Oakes Irrigation Research Site |
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Carrington
Research Extension Center * North Dakota State University |
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P.O. Box 531,
Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail: |
Blaine.Schatz@ndsu.edu |
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Leonard.Besemann@ndsu.edu |
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Fine Tuning Microrates for Early Season
Broadleaf Weed Control in Onion |
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H. Hatterman-Valenti and C. Auwarter |
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Weed control in onion is essential to
produce marketable bulbs and is compounded by the crop’s notoriously
competitive nature, especially during establishment when onion can take
anywhere from 4-10 weeks to reach the 2-leaf stage. Broadleaf weeds such as common
lambsquarters and redroot pigweed gain a competitive advantage over the
establishing onion crop if weed control methods are not implemented. PRE and POST herbicide options prior to the
2-leaf stage are few, and often ineffective.
This study was conducted at the Oakes Irrigation Research Facility
near Oakes, North Dakota
to compare early-season weed control of bromoxynil (Buctril and Broclean) and
oxyfluorfen (GoalTender) applied at micro rates to a standard
pre-emergence treatment of DCPA (Dacthal) and ethofumesate (Nortron) in
onion. ‘Sedona’ and ‘Crocket’ onion
were planted May 15 with 18” centers and a planting population of 175,000
seeds/ac. PRE treatments included 1
and 2 lb/ac
ethofumesate and 13.33 lb/ac DCPA and were applied 9 days after planting
(DAP). Micro rate applications began
between the flag-leaf and one-leaf stage, 23 DAP. Bromoxynil and oxyfluorfen were applied at
the 0.25 and 0.13 times the lowest labeled rate along with 0.031 lb/ac
clethodim (Select) and applied in four or five sequential applications when
weeds and onion were in seedling growth stages. Petroleum oil-surfactant (Herbimax) (1
pt/ac) was tank mixed with the micro rate application. The pre-emergence treatments received
Buctril at 1 pt and Goal at 2 pt/ac during the 5-leaf stage. |
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Table 1.
Treatment application information. |
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Date: |
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5/24/2013 |
6/7/2013 |
6/14/2013 |
6/22/2013 |
7/1/2013 |
7/8/2013 |
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Time: |
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A |
B |
C |
D |
E |
F |
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Sprayer: |
GPA: |
20 |
20 |
20 |
20 |
20 |
20 |
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PSI: |
40 |
40 |
40 |
40 |
40 |
40 |
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Nozzle: |
11002 |
11002 |
11002 |
11002 |
8002 |
8002 |
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Air
Temperature (F): |
62 |
62 |
77 |
77 |
82 |
80 |
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Relative
Humidity (%): |
44 |
75 |
8156 |
71 |
34 |
54 |
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Soil
Moisture: |
Adequate |
Adequate |
Adequate |
Excessive |
Adequate |
Adequate |
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Wind (MPH): |
14 |
10 |
11 |
8 |
4 |
5 |
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Cloud Cover
(%): |
50 |
5 |
65 |
25 |
20 |
90 |
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Onion
Stage: |
Seed Cracking |
1-leaf |
2-leaf |
3-leaf |
4-leaf |
5-leaf |
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Table 2. Treatment details. |
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Trt |
Trt |
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Rate |
App |
Trt |
Trt |
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Rate |
App |
Trt |
Trt |
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Rate |
App |
Trt |
Trt |
