Vol. 15—1961 - NorthEastern Weed Science Society

208.
Table 3. Comparisons Between Various Daathal-Trietazine Mixtures
and a DNBP-Dalapon Mixture.
Rank
Bushels Yield Weed control
Acre rate ~ofher-biolde per acre Broadleaf
3# DNBP+ 2.22# Dalapon, 416
4# DaathalWP + 4#"Trletazlne, ~~ 413
8# Dacthsl WP + 4# Trletazlne, PL 398
6# Dacthsl WP + 4# Trlat,azine, PL 396
8# Dacthal WP + 2# Trietazine, PL 393
6# Daathsl WP + 2# Trietazine, PL 356
8# Daathal WP PL 263
Check
164J
, L.S.D.5% 82
12' 109
1LPL = applied at planting; EM=applied
"-'Planted I' June,T60; . PL applied 2 June,
y
1 1
2 2
3 .5
4 4
'5 3
6 6
7 7
8 8
at emergence
'60; EM applied 14
June, '60.
£! Means included within brackets are,notslgnlficantly different
at the 5% level (Duncan's Multiple Ran~e Test).,
~~b~~, 4~Annual Broadleaf Weed Control Following Treatment with Rates
of Dacthal, ~d Daothal-Trietazine and DNBP-Dalapon
, '" ' Mixtur'es.
Means
con verted Means Rank
Acre rate of herbi'cide to angles %
6# Dacnha L WP + ?# Tri etazina, PL 80.6 97.4 1
8# Dactha1 WP + 3# DNBP EM 77.06 95.0 2
3# DNBP+ 2.22# Dalapon~ . EM 74.11 92.5 3
12# Dactha1 WP, PL 67.35 85.2
6# DactihaL ~TP I PL 54.14- 65.7 ~
8# Daathal WP, EM 52.79 . 63.4 6
8# Dacthal W~ I,', PL ,51.66 ' 61.5 7
4# :Decthal WI>I PL 38~6S- 39.0 8
17
,
L'.S.D. 5%, . 15.53
"
1% 20.74
:'y EM ==applied' at 'emergence;- PL = applied at planting.
gj Means included within brackets are not significantly different at
the 5% level (Duncan's Multiple Range Test). There were 56.5
broadleaf weeds per square foot in check plots.
y