NFREC, Quincy and AREC, Live Oak, Florida


Table 2. Mean Number of Green Peach Aphids per Plot of Flue-Cured Tobacco (K-326) 1988.

 Aphid Countsb Mean
 Lbs. AI/Acre/
Treatment 4/25c 5/11 5/25 .6/8 6/22 7/6d Application

Lannate, 0.29%S (1.8 Ibs./gal. L) 89a 94a 290a 881a 579a 83abc 0.701
Lannate, 0.58%S (1.8 lbs./gal. L) 201a 23a 35a 707a 203a 26ab 1.362
Orthene, 0.5%S (75% SP) 57a la 2a 4a 3a 20ab 1.163
Orthene, 1.0%S (75% SP) 107a la la 54a 38a Oa 2.259
Capture, 0.027%S (2.0 lbs./gal. EC) 193a 3a 3a la la Oa 0.062
Capture, 0.051%S (2.0 lbs./gal. EC) 181a la la Oa Oa Oa 0.113
F-7869, 0.0236%S (0.42 lb./gal. EC) 50a 229a 2,478b 3,715b 4,475bc 167d 0.045
F-7869, 0.0472%S (0.42 lb./gal. EC) 74a 453a 2,808b 4,648b 4,617bc 98bcd 0.093
F-7869, 0.0708%S (0.42 lb./gal. EC) 63a 238a 2,323b 3,891b 2,512ab 76abc 0.146
Check (Untreated) 221a 2,254b 5,639c 13,406c 6,893c 147cd


LSD 5% NS 935 1,089 1,461 2,586 78
LSD 1% NS 1,283 1,493 2,003 3,546 107


bSee Table 1 for more details. Sprays were applied on 4/27, 5/11, 5/25, 6/8, 6/22, and 7/6/88.
Counts were made on 10 plants per plot, totaling 30 plants in three plots. Means followed by the same
letter are not significantly different at the 5% level.
cPretreatment count. Tobacco was transplanted on 3/21/88. Plants were hand topped on 5/31/88. Sucker
control was applied: Royal Tac on 6/2 and MH-30 on 6/10/88. Plants were hand suckered on 6/9/88. Tobacco
dwas harvested on 6/7, 6/21, 7/5, and 7/25/88.
Aphids were on sucker growth.