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Rate |
App |
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No |
Name |
Rate |
Unit/ac |
Code |
No |
Name |
Rate |
Unit/ac |
Code |
No |
Name |
Rate |
Unit/ac |
Code |
No |
Name |
Rate |
Unit/ac |
Code |
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1 |
Buctril |
4 |
floz |
B |
4 |
Buctril |
4 |
Floz |
B |
9 |
Buctril |
2 |
Floz |
B |
13 |
Broclean |
2 |
Floz |
B |
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Select Max |
4 |
floz |
B |
Select Max |
4 |
Floz |
B |
Select Max |
4 |
Floz |
B |
Select Max |
4 |
Floz |
B |
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Herbimax |
1 |
pt |
B |
Herbimax |
1 |
Pt |
B |
Herbimax |
1 |
Pt |
B |
Herbimax |
1 |
Pt |
B |
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Buctril |
4 |
floz |
C |
Buctril |
4 |
Floz |
C |
Buctril |
2 |
Floz |
C |
Broclean |
2 |
Floz |
C |
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Select Max |
4 |
floz |
C |
Select Max |
4 |
Floz |
C |
Select Max |
4 |
Floz |
C |
Select Max |
4 |
Floz |
C |
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Herbimax |
1 |
pt |
C |
Herbimax |
1 |
Pt |
C |
Herbimax |
1 |
Pt |
C |
Herbimax |
1 |
Pt |
C |
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Buctril |
2 |
floz |
D |
Buctril |
4 |
Floz |
D |
Buctril |
2 |
Floz |
D |
Broclean |
4 |
Floz |
D |
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Goal Tender |
2 |
floz |
D |
Select Max |
4 |
Floz |
D |
Goal Tender |
2 |
Floz |
D |
Select Max |
4 |
Floz |
D |
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Select Max |
4 |
floz |
D |
Herbimax |
1 |
Pt |
D |
Select Max |
4 |
Floz |
D |
Herbimax |
1 |
Pt |
D |
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Herbimax |
1 |
pt |
D |
Buctril |
4 |
Floz |
E |
Herbimax |
1 |
Pt |
D |
Broclean |
2 |
Floz |
E |
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Buctril |
2 |
floz |
E |
Select Max |
4 |
Floz |
E |
Buctril |
2 |
Floz |
E |
Goal Tender |
2 |
Floz |
E |
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Goal Tender |
2 |
floz |
E |
Herbimax |
1 |
Pt |
E |
Goal Tender |
2 |
Floz |
E |
Select Max |
4 |
Floz |
E |
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Select Max |
4 |
Floz |
E |
Buctril |
4 |
Floz |
F |
Select Max |
4 |
Floz |
E |
Herbimax |
1 |
Pt |
E |
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Herbimax |
1 |
Pt |
E |
Select Max |
4 |
Floz |
F |
Herbimax |
1 |
Pt |
E |
Broclean |
2 |
Floz |
F |
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2 |
Buctril |
2 |
Floz |
B |
Herbimax |
1 |
Floz |
F |
10 |
Buctril |
4 |
Floz |
B |
Goal Tender |
2 |
Floz |
F |
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Select Max |
4 |
Floz |
B |
5 |
Goal Tender |
2 |
Floz |
B |
Select Max |
4 |
Floz |
B |
Select Max |
4 |
Floz |
F |
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Herbimax |
1 |
Pt |
B |
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Select Max |
4 |
Floz |
B |
Herbimax |
1 |
Pt |
B |
Herbimax |
1 |
Pt |
F |
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Buctril |
2 |
Floz |
C |
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Herbimax |
1 |
Pt |
B |
Buctril |
4 |
Floz |
C |
14 |
Broclean |
4 |
Floz |
B |
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Select Max |
4 |
Floz |
C |
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Goal Tender |
2 |
Floz |
C |
Select Max |
4 |
Floz |
C |
Select Max |
4 |
Floz |
B |
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Herbimax |
1 |
Pt |
C |
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Select Max |
4 |
Floz |
C |
Herbimax |
1 |
Pt |
C |
Herbimax |
1 |
Pt |
B |
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Buctril |
2 |
Floz |
D |
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Herbimax |
1 |
Pt |
C |
Buctril |
4 |
Floz |
D |
Broclean |
4 |
Floz |
C |
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Select Max |
4 |
Floz |
D |
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Goal Tender |
2 |
Floz |
