NFREC, Quincy and AREC, Live Oak, Florida


Table 4. Mean Percent Hornworm Damaged Flue-Cured Tobacco Plants per Plot (K-326) -


1988.


 % Hornworm Damaged Plantsb Mean
 a Lbs. AI/Acre/
Treatmenta 4/25c 5/11 5/25 6/8 6/22 7/6 Application


Lannate, 0.29%S (1.8 lbs./gal. L) 0.0 0.0 5a 26d 32d 26c 0.701
Lannate, 0.58%S (1.8 lbs./gal. L) 0.0 0.0 3a 21bcd 24cd 14b 1.362
Orthene, 0.5%S (75% SP) 0.0 0.0 3a 24cd 23bcd 16b 1.163
Orthene, 1.0%S (75% SP) 0.0 0.0 la llabc 6ab .3a 2.259
Capture, 0.027%S (2.0 lbs./gal. EC) 0.0 0.0 Oa 2a 3a la 0.062
Capture, 0.051%S (2.0 lbs./gal. EC) 0.0 0.0 Oa la 2a la 0.113
F-7869, 0.0236%S (0.42 lb./gal. EC) 0.0 0.0 2a 9ab 12abc 10ab 0.045
F-7869, 0.0472%S (0.42 lb./gal. EC) 0.0 0.0 3a 7a 17abcd 12ab 0.093
F-7869, 0.0708%S (0.42 lb./gal. EC) 0.0 0.0 la 10abc 8abc 5ab 0.146
Check (Untreated) 0.0 0.0 12b 55e 49e 53d


LSD 5% -- 5 13 15 10
LSD 1% -- 7 18 21 13


aSee Table 1 for more details. Sprays were applied on 4/27, 5/11, 5/25, 6/8, 6/22,
Counts were made on 47 to 51 plants per plot, totaling 148 to 151 on three plots.
same letter are not significantly different at the 5% level.
CPretreatment count. Tobacco was transplanted on 3/21/88. Plants were hand topp
control was applied: Royal Tac on 6/2 and MH-30 on 6/10/88. Plants were hand sucki
was harvested on 6/7, 6/21, 7/5, and 7/25/88.


and 7/6/88.
 Means followed by the

ed on 5/31/88. Sucker
ered on 6/9/88. Tobacco