C, 8C O d 0 c 0 b O e 4.3 d 0.9 d Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g PP, PF, 1C 0 c b 0 e 11.2cd 1.6 cd 0.75 0.2 cd 0.1 Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0 d 0 c 0 b 0.2 e ; 4.2 d 1.1 cd Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 PF, 2C, 4C, 6C 3.0 ab 4.0 b 3.5 a 1.7 cd 44.7 b 23.2 ab S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 2.7 be 5.7 a 4.1 a 4.3 be 37.0 b 17.4 b Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 3.3 ab 1.8 be 2.8 a 5.0 b 27.6 be 11.7b Untreated 4.3 a 2.0 b 3.2 a 16.7 a 76.3 a 46.2 a — — Means in a given column followed by the same letter are not s significantly different (P = 0.05; DMRT). % TABM and RBLR Injury % > Clean Fruit Fruit Rate/acre Time of Pick Drop Total Pick Drop Total finish Treatment/form. Form. lb (AI) application sample sample sample sample sample sample rating Sun 6 E Oil 22.7 1 DD 3.5 b 4.8 be 4.2 b 95.7 a 79.8 ab 91.9 ab 2.62 a Endosulfan 50 W 1360 g 1.50 PP Imidan 70 W + 652 g 1.01 Lannate 1.8 L 474 ml 0.23 PF Imidan 70 W 973 g 1.50 1C, 4C, 5C Imidan 70 W + 487 g 0.75 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C NTN 33893 240 FS 189 ml 0.10 PP 1.0 bed 3.5 be 1.6 bed 1 99.0 a 84.4 ab 95.7 a 2.73 a TN 33893 240 FS + 189 ml 0.10 Guthion 3 F 888 ml 0.70 PF, 1C Guthion 3 F + 444 ml 0.35 Lannate 1.8 L 710 ml 0.34 2C, 3C, 6C-8C Guthion 3 F 4C, 5C 888 ml 0.70 TD-2321 40 W 1022 g 0.90 DD-8 C 2.8 be 1.6 c 2.0 be 96.5 a 71.6 bed 85.6 b 3.31 a Danitol 2.4 EC 474 ml 0.30 DD, 2C, 8C 0.5 bed 5.4 be 1.3 bed 1 99.3 a 75.8 abc 95.2 a 2.33 a Orthene 75 SP 454 g 0.75 PF, 1C Penncap-M 2 F 1420 ml 0.74 3C-7 C Danitol 10 WP 1360 g DD, 2C, 8C 0.7 c 0.7 cd 99.5 a 95.0 a 98.5 a 2.36 a 0.30 0.5 bed Orthene 75 SP 454 g PF, 1C 0.75 Penncap-M 2 F 1420 ml 0.74 3C-7 C Orthene 75 SP 454 g 0.75 PP, PF, 1C O d 1.3 c 0.2 d 99.8 a 87.3 ab 98.0 a 2.78 a Penncap-M 2 F 1420 ml 0.74 2C-8 C Orthene 75 SP 605 g 1.00 PP, PF, 1C 0.3 cd 3.2 be 0.7 cd 99.5 a 92.6 a 98.2 a 2.63 a Penncap-M 2 F 1420 ml 0.74 2C-8 C S-71639 .83 EC 201 ml 0.04 PF, 2C, 4C, 6C 11.7 a 9.3 ab 10.5 a 83.7 b 42.0 e 64.5 d 2.83 a S-71639 .83 EC 301 ml 0.07 PF, 2C, 4C, 6C 15.7 a 3.3 be 10.6 a 77.3 c 54.0 de 67.8 cd 2.42 a Fenoxycarb 25 WP 170 g 0.09 PF, 2C, 4C, 6C 11.7 a 12.5 a 11.9 a 80.3 be 58.8 cde 74.0 c 2.37 a Untreated 6.8 abc 12.7 a 62.7 d 18.8 f 41.0 e 2.29 a 18.5 a — — Means in a given column followed by the same letter are not significantly different (P = 0.05; DMRT). APPLE: Malus domestica Borkhauser, 'Delicious' Henry W. Hogmire, Tim Winfield, Chris Grove, Kate Collins, (6A) European red mite; Panonychus ulmi (Koch) & Jill Jilek WVU Experiment Farm P.O. Box 609 Kearneysville, WV 25430 ACARICIDE EVALUATION, 1993: This experiment was conducted in a one third acre block of 8-yr-old 'Redchief trees on M26, which measured 13.5 ft. in height and 9 ft. in width and were planted 10 X 15 ft. apart. The experimental design consisted of 4 single-tree plots in a randomized block design, with each replicate surrounded by at least one unsprayed tree on each side. Acaricides were applied with an FMC Economist airblast sprayer at 2.2 mph applying 100 gpa. Dates of application were 24 Jun, 14 and 29 Jul. Other materials applied separately to all treatments during the

Journal

Arthropod Management TestsOxford University Press

Published: Jan 1, 1994

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