D |
Goal Tender |
2 |
Floz |
D |
Select Max |
4 |
Floz |
C |
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Herbimax |
1 |
Pt |
D |
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Select Max |
4 |
Floz |
D |
Select Max |
4 |
Floz |
D |
Herbimax |
1 |
Pt |
C |
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Buctril |
2 |
Floz |
E |
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Herbimax |
1 |
Pt |
D |
Herbimax |
1 |
Pt |
D |
Broclean |
4 |
Floz |
D |
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Goal Tender |
2 |
Floz |
E |
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Goal Tender |
2 |
Floz |
E |
Buctril |
4 |
Floz |
E |
Select Max |
4 |
Floz |
D |
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Select Max |
4 |
Floz |
E |
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Select Max |
4 |
Floz |
E |
Goal Tender |
2 |
Floz |
E |
Herbimax |
1 |
Pt |
D |
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Herbimax |
1 |
Pt |
E |
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Herbimax |
1 |
Pt |
E |
Select Max |
4 |
Floz |
E |
Broclean |
4 |
Floz |
E |
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Buctril |
2 |
Floz |
F |
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Goal Tender |
2 |
Floz |
F |
Herbimax |
1 |
Pt |
E |
Select Max |
4 |
Floz |
E |
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Goal Tender |
2 |
Floz |
F |
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Select Max |
4 |
Floz |
F |
11 |
Buctril |
4 |
Floz |
B |
Herbimax |
1 |
Pt |
E |
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Select Max |
4 |
Floz |
F |
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Herbimax |
1 |
Pt |
F |
Select Max |
4 |
Floz |
B |
Broclean |
4 |
Floz |
F |
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Herbimax |
1 |
Pt |
F |
6 |
Dacthal |
10 |
Lb |
A |
Herbimax |
1 |
Pt |
B |
Select Max |
4 |
Floz |
F |
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3 |
Goal Tender |
1 |
Floz |
B |
Buctril |
1 |
Pt |
F |
Buctril |
4 |
Floz |
C |
Herbimax |
1 |
Pt |
F |
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Buctril |
2 |
Floz |
B |
Goal |
2 |
Pt |
F |
Select Max |
4 |
Floz |
C |
15 |
Nortron |
2 |
Pt |
A |
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Select Max |
4 |
Floz |
B |
Select Max |
12 |
Floz |
F |
Herbimax |
1 |
Pt |
C |
Broclean |
1 |
Pt |
F |
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Herbimax |
1 |
Pt |
B |
Herbimax |
1 |
Pt |
F |
Buctril |
4 |
Floz |
D |
Goal |
2 |
Pt |
F |
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Goal Tender |
1 |
Floz |
C |
7 |
Nortron |
2 |
Pt |
A |
Select Max |
4 |
Floz |
D |
Select Max |
12 |
Floz |
F |
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Buctril |
2 |
Floz |
C |
Buctril |
1 |
Pt |
F |
Herbimax |
1 |
Pt |
D |
Herbimax |
1 |
Pt |
F |
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Select Max |
4 |
Floz |
C |
Goal |
2 |
Pt |
F |
Buctril |
4 |
Floz |
E |
16 |
Broclean |
4 |
Floz |
B |
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Herbimax |
1 |
Pt |
C |
Select Max |
12 |
Floz |
F |
Goal Tender |
2 |
Floz |
E |
Select Max |
4 |
Floz |
B |
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Goal Tender |
1 |
Floz |
D |
Herbimax |
1 |
Pt |
F |
Select Max |
4 |
Floz |
E |
Herbimax |
1 |
Pt |
B |
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Buctril |
2 |
Floz |
D |
8 |
Nortron |
4 |
Pt |
A |
Herbimax |
1 |
Pt |
E |
Broclean |
4 |
Floz |
C |
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Select Max |
4 |
Floz |
D |
Buctril |
1 |
Pt |
F |
Buctril |
4 |
Floz |
F |
Select Max |
4 |
Floz |
C |
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Herbimax |
1 |
Pt |
D |
Goal |
2 |
Pt |
F |
Goal Tender |
2 |
Floz |
F |
Herbimax |
1 |
Pt |
C |
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Goal Tender |
1 |
Floz |
E |
Select Max |
12 |
Floz |
F |
Select Max |
4 |
Floz |
F |
Broclean |
4 |
Floz |
D |
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Buctril |
2 |
Floz |
E |
Herbimax |
1 |
Pt |
F |
Herbimax |
1 |
Pt |
F |
Goal Tender |
2 |
Floz |
D |
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Select Max |
4 |
Floz |
E |
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12 |
Untreated |
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Select Max |
4 |
Floz |
D |
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Herbimax |
1 |
Pt |
E |
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Herbimax |
1 |
Pt |
D |
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Goal Tender |
1 |
Floz |
F |
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Broclean |
4 |
Floz |
E |
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Buctril |
2 |
Floz |
F |
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Goal Tender |
2 |
Floz |
E |
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Select Max |
4 |
Floz |
F |
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Select Max |
4 |
Floz |
E |
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Herbimax |
1 |
Pt |
F |
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Herbimax |
1 |
Pt |
E |
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Table 3. Weed
and injury ratings. |
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Trt |
% CONTROL |
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No |
CHEAL1 |
AMARE2 |
Injury |
CHEAL |
AMARE |
Injury |
CHEAL |
AMARE |
Injury |
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---------6/25/2013--------- |
--------7/16/2013-------- |
--------8/16/2013-------- |
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1 |
100 a3 |
100 a |
10
a |
98 ab |
98 a |
0 a |
68 b |
78 b |
0 a |
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2 |
95 a |
89 bcd |
8 abc |
98 ab |
93 a |
0 a |
83 ab |
85 ab |
0 a |
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3 |
99 a |
99 ab |
10 a |
99 ab |
98 a |
0 a |
79 ab |
93 ab |
0 a |
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4 |
100 a |
99 ab |
6 a-d |
100 a |
99 a |
0 a |
84 ab |
94 ab |
0 a |
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5 |
100 a |
99 ab |
6 a-d |
91 b |
100 a |
0 a |
70 ab |
94 ab |
0 a |
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6 |
98 a |
78 d |
4 b-e |
100 a |
84 b |
0 a |
99 a |
86 ab |
0 a |
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7 |
59 c |
96 abc |
4 b-e |
96 ab |
95 a |
0 a |
86 ab |
91 ab |
0 a |
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8 |
80 b |
94 abc |
3 cde |
96 ab |
98 a |
0 a |
83 ab |
96 a |
0 a |
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9 |
94 a |
100 a |
6 a-d |
93 ab |
95 a |
0 a |
69 ab |
86 ab |
0 a |
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10 |
99 a |
99 ab |
9 ab |
99 ab |
99 a |
0 a |
75 ab |
85 ab |
0 a |
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11 |
100 a |
99 ab |
8 abc |
100 a |
99 a |
0 a |
95 ab |
96 a |
0 a |
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12 |
0 e |
0 e |
0 e |
0 c |
0 c |
0 a |
0 c |
0 c |
0 a |
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13 |
100 a |
97 abc |
10 a |
100 a |
95 a |
0 a |
96 ab |
94 ab |
0 a |
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14 |
100 a |
99 ab |
8 abc |
99 ab |
99 a |
0 a |
95 ab |
95 a |
0 a |
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15 |
53 d |
86 cd |
2 de |
94 ab |
95 a |
0 a |
93 ab |
96 a |
0 a |
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16 |
100 a |
100 a |
6 a-d |
99 ab |
99 a |
0 a |
76 ab |
90 ab |
0 a |
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LSD (P = 0.05) |
4.53 |
9.87 |
3.23 |
4.84 |
4.96 |
0 |
17.17 |
10.17 |
0 |
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1 CHEAL = Common
lambsquarters. |
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2 AMARE = Redroot
pigweed. |
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3 Data followed by
different letters are significantly different at P < 0.05. |
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Table 4.
Crocket onion yield results. |
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Trt |
1 Double Row X 6' |
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No |
----<1"---- |
--1" to 2.25"-- |
--2.25" to 3"-- |
--3" to 4" -- |
----- >4" ----- |
-----Total----- |
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# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
CWT/ac |
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1 |
2 a1 |
0 a |
14 a |
1.6 a |
9 a |
2.8 a |
1.5 a |
0.9 ab |
0.0 a |
0.0 a |
25.8 a |
5.28 a-e |
511 a-e |
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2 |
1 a |
0 a |
5 bc |
0.7 abc |
9 a |
2.9 a |
5.8 a |
4.1 ab |
0.0 a |
0.0 a |
20.5 ab |
7.7 a-d |
748 a-d |
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3 |
0 a |
0 a |
7 abc |
1 ab |
9 a |
2.9 a |
1.5 a |
0.8 ab |
0.0 a |
0.0 a |
17.5 ab |
4.7 a-e |
453 a-e |
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4 |
2 a |
0 a |
10ab |
1 ab |
2 bc |
0.4 b |
0.3 a |
0.1 b |
0.0 a |
0.0 a |
13.3 b |
1.6 de |
152 de |
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5 |
0 a |
0 a |
6 bc |
0.8 abc |
9 a |
3.2 a |
4.8 a |
3.1 ab |
1.3 a |
1.5 a |
20.8 ab |
8.5 abc |
823 abc |
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6 |
1 a |
0 a |
4 bc |
0.7 abc |
8 ab |
3.1 a |
8.8 a |
6.5 a |
0.8 a |
0.9 a |
22.0 ab |
11.1 a |
1075 a |
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7 |
1 a |
0 a |
5 bc |
0.6 abc |
6 abc |
2.0 ab |
6.0 a |
3.9 ab |
0.5 a |
0.6 a |
17.3 ab |
7.1 a-d |
685 a-d |
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8 |
1 a |
0 a |
5 bc |
0.8 abc |
8 ab |
2.6 a |
8.0 a |
5.5 ab |
0.5 a |
0.7 a |
21.5 ab |
9.6 ab |
924 ab |
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9 |
1 a |
0 a |
8 ab |
1.1 ab |
8 ab |
2.4 a |
1.8 a |
1.0 ab |
0.0 a |
0.0 a |
18.8 ab |
4.5 a-e |
436 a-e |
|
|
10 |
3 a |
0 a |
6 bc |
0.6 abc |
6 ab |
1.9 ab |
3.3 a |
2.1 ab |
0.0 a |
0.0 a |
18.5 ab |
4.7 a-e |
453 a-e |
|
|
11 |
1 a |
0 a |
11ab |
1.3 ab |
5 abc |
1.8 ab |
4.0 a |
2.7 ab |
0.0 a |
0.0 a |
20.3 ab |
5.8 a-e |
561 a-e |
|
|
12 |
0 a |
0 a |
0 c |
0 c |
0 c |
0 b |
0.0 a |
0.0 b |
0.0 a |
0.0 a |
0.0 c |
0.0 e |
0.0 e |
|
|
13 |
1 a |
0 a |
4 bc |
0.6 bc |
8 ab |
2.8 a |
7.3 a |
4.5 ab |
0.8 a |
0.8 a |
20.8 ab |
8.6 abc |
835 abc |
|
|
14 |
3 a |
0 a |
10ab |
1.1 ab |
2 bc |
0.5 b |
0.5 a |
0.4 b |
0.0 a |
0.0 a |
14.5 b |
2.0 cde |
194 cde |
|
|
15 |
1 a |
0 a |
7 abc |
1 ab |
8 ab |
2.9 a |
6.8 a |
4.3 ab |
0.0 a |
0.0 a |
22.8 ab |
8.2 abc |
796 abc |
|
|
16 |
2 a |
0 a |
6 bc |
0.6 abc |
5 abc |
1.6 ab |
2.0 a |
1.0 ab |
0.0 a |
0.0 a |
14.8 b |
3.2 b-e |
312 b-e |
|
|
|
|
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|
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|
|
|
|
|
|
|
LSD (P = 0.05) |
2.5 |
0 |
4.7 |
0.6 |
4 |
1.3 |
4.9 |
3.3 |
1.2 |
1.4 |
6 |
3.9 |
380 |
|
|
|
1 Data followed by
different letters are significantly different at P < 0.05. |
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Table 5.
Sedona onion yield results. |
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Trt |
1 Double Row X 6' |
|
|
|
No |
----<1"---- |
|
--1" to 2.25"-- |
|
--2.25" to 3"-- |
|
--3" to 4" -- |
|
----- >4" ----- |
|
-----Total----- |
|
|
|
|
# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
# |
lbs |
CWT/ac |
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
1 a1 |
0 a |
0 a |
1.5 a |
9 ab |
2.8 ab |
1.3 b |
0.7 b |
0.0 a |
0.0 a |
22.8 a |
5.0 bcd |
486 bcd |
|
|
2 |
1 a |
0 a |
7 ab |
0.7 ab |
8 ab |
2.7 ab |
4.0 ab |
2.8 ab |
0.3 a |
0.4 a |
20.0 ab |
6.5 abc |
629 abc |
|
|
3 |
1 a |
0 a |
5 ab |
0.7 ab |
13 a |
4.4 a |
5.5 ab |
3.5 ab |
0.0 a |
0.0 a |
23.5 a |
8.5 ab |
818 ab |
|
|
4 |
1 a |
0 a |
8 ab |
0.9 ab |
2 bc |
0.7 bc |
0.3 b |
0.1 b |
0.0 a |
0.0 a |
11.0 b |
1.7 cd |
165 cd |
|
|
5 |
0 a |
0 a |
6 ab |
0.9 ab |
11 a |
3.7 a |
5.3 ab |
3.8 ab |
0.3 a |
0.4 a |
22.0 a |
8.7 ab |
842 ab |
|
|
6 |
0 a |
0 a |
5 ab |
0.7 ab |
7 ab |
2.5 abc |
11.3 a |
7.8 a |
0.8 a |
0.9 a |
24.0 a |
11.9 a |
1150 a |
|
|
7 |
1 a |
0 a |
5 ab |
0.8 ab |
7 ab |
2.0 abc |
3.5 ab |
2.2 ab |
0.0 a |
0.0 a |
16.0 ab |
5.0 bcd |
484 bcd |
|
|
8 |
0 a |
0 a |
3 ab |
0.5 ab |
6 abc |
2.0 abc |
8.5 ab |
5.9 ab |
1.0 a |
1.0 a |
18.5 ab |
9.4 ab |
908 ab |
|
|
9 |
1 a |
0 a |
8 ab |
1.2 ab |
9 ab |
2.9 ab |
1.8 b |
1.0 b |
0.0 a |
0.0 a |
19.8 ab |
5.0 bcd |
484 bcd |
|
|
10 |
2 a |
0 a |
9 ab |
1.1 ab |
7 ab |
2.0 abc |
2.3 b |
1.2 b |
0.3 a |
0.3 a |
19.8 ab |
4.6 bcd |
448 bcd |
|
|
11 |
2 a |
0 a |
7 ab |
1.0 ab |
8 ab |
2.7 ab |
5.3 ab |
3.4 ab |
0.0 a |
0.0 a |
21.8 ab |
7.2 abc |
692 abc |
|
|
12 |
0 a |
0 a |
0 b |
0.0 b |
0 ab |
0.0 c |
0.0 b |
0.0 b |
0.0 a |
0.0 a |
0.0 c |
0.0 d |
0 d |
|
|
13 |
1 a |
0 a |
5 ab |
0.7 ab |
10 ab |
3.1 ab |
7.0 ab |
4.4 ab |
0.3 a |
0.4 a |
22.5 a |
8.6 ab |
833 ab |
|
|
14 |
2 a |
0 a |
9 ab |
0.9 ab |
6 abc |
1.8 abc |
0.3 b |
0.1 b |
0.0 a |
0.0 a |
17.0 ab |
2.9 bcd |
276 bcd |
|
|
15 |
0 a |
0 a |
5 ab |
0.7 ab |
7 ab |
2.3 abc |
8.0 ab |
5.3 ab |
0.0 a |
0.0 a |
19.8 ab |
8.3 ab |
801 ab |
|
|
16 |
1 a |
0 a |
7 ab |
0.9 ab |
6 abc |
1.7 abc |
3.8 ab |
2.2 ab |
0.0 a |
0.0 a |
17.8 ab |
4.8 bcd |
467 bcd |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
LSD (P = 0.05) |
1.3 |
0 |
5.3 |
0.7 |
4.4 |
1.6 |
4.9 |
3.4 |
0.8 |
0.9 |
6.5 |
3.8 |
371 |
|
|
|
1 Data followed by
different letters are significantly different at P < 0.05. |
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|
Table 6.
Crocket plus Sedona yield results. |
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Trt |
|
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|
|
|
|
No |
<1" |
1" to 2.25" |
2.25" to 3" |
3" to 4" |
>4" |
Total |
|
|
|
---------------------------------CWT/ac--------------------------------- |
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|
1 |
1.2 a1 |
152 a |
271 abc |
74 bc |
0.0 a |
499 bcd |
|
|
2 |
2.4 a |
69 bc |
270 abc |
330 abc |
17 a |
689 abc |
|
|
3 |
0.0 a |
80 ab |
350 a |
206 bc |
0.0 a |
635 abc |
|
|
4 |
0.0 a |
93 ab |
53 de |
12 c |
0.0 a |
159 cd |
|
|
5 |
0.0 a |
80 ab |
333 ab |
330 abc |
90 a |
833 ab |
|
|
6 |
0.0 a |
67 bc |
271 abc |
687 a |
87 a |
1112 a |
|
|
7 |
1.2 a |
65 bc |
191 a-d |
298 abc |
29 a |
584 abc |
|
|
8 |
0.0 a |
62 bc |
226 abc |
547 ab |
81 a |
916 ab |
|
|
9 |
0.0 a |
110 ab |
254 abc |
95 bc |
0.0 a |
460 bcd |
|
|
10 |
3.6 a |
85 ab |
190 a-d |
160 bc |
0.0 a |
450 bcd |
|
|
11 |
3.6 a |
111 ab |
217 abc |
295 abc |
0.0 a |
627 abc |
|
|
12 |
0.0 a |
0.0 c |
0.0 e |
0.0 c |
0.0 a |
0.0 d |
|
|
13 |
1.2 a |
59 bc |
288 abc |
426 abc |
59 a |
834 ab |
|
|
14 |
4.8 a |
94 ab |
110 cde |
25 c |
0.0 a |
235 cd |
|
|
15 |
0.0 a |
85 ab |
250 abc |
463 abc |
0.0 a |
799 ab |
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16 |
1.2 a |
73 abc |
159 bcd |
157 bc |
0.0 a |
390 bcd |
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|
LSD (P = 0.05) |
3.9 |
49 |
107 |
278 |
98 |
335 |
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|
1 Data followed by
different letters are significantly different at P < 0.05. |
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Oakes Irrigation Research Site |
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Variety
trials |
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Crop index |
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Home page |
|
Report 2013 |